diff options
111 files changed, 755 insertions, 833 deletions
diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block index 2b5d56127fc..c1eb41cb987 100644 --- a/Documentation/ABI/testing/sysfs-block +++ b/Documentation/ABI/testing/sysfs-block @@ -206,16 +206,3 @@ Description: when a discarded area is read the discard_zeroes_data parameter will be set to one. Otherwise it will be 0 and the result of reading a discarded area is undefined. -What: /sys/block/<disk>/alias -Date: Aug 2011 -Contact: Nao Nishijima <nao.nishijima.xt@hitachi.com> -Description: - A raw device name of a disk does not always point a same disk - each boot-up time. Therefore, users have to use persistent - device names, which udev creates when the kernel finds a disk, - instead of raw device name. However, kernel doesn't show those - persistent names on its messages (e.g. dmesg). - This file can store an alias of the disk and it would be - appeared in kernel messages if it is set. A disk can have an - alias which length is up to 255bytes. Users can use alphabets, - numbers, "-" and "_" in alias name. This file is writeonce. diff --git a/Documentation/blockdev/cciss.txt b/Documentation/blockdev/cciss.txt index 71464e09ec1..b79d0a13e7c 100644 --- a/Documentation/blockdev/cciss.txt +++ b/Documentation/blockdev/cciss.txt @@ -98,14 +98,12 @@ You must enable "SCSI tape drive support for Smart Array 5xxx" and "SCSI support" in your kernel configuration to be able to use SCSI tape drives with your Smart Array 5xxx controller. -Additionally, note that the driver will not engage the SCSI core at init -time. The driver must be directed to dynamically engage the SCSI core via -the /proc filesystem entry which the "block" side of the driver creates as -/proc/driver/cciss/cciss* at runtime. This is because at driver init time, -the SCSI core may not yet be initialized (because the driver is a block -driver) and attempting to register it with the SCSI core in such a case -would cause a hang. This is best done via an initialization script -(typically in /etc/init.d, but could vary depending on distribution). +Additionally, note that the driver will engage the SCSI core at init +time if any tape drives or medium changers are detected. The driver may +also be directed to dynamically engage the SCSI core via the /proc filesystem +entry which the "block" side of the driver creates as +/proc/driver/cciss/cciss* at runtime. This is best done via a script. + For example: for x in /proc/driver/cciss/cciss[0-9]* diff --git a/Documentation/sound/alsa/HD-Audio.txt b/Documentation/sound/alsa/HD-Audio.txt index 03e2771ddee..91fee3b45fb 100644 --- a/Documentation/sound/alsa/HD-Audio.txt +++ b/Documentation/sound/alsa/HD-Audio.txt @@ -579,7 +579,7 @@ Development Tree ~~~~~~~~~~~~~~~~ The latest development codes for HD-audio are found on sound git tree: -- git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git +- git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git The master branch or for-next branches can be used as the main development branches in general while the HD-audio specific patches @@ -594,7 +594,7 @@ is, installed via the usual spells: configure, make and make install(-modules). See INSTALL in the package. The snapshot tarballs are found at: -- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/ +- ftp://ftp.suse.com/pub/people/tiwai/snapshot/ Sending a Bug Report @@ -696,7 +696,7 @@ via hda-verb won't change the mixer value. The hda-verb program is found in the ftp directory: -- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/misc/ +- ftp://ftp.suse.com/pub/people/tiwai/misc/ Also a git repository is available: @@ -764,7 +764,7 @@ operation, the jack plugging simulation, etc. The package is found in: -- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/misc/ +- ftp://ftp.suse.com/pub/people/tiwai/misc/ A git repository is available: diff --git a/MAINTAINERS b/MAINTAINERS index 7f6bc290d45..48fe11cc230 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1927,10 +1927,11 @@ S: Maintained F: drivers/connector/ CONTROL GROUPS (CGROUPS) -M: Paul Menage <paul@paulmenage.org> +M: Tejun Heo <tj@kernel.org> M: Li Zefan <lizf@cn.fujitsu.com> L: containers@lists.linux-foundation.org L: cgroups@vger.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git S: Maintained F: include/linux/cgroup* F: kernel/cgroup* @@ -7435,7 +7436,8 @@ F: drivers/xen/*swiotlb* XFS FILESYSTEM P: Silicon Graphics Inc -M: Alex Elder <aelder@sgi.com> +M: Ben Myers <bpm@sgi.com> +M: Alex Elder <elder@kernel.org> M: xfs-masters@oss.sgi.com L: xfs@oss.sgi.com W: http://oss.sgi.com/projects/xfs diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index b177caa56d9..951e18f5335 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -345,7 +345,7 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE config KEXEC bool "kexec system call (EXPERIMENTAL)" - depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP && !47x)) && EXPERIMENTAL + depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP && !PPC_47x)) && EXPERIMENTAL help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 57af16edc19..70ba0c0a122 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -255,12 +255,6 @@ checkbin: echo 'disable kernel modules' ; \ false ; \ fi - @if ! /bin/echo dssall | $(AS) -many -o $(TOUT) >/dev/null 2>&1 ; then \ - echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build ' ; \ - echo 'correctly with old versions of binutils.' ; \ - echo '*** Please upgrade your binutils to 2.12.1 or newer' ; \ - false ; \ - fi CLEAN_FILES += $(TOUT) diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h index e2a4c26ad37..02e41b53488 100644 --- a/arch/powerpc/include/asm/atomic.h +++ b/arch/powerpc/include/asm/atomic.h @@ -49,13 +49,13 @@ static __inline__ int atomic_add_return(int a, atomic_t *v) int t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%2 # atomic_add_return\n\ add %0,%1,%0\n" PPC405_ERR77(0,%2) " stwcx. %0,0,%2 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (a), "r" (&v->counter) : "cc", "memory"); @@ -85,13 +85,13 @@ static __inline__ int atomic_sub_return(int a, atomic_t *v) int t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%2 # atomic_sub_return\n\ subf %0,%1,%0\n" PPC405_ERR77(0,%2) " stwcx. %0,0,%2 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (a), "r" (&v->counter) : "cc", "memory"); @@ -119,13 +119,13 @@ static __inline__ int atomic_inc_return(atomic_t *v) int t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%1 # atomic_inc_return\n\ addic %0,%0,1\n" PPC405_ERR77(0,%1) " stwcx. %0,0,%1 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "xer", "memory"); @@ -163,13 +163,13 @@ static __inline__ int atomic_dec_return(atomic_t *v) int t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%1 # atomic_dec_return\n\ addic %0,%0,-1\n" PPC405_ERR77(0,%1) " stwcx. %0,0,%1\n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "xer", "memory"); @@ -194,7 +194,7 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) int t; __asm__ __volatile__ ( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%1 # __atomic_add_unless\n\ cmpw 0,%0,%3 \n\ beq- 2f \n\ @@ -202,7 +202,7 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) PPC405_ERR77(0,%2) " stwcx. %0,0,%1 \n\ bne- 1b \n" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER " subf %0,%2,%0 \n\ 2:" : "=&r" (t) @@ -226,7 +226,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v) int t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%1 # atomic_dec_if_positive\n\ cmpwi %0,1\n\ addi %0,%0,-1\n\ @@ -234,7 +234,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v) PPC405_ERR77(0,%1) " stwcx. %0,0,%1\n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER "\n\ 2:" : "=&b" (t) : "r" (&v->counter) @@ -285,12 +285,12 @@ static __inline__ long atomic64_add_return(long a, atomic64_t *v) long t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%2 # atomic64_add_return\n\ add %0,%1,%0\n\ stdcx. %0,0,%2 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (a), "r" (&v->counter) : "cc", "memory"); @@ -319,12 +319,12 @@ static __inline__ long atomic64_sub_return(long a, atomic64_t *v) long t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%2 # atomic64_sub_return\n\ subf %0,%1,%0\n\ stdcx. %0,0,%2 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (a), "r" (&v->counter) : "cc", "memory"); @@ -351,12 +351,12 @@ static __inline__ long atomic64_inc_return(atomic64_t *v) long t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%1 # atomic64_inc_return\n\ addic %0,%0,1\n\ stdcx. %0,0,%1 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "xer", "memory"); @@ -393,12 +393,12 @@ static __inline__ long atomic64_dec_return(atomic64_t *v) long t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%1 # atomic64_dec_return\n\ addic %0,%0,-1\n\ stdcx. %0,0,%1\n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "xer", "memory"); @@ -418,13 +418,13 @@ static __inline__ long atomic64_dec_if_positive(atomic64_t *v) long t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%1 # atomic64_dec_if_positive\n\ addic. %0,%0,-1\n\ blt- 2f\n\ stdcx. %0,0,%1\n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER "\n\ 2:" : "=&r" (t) : "r" (&v->counter) @@ -450,14 +450,14 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) long t; __asm__ __volatile__ ( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%1 # __atomic_add_unless\n\ cmpd 0,%0,%3 \n\ beq- 2f \n\ add %0,%2,%0 \n" " stdcx. %0,0,%1 \n\ bne- 1b \n" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER " subf %0,%2,%0 \n\ 2:" : "=&r" (t) diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h index e137afcc10f..efdc92618b3 100644 --- a/arch/powerpc/include/asm/bitops.h +++ b/arch/powerpc/include/asm/bitops.h @@ -124,14 +124,14 @@ static __inline__ unsigned long fn( \ return (old & mask); \ } -DEFINE_TESTOP(test_and_set_bits, or, PPC_RELEASE_BARRIER, - PPC_ACQUIRE_BARRIER, 0) +DEFINE_TESTOP(test_and_set_bits, or, PPC_ATOMIC_ENTRY_BARRIER, + PPC_ATOMIC_EXIT_BARRIER, 0) DEFINE_TESTOP(test_and_set_bits_lock, or, "", PPC_ACQUIRE_BARRIER, 1) -DEFINE_TESTOP(test_and_clear_bits, andc, PPC_RELEASE_BARRIER, - PPC_ACQUIRE_BARRIER, 0) -DEFINE_TESTOP(test_and_change_bits, xor, PPC_RELEASE_BARRIER, - PPC_ACQUIRE_BARRIER, 0) +DEFINE_TESTOP(test_and_clear_bits, andc, PPC_ATOMIC_ENTRY_BARRIER, + PPC_ATOMIC_EXIT_BARRIER, 0) +DEFINE_TESTOP(test_and_change_bits, xor, PPC_ATOMIC_ENTRY_BARRIER, + PPC_ATOMIC_EXIT_BARRIER, 0) static __inline__ int test_and_set_bit(unsigned long nr, volatile unsigned long *addr) diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h index c94e4a3fe2e..2a9cf845473 100644 --- a/arch/powerpc/include/asm/futex.h +++ b/arch/powerpc/include/asm/futex.h @@ -11,12 +11,13 @@ #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \ __asm__ __volatile ( \ - PPC_RELEASE_BARRIER \ + PPC_ATOMIC_ENTRY_BARRIER \ "1: lwarx %0,0,%2\n" \ insn \ PPC405_ERR77(0, %2) \ "2: stwcx. %1,0,%2\n" \ "bne- 1b\n" \ + PPC_ATOMIC_EXIT_BARRIER \ "li %1,0\n" \ "3: .section .fixup,\"ax\"\n" \ "4: li %1,%3\n" \ @@ -92,14 +93,14 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, return -EFAULT; __asm__ __volatile__ ( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %1,0,%3 # futex_atomic_cmpxchg_inatomic\n\ cmpw 0,%1,%4\n\ bne- 3f\n" PPC405_ERR77(0,%3) "2: stwcx. %5,0,%3\n\ bne- 1b\n" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER "3: .section .fixup,\"ax\"\n\ 4: li %0,%6\n\ b 3b\n\ diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h index 28cdbd9f399..03c48e819c8 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -31,7 +31,7 @@ #define MSR_ MSR_ME | MSR_CE #define MSR_KERNEL MSR_ | MSR_64BIT -#define MSR_USER32 MSR_ | MSR_PR | MSR_EE | MSR_DE +#define MSR_USER32 MSR_ | MSR_PR | MSR_EE #define MSR_USER64 MSR_USER32 | MSR_64BIT #elif defined (CONFIG_40x) #define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE) diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h index 6fbce725c71..a0f358d4a00 100644 --- a/arch/powerpc/include/asm/sections.h +++ b/arch/powerpc/include/asm/sections.h @@ -8,7 +8,7 @@ #ifdef __powerpc64__ -extern char _end[]; +extern char __end_interrupts[]; static inline int in_kernel_text(unsigned long addr) { diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h index d7cab44643c..e682a7143ed 100644 --- a/arch/powerpc/include/asm/synch.h +++ b/arch/powerpc/include/asm/synch.h @@ -13,6 +13,7 @@ extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup; extern void do_lwsync_fixups(unsigned long value, void *fixup_start, void *fixup_end); +extern void do_final_fixups(void); static inline void eieio(void) { @@ -41,11 +42,15 @@ static inline void isync(void) START_LWSYNC_SECTION(97); \ isync; \ MAKE_LWSYNC_SECTION_ENTRY(97, __lwsync_fixup); -#define PPC_ACQUIRE_BARRIER "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER) -#define PPC_RELEASE_BARRIER stringify_in_c(LWSYNC) "\n" +#define PPC_ACQUIRE_BARRIER "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER) +#define PPC_RELEASE_BARRIER stringify_in_c(LWSYNC) "\n" +#define PPC_ATOMIC_ENTRY_BARRIER "\n" stringify_in_c(LWSYNC) "\n" +#define PPC_ATOMIC_EXIT_BARRIER "\n" stringify_in_c(sync) "\n" #else #define PPC_ACQUIRE_BARRIER #define PPC_RELEASE_BARRIER +#define PPC_ATOMIC_ENTRY_BARRIER +#define PPC_ATOMIC_EXIT_BARRIER #endif #endif /* __KERNEL__ */ diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 56212bc0ab0..4f80cf1ce77 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -215,7 +215,22 @@ reenable_mmu: /* re-enable mmu so we can */ stw r9,8(r1) stw r11,12(r1) stw r3,ORIG_GPR3(r1) + /* + * The trace_hardirqs_off will use CALLER_ADDR0 and CALLER_ADDR1. + * If from user mode there is only one stack frame on the stack, and + * accessing CALLER_ADDR1 will cause oops. So we need create a dummy + * stack frame to make trace_hardirqs_off happy. + */ + andi. r12,r12,MSR_PR + beq 11f + stwu r1,-16(r1) + bl trace_hardirqs_off + addi r1,r1,16 + b 12f + +11: bl trace_hardirqs_off +12: lwz r0,GPR0(r1) lwz r3,ORIG_GPR3(r1) lwz r4,GPR4(r1) diff --git a/arch/powerpc/kernel/jump_label.c b/arch/powerpc/kernel/jump_label.c index 368d158d665..a1ed8a8c7cb 100644 --- a/arch/powerpc/kernel/jump_label.c +++ b/arch/powerpc/kernel/jump_label.c @@ -11,6 +11,7 @@ #include <linux/jump_label.h> #include <asm/code-patching.h> +#ifdef HAVE_JUMP_LABEL void arch_jump_label_transform(struct jump_entry *entry, enum jump_label_type type) { @@ -21,3 +22,4 @@ void arch_jump_label_transform(struct jump_entry *entry, else patch_instruction(addr, PPC_INST_NOP); } +#endif diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c index 35f27646c4f..2985338d0e1 100644 --- a/arch/powerpc/kernel/kvm.c +++ b/arch/powerpc/kernel/kvm.c @@ -132,7 +132,6 @@ static void kvm_patch_ins_b(u32 *inst, int addr) /* On relocatable kernels interrupts handlers and our code can be in different regions, so we don't patch them */ - extern u32 __end_interrupts; if ((ulong)inst < (ulong)&__end_interrupts) return; #endif diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index f7d760ab5ca..7cd07b42ca1 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -738,7 +738,7 @@ relocate_new_kernel: mr r5, r31 li r0, 0 -#elif defined(CONFIG_44x) && !defined(CONFIG_47x) +#elif defined(CONFIG_44x) && !defined(CONFIG_PPC_47x) /* * Code for setting up 1:1 mapping for PPC440x for KEXEC diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 9054ca9ab4f..6457574c0b2 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -486,28 +486,6 @@ struct task_struct *__switch_to(struct task_struct *prev, new_thread = &new->thread; old_thread = ¤t->thread; -#if defined(CONFIG_PPC_BOOK3E_64) - /* XXX Current Book3E code doesn't deal with kernel side DBCR0, - * we always hold the user values, so we set it now. - * - * However, we ensure the kernel MSR:DE is appropriately cleared too - * to avoid spurrious single step exceptions in the kernel. - * - * This will have to change to merge with the ppc32 code at some point, - * but I don't like much what ppc32 is doing today so there's some - * thinking needed there - */ - if ((new_thread->dbcr0 | old_thread->dbcr0) & DBCR0_IDM) { - u32 dbcr0; - - mtmsr(mfmsr() & ~MSR_DE); - isync(); - dbcr0 = mfspr(SPRN_DBCR0); - dbcr0 = (dbcr0 & DBCR0_EDM) | new_thread->dbcr0; - mtspr(SPRN_DBCR0, dbcr0); - } -#endif /* CONFIG_PPC64_BOOK3E */ - #ifdef CONFIG_PPC64 /* * Collect processor utilization data per process @@ -657,7 +635,7 @@ void show_regs(struct pt_regs * regs) if ((regs->trap != 0xc00) && cpu_has_feature(CPU_FTR_CFAR)) printk("CFAR: "REG"\n", regs->orig_gpr3); if (trap == 0x300 || trap == 0x600) -#ifdef CONFIG_PPC_ADV_DEBUG_REGS +#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) printk("DEAR: "REG", ESR: "REG"\n", regs->dar, regs->dsisr); #else printk("DAR: "REG", DSISR: %08lx\n", regs->dar, regs->dsisr); diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index b4fa6612749..cc584865b3d 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -1579,10 +1579,8 @@ static void __init prom_instantiate_rtas(void) return; base = alloc_down(size, PAGE_SIZE, 0); - if (base == 0) { - prom_printf("RTAS allocation failed !\n"); - return; - } + if (base == 0) + prom_panic("Could not allocate memory for RTAS\n"); rtas_inst = call_prom("open", 1, 1, ADDR("/rtas")); if (!IHANDLE_VALID(rtas_inst)) { diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index c1ce86357ec..ac761081511 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -107,6 +107,8 @@ notrace unsigned long __init early_init(unsigned long dt_ptr) PTRRELOC(&__start___lwsync_fixup), PTRRELOC(&__stop___lwsync_fixup)); + do_final_fixups(); + return KERNELBASE + offset; } diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 1a9dea80a69..fb9bb46e7e8 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -359,6 +359,7 @@ void __init setup_system(void) &__start___fw_ftr_fixup, &__stop___fw_ftr_fixup); do_lwsync_fixups(cur_cpu_spec->cpu_features, &__start___lwsync_fixup, &__stop___lwsync_fixup); + do_final_fixups(); /* * Unflatten the device-tree passed by prom_init or kexec diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 78b76dc54df..836a5a19eb2 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -97,7 +97,7 @@ static inline int put_sigset_t(compat_sigset_t __user *uset, sigset_t *set) compat_sigset_t cset; switch (_NSIG_WORDS) { - case 4: cset.sig[5] = set->sig[3] & 0xffffffffull; + case 4: cset.sig[6] = set->sig[3] & 0xffffffffull; cset.sig[7] = set->sig[3] >> 32; case 3: cset.sig[4] = set->sig[2] & 0xffffffffull; cset.sig[5] = set->sig[2] >> 32; diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 4e5908264d1..5459d148a0f 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -1298,14 +1298,12 @@ void __kprobes DebugException(struct pt_regs *regs, unsigned long debug_status) if (user_mode(regs)) { current->thread.dbcr0 &= ~DBCR0_IC; -#ifdef CONFIG_PPC_ADV_DEBUG_REGS if (DBCR_ACTIVE_EVENTS(current->thread.dbcr0, current->thread.dbcr1)) regs->msr |= MSR_DE; else /* Make sure the IDM bit is off */ current->thread.dbcr0 &= ~DBCR0_IDM; -#endif } _exception(SIGTRAP, regs, TRAP_TRACE, regs->nip); diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 0cdbc07cec1..0cb137a9b03 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -44,6 +44,7 @@ #include <asm/processor.h> #include <asm/cputhreads.h> #include <asm/page.h> +#include <asm/hvcall.h> #include <linux/gfp.h> #include <linux/sched.h> #include <linux/vmalloc.h> diff --git a/arch/powerpc/lib/feature-fixups.c b/arch/powerpc/lib/feature-fixups.c index 0d08d017139..7a8a7487cee 100644 --- a/arch/powerpc/lib/feature-fixups.c +++ b/arch/powerpc/lib/feature-fixups.c @@ -18,6 +18,8 @@ #include <linux/init.h> #include <asm/cputable.h> #include <asm/code-patching.h> +#include <asm/page.h> +#include <asm/sections.h> struct fixup_entry { @@ -128,6 +130,27 @@ void do_lwsync_fixups(unsigned long value, void *fixup_start, void *fixup_end) } } +void do_final_fixups(void) +{ +#if defined(CONFIG_PPC64) && defined(CONFIG_RELOCATABLE) + int *src, *dest; + unsigned long length; + + if (PHYSICAL_START == 0) + return; + + src = (int *)(KERNELBASE + PHYSICAL_START); + dest = (int *)KERNELBASE; + length = (__end_interrupts - _stext) / sizeof(int); + + while (length--) { + patch_instruction(dest, *src); + src++; + dest++; + } +#endif +} + #ifdef CONFIG_FTR_FIXUP_SELFTEST #define check(x) \ diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index e4588721ef3..3fe6d927ad7 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -347,7 +347,7 @@ config SIMPLE_GPIO config MCU_MPC8349EMITX bool "MPC8349E-mITX MCU driver" - depends on I2C && PPC_83xx + depends on I2C=y && PPC_83xx select GENERIC_GPIO select ARCH_REQUIRE_GPIOLIB help diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c index 404bc52b780..1d6f4f478fe 100644 --- a/arch/powerpc/platforms/ps3/interrupt.c +++ b/arch/powerpc/platforms/ps3/interrupt.c @@ -88,6 +88,7 @@ struct ps3_private { struct ps3_bmp bmp __attribute__ ((aligned (PS3_BMP_MINALIGN))); u64 ppe_id; u64 thread_id; + unsigned long ipi_mask; }; static DEFINE_PER_CPU(struct ps3_private, ps3_private); @@ -144,7 +145,11 @@ static void ps3_chip_unmask(struct irq_data *d) static void ps3_chip_eoi(struct irq_data *d) { const struct ps3_private *pd = irq_data_get_irq_chip_data(d); - lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, d->irq); + + /* non-IPIs are EOIed here. */ + + if (!test_bit(63 - d->irq, &pd->ipi_mask)) + lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, d->irq); } /** @@ -691,6 +696,16 @@ void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq) cpu, virq, pd->bmp.ipi_debug_brk_mask); } +void __init ps3_register_ipi_irq(unsigned int cpu, unsigned int virq) +{ + struct ps3_private *pd = &per_cpu(ps3_private, cpu); + + set_bit(63 - virq, &pd->ipi_mask); + + DBG("%s:%d: cpu %u, virq %u, ipi_mask %lxh\n", __func__, __LINE__, + cpu, virq, pd->ipi_mask); +} + static unsigned int ps3_get_irq(void) { struct ps3_private *pd = &__get_cpu_var(ps3_private); @@ -720,6 +735,12 @@ static unsigned int ps3_get_irq(void) BUG(); } #endif + + /* IPIs are EOIed here. */ + + if (test_bit(63 - plug, &pd->ipi_mask)) + lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, plug); + return plug; } diff --git a/arch/powerpc/platforms/ps3/platform.h b/arch/powerpc/platforms/ps3/platform.h index 9a196a88eda..1a633ed0fe9 100644 --- a/arch/powerpc/platforms/ps3/platform.h +++ b/arch/powerpc/platforms/ps3/platform.h @@ -43,6 +43,7 @@ void ps3_mm_shutdown(void); void ps3_init_IRQ(void); void ps3_shutdown_IRQ(int cpu); void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq); +void __init ps3_register_ipi_irq(unsigned int cpu, unsigned int virq); /* smp */ diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c index 4c44794faac..efc1cd8c034 100644 --- a/arch/powerpc/platforms/ps3/smp.c +++ b/arch/powerpc/platforms/ps3/smp.c @@ -59,46 +59,49 @@ static void ps3_smp_message_pass(int cpu, int msg) static int ps3_smp_probe(void) { - return 2; -} + int cpu; -static void __init ps3_smp_setup_cpu(int cpu) -{ - int result; - unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu); - int i; + for (cpu = 0; cpu < 2; cpu++) { + int result; + unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu); + int i; - DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); + DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); - /* - * Check assumptions on ps3_ipi_virqs[] indexing. If this - * check fails, then a different mapping of PPC_MSG_ - * to index needs to be setup. - */ + /* + * Check assumptions on ps3_ipi_virqs[] indexing. If this + * check fails, then a different mapping of PPC_MSG_ + * to index needs to be setup. + */ - BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION != 0); - BUILD_BUG_ON(PPC_MSG_RESCHEDULE != 1); - BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2); - BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3); + BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION != 0); + BUILD_BUG_ON(PPC_MSG_RESCHEDULE != 1); + BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2); + BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3); - for (i = 0; i < MSG_COUNT; i++) { - result = ps3_event_receive_port_setup(cpu, &virqs[i]); + for (i = 0; i < MSG_COUNT; i++) { + result = ps3_event_receive_port_setup(cpu, &virqs[i]); - if (result) - continue; + if (result) + continue; - DBG("%s:%d: (%d, %d) => virq %u\n", - __func__, __LINE__, cpu, i, virqs[i]); + DBG("%s:%d: (%d, %d) => virq %u\n", + __func__, __LINE__, cpu, i, virqs[i]); - result = smp_request_message_ipi(virqs[i], i); + result = smp_request_message_ipi(virqs[i], i); - if (result) - virqs[i] = NO_IRQ; - } + if (result) + virqs[i] = NO_IRQ; + else + ps3_register_ipi_irq(cpu, virqs[i]); + } - ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]); + ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]); - DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu); + DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu); + } + + return 2; } void ps3_smp_cleanup_cpu(int cpu) @@ -121,7 +124,6 @@ static struct smp_ops_t ps3_smp_ops = { .probe = ps3_smp_probe, .message_pass = ps3_smp_message_pass, .kick_cpu = smp_generic_kick_cpu, - .setup_cpu = ps3_smp_setup_cpu, }; void smp_init_ps3(void) diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h index 5b31a8e8982..a790cc65747 100644 --- a/arch/sparc/include/asm/pgtable_32.h +++ b/arch/sparc/include/asm/pgtable_32.h @@ -431,10 +431,6 @@ extern unsigned long *sparc_valid_addr_bitmap; #define kern_addr_valid(addr) \ (test_bit(__pa((unsigned long)(addr))>>20, sparc_valid_addr_bitmap)) -extern int io_remap_pfn_range(struct vm_area_struct *vma, - unsigned long from, unsigned long pfn, - unsigned long size, pgprot_t prot); - /* * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in * its high 4 bits. These macros/functions put it there or get it from there. @@ -443,6 +439,22 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, #define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4)) #define GET_PFN(pfn) (pfn & 0x0fffffffUL) +extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long, + unsigned long, pgprot_t); + +static inline int io_remap_pfn_range(struct vm_area_struct *vma, + unsigned long from, unsigned long pfn, + unsigned long size, pgprot_t prot) +{ + unsigned long long offset, space, phys_base; + + offset = ((unsigned long long) GET_PFN(pfn)) << PAGE_SHIFT; + space = GET_IOSPACE(pfn); + phys_base = offset | (space << 32ULL); + + return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot); +} + #define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS #define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \ ({ \ diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index adf89329af5..38ebb2c6013 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -757,10 +757,6 @@ static inline bool kern_addr_valid(unsigned long addr) extern int page_in_phys_avail(unsigned long paddr); -extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, - unsigned long pfn, - unsigned long size, pgprot_t prot); - /* * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in * its high 4 bits. These macros/functions put it there or get it from there. @@ -769,6 +765,22 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, #define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4)) #define GET_PFN(pfn) (pfn & 0x0fffffffffffffffUL) +extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long, + unsigned long, pgprot_t); + +static inline int io_remap_pfn_range(struct vm_area_struct *vma, + unsigned long from, unsigned long pfn, + unsigned long size, pgprot_t prot) +{ + unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT; + int space = GET_IOSPACE(pfn); + unsigned long phys_base; + + phys_base = offset | (((unsigned long) space) << 32UL); + + return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot); +} + #include <asm-generic/pgtable.h> /* We provide our own get_unmapped_area to cope with VA holes and diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h index e27f8ea8656..0c218e4c088 100644 --- a/arch/sparc/kernel/entry.h +++ b/arch/sparc/kernel/entry.h @@ -42,6 +42,9 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr, extern void fpload(unsigned long *fpregs, unsigned long *fsr); #else /* CONFIG_SPARC32 */ + +#include <asm/trap_block.h> + struct popc_3insn_patch_entry { unsigned int addr; unsigned int insns[3]; @@ -57,6 +60,10 @@ extern struct popc_6insn_patch_entry __popc_6insn_patch, __popc_6insn_patch_end; extern void __init per_cpu_patch(void); +extern void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *, + struct sun4v_1insn_patch_entry *); +extern void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *, + struct sun4v_2insn_patch_entry *); extern void __init sun4v_patch(void); extern void __init boot_cpu_id_too_large(int cpu); extern unsigned int dcache_parity_tl1_occurred; diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c index da0c6c70ccb..e5519870c3d 100644 --- a/arch/sparc/kernel/module.c +++ b/arch/sparc/kernel/module.c @@ -17,6 +17,8 @@ #include <asm/processor.h> #include <asm/spitfire.h> +#include "entry.h" + #ifdef CONFIG_SPARC64 #include <linux/jump_label.h> @@ -203,6 +205,29 @@ int apply_relocate_add(Elf_Shdr *sechdrs, } #ifdef CONFIG_SPARC64 +static void do_patch_sections(const Elf_Ehdr *hdr, + const Elf_Shdr *sechdrs) +{ + const Elf_Shdr *s, *sun4v_1insn = NULL, *sun4v_2insn = NULL; + char *secstrings = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; + + for (s = sechdrs; s < sechdrs + hdr->e_shnum; s++) { + if (!strcmp(".sun4v_1insn_patch", secstrings + s->sh_name)) + sun4v_1insn = s; + if (!strcmp(".sun4v_2insn_patch", secstrings + s->sh_name)) + sun4v_2insn = s; + } + + if (sun4v_1insn && tlb_type == hypervisor) { + void *p = (void *) sun4v_1insn->sh_addr; + sun4v_patch_1insn_range(p, p + sun4v_1insn->sh_size); + } + if (sun4v_2insn && tlb_type == hypervisor) { + void *p = (void *) sun4v_2insn->sh_addr; + sun4v_patch_2insn_range(p, p + sun4v_2insn->sh_size); + } +} + int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, struct module *me) @@ -210,6 +235,8 @@ int module_finalize(const Elf_Ehdr *hdr, /* make jump label nops */ jump_label_apply_nops(me); + do_patch_sections(hdr, sechdrs); + /* Cheetah's I-cache is fully coherent. */ if (tlb_type == spitfire) { unsigned long va; diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index c965595aa7e..a854a1c240f 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -234,40 +234,50 @@ void __init per_cpu_patch(void) } } -void __init sun4v_patch(void) +void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *start, + struct sun4v_1insn_patch_entry *end) { - extern void sun4v_hvapi_init(void); - struct sun4v_1insn_patch_entry *p1; - struct sun4v_2insn_patch_entry *p2; - - if (tlb_type != hypervisor) - return; + while (start < end) { + unsigned long addr = start->addr; - p1 = &__sun4v_1insn_patch; - while (p1 < &__sun4v_1insn_patch_end) { - unsigned long addr = p1->addr; - - *(unsigned int *) (addr + 0) = p1->insn; + *(unsigned int *) (addr + 0) = start->insn; wmb(); __asm__ __volatile__("flush %0" : : "r" (addr + 0)); - p1++; + start++; } +} - p2 = &__sun4v_2insn_patch; - while (p2 < &__sun4v_2insn_patch_end) { - unsigned long addr = p2->addr; +void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *start, + struct sun4v_2insn_patch_entry *end) +{ + while (start < end) { + unsigned long addr = start->addr; - *(unsigned int *) (addr + 0) = p2->insns[0]; + *(unsigned int *) (addr + 0) = start->insns[0]; wmb(); __asm__ __volatile__("flush %0" : : "r" (addr + 0)); - *(unsigned int *) (addr + 4) = p2->insns[1]; + *(unsigned int *) (addr + 4) = start->insns[1]; wmb(); __asm__ __volatile__("flush %0" : : "r" (addr + 4)); - p2++; + start++; } +} + +void __init sun4v_patch(void) +{ + extern void sun4v_hvapi_init(void); + + if (tlb_type != hypervisor) + return; + + sun4v_patch_1insn_range(&__sun4v_1insn_patch, + &__sun4v_1insn_patch_end); + + sun4v_patch_2insn_range(&__sun4v_2insn_patch, + &__sun4v_2insn_patch_end); sun4v_hvapi_init(); } diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index 2caa556db86..023b8860dc9 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -822,21 +822,23 @@ static inline void syscall_restart32(unsigned long orig_i0, struct pt_regs *regs * want to handle. Thus you cannot kill init even with a SIGKILL even by * mistake. */ -void do_signal32(sigset_t *oldset, struct pt_regs * regs, - int restart_syscall, unsigned long orig_i0) +void do_signal32(sigset_t *oldset, struct pt_regs * regs) { struct k_sigaction ka; + unsigned long orig_i0; + int restart_syscall; siginfo_t info; int signr; signr = get_signal_to_deliver(&info, &ka, regs, NULL); - /* If the debugger messes with the program counter, it clears - * the "in syscall" bit, directing us to not perform a syscall - * restart. - */ - if (restart_syscall && !pt_regs_is_syscall(regs)) - restart_syscall = 0; + restart_syscall = 0; + orig_i0 = 0; + if (pt_regs_is_syscall(regs) && + (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) { + restart_syscall = 1; + orig_i0 = regs->u_regs[UREG_G6]; + } if (signr > 0) { if (restart_syscall) diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index 8ce247ac04c..d54c6e53aba 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -519,10 +519,26 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) siginfo_t info; int signr; + /* It's a lot of work and synchronization to add a new ptrace + * register for GDB to save and restore in order to get + * orig_i0 correct for syscall restarts when debugging. + * + * Although it should be the case that most of the global + * registers are volatile across a system call, glibc already + * depends upon that fact that we preserve them. So we can't + * just use any global register to save away the orig_i0 value. + * + * In particular %g2, %g3, %g4, and %g5 are all assumed to be + * preserved across a system call trap by various pieces of + * code in glibc. + * + * %g7 is used as the "thread register". %g6 is not used in + * any fixed manner. %g6 is used as a scratch register and + * a compiler temporary, but it's value is never used across + * a system call. Therefore %g6 is usable for orig_i0 storage. + */ if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C)) - restart_syscall = 1; - else - restart_syscall = 0; + regs->u_regs[UREG_G6] = orig_i0; if (test_thread_flag(TIF_RESTORE_SIGMASK)) oldset = ¤t->saved_sigmask; @@ -535,8 +551,12 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) * the software "in syscall" bit, directing us to not perform * a syscall restart. */ - if (restart_syscall && !pt_regs_is_syscall(regs)) - restart_syscall = 0; + restart_syscall = 0; + if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C)) { + restart_syscall = 1; + orig_i0 = regs->u_regs[UREG_G6]; + } + if (signr > 0) { if (restart_syscall) diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c index a2b81598d90..f0836cd0e2f 100644 --- a/arch/sparc/kernel/signal_64.c +++ b/arch/sparc/kernel/signal_64.c @@ -529,11 +529,27 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) siginfo_t info; int signr; + /* It's a lot of work and synchronization to add a new ptrace + * register for GDB to save and restore in order to get + * orig_i0 correct for syscall restarts when debugging. + * + * Although it should be the case that most of the global + * registers are volatile across a system call, glibc already + * depends upon that fact that we preserve them. So we can't + * just use any global register to save away the orig_i0 value. + * + * In particular %g2, %g3, %g4, and %g5 are all assumed to be + * preserved across a system call trap by various pieces of + * code in glibc. + * + * %g7 is used as the "thread register". %g6 is not used in + * any fixed manner. %g6 is used as a scratch register and + * a compiler temporary, but it's value is never used across + * a system call. Therefore %g6 is usable for orig_i0 storage. + */ if (pt_regs_is_syscall(regs) && - (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) { - restart_syscall = 1; - } else - restart_syscall = 0; + (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) + regs->u_regs[UREG_G6] = orig_i0; if (current_thread_info()->status & TS_RESTORE_SIGMASK) oldset = ¤t->saved_sigmask; @@ -542,22 +558,20 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) #ifdef CONFIG_COMPAT if (test_thread_flag(TIF_32BIT)) { - extern void do_signal32(sigset_t *, struct pt_regs *, - int restart_syscall, - unsigned long orig_i0); - do_signal32(oldset, regs, restart_syscall, orig_i0); + extern void do_signal32(sigset_t *, struct pt_regs *); + do_signal32(oldset, regs); return; } #endif signr = get_signal_to_deliver(&info, &ka, regs, NULL); - /* If the debugger messes with the program counter, it clears - * the software "in syscall" bit, directing us to not perform - * a syscall restart. - */ - if (restart_syscall && !pt_regs_is_syscall(regs)) - restart_syscall = 0; + restart_syscall = 0; + if (pt_regs_is_syscall(regs) && + (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) { + restart_syscall = 1; + orig_i0 = regs->u_regs[UREG_G6]; + } if (signr > 0) { if (restart_syscall) diff --git a/arch/sparc/kernel/sigutil_64.c b/arch/sparc/kernel/sigutil_64.c index e7dc508c38e..b19570d41a3 100644 --- a/arch/sparc/kernel/sigutil_64.c +++ b/arch/sparc/kernel/sigutil_64.c @@ -2,6 +2,7 @@ #include <linux/types.h> #include <linux/thread_info.h> #include <linux/uaccess.h> +#include <linux/errno.h> #include <asm/sigcontext.h> #include <asm/fpumacro.h> diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile index e3cda21b5ee..301421c1129 100644 --- a/arch/sparc/mm/Makefile +++ b/arch/sparc/mm/Makefile @@ -8,7 +8,6 @@ obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o gup.o obj-y += fault_$(BITS).o obj-y += init_$(BITS).o obj-$(CONFIG_SPARC32) += loadmmu.o -obj-y += generic_$(BITS).o obj-$(CONFIG_SPARC32) += extable.o btfixup.o srmmu.o iommu.o io-unit.o obj-$(CONFIG_SPARC32) += hypersparc.o viking.o tsunami.o swift.o obj-$(CONFIG_SPARC_LEON)+= leon_mm.o diff --git a/arch/sparc/mm/generic_32.c b/arch/sparc/mm/generic_32.c deleted file mode 100644 index 6ca39a60a19..00000000000 --- a/arch/sparc/mm/generic_32.c +++ /dev/null @@ -1,99 +0,0 @@ -/* - * generic.c: Generic Sparc mm routines that are not dependent upon - * MMU type but are Sparc specific. - * - * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) - */ - -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/swap.h> -#include <linux/pagemap.h> -#include <linux/export.h> - -#include <asm/pgalloc.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <asm/cacheflush.h> -#include <asm/tlbflush.h> - -/* Remap IO memory, the same way as remap_pfn_range(), but use - * the obio memory space. - * - * They use a pgprot that sets PAGE_IO and does not check the - * mem_map table as this is independent of normal memory. - */ -static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte, unsigned long address, unsigned long size, - unsigned long offset, pgprot_t prot, int space) -{ - unsigned long end; - - address &= ~PMD_MASK; - end = address + size; - if (end > PMD_SIZE) - end = PMD_SIZE; - do { - set_pte_at(mm, address, pte, mk_pte_io(offset, prot, space)); - address += PAGE_SIZE; - offset += PAGE_SIZE; - pte++; - } while (address < end); -} - -static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size, - unsigned long offset, pgprot_t prot, int space) -{ - unsigned long end; - - address &= ~PGDIR_MASK; - end = address + size; - if (end > PGDIR_SIZE) - end = PGDIR_SIZE; - offset -= address; - do { - pte_t *pte = pte_alloc_map(mm, NULL, pmd, address); - if (!pte) - return -ENOMEM; - io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space); - address = (address + PMD_SIZE) & PMD_MASK; - pmd++; - } while (address < end); - return 0; -} - -int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, - unsigned long pfn, unsigned long size, pgprot_t prot) -{ - int error = 0; - pgd_t * dir; - unsigned long beg = from; - unsigned long end = from + size; - struct mm_struct *mm = vma->vm_mm; - int space = GET_IOSPACE(pfn); - unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT; - - /* See comment in mm/memory.c remap_pfn_range */ - vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP; - vma->vm_pgoff = (offset >> PAGE_SHIFT) | - ((unsigned long)space << 28UL); - - offset -= from; - dir = pgd_offset(mm, from); - flush_cache_range(vma, beg, end); - - while (from < end) { - pmd_t *pmd = pmd_alloc(mm, dir, from); - error = -ENOMEM; - if (!pmd) - break; - error = io_remap_pmd_range(mm, pmd, from, end - from, offset + from, prot, space); - if (error) - break; - from = (from + PGDIR_SIZE) & PGDIR_MASK; - dir++; - } - - flush_tlb_range(vma, beg, end); - return error; -} -EXPORT_SYMBOL(io_remap_pfn_range); diff --git a/arch/sparc/mm/generic_64.c b/arch/sparc/mm/generic_64.c deleted file mode 100644 index 9b357ddae39..00000000000 --- a/arch/sparc/mm/generic_64.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * generic.c: Generic Sparc mm routines that are not dependent upon - * MMU type but are Sparc specific. - * - * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) - */ - -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/swap.h> -#include <linux/export.h> -#include <linux/pagemap.h> - -#include <asm/pgalloc.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <asm/tlbflush.h> - -/* Remap IO memory, the same way as remap_pfn_range(), but use - * the obio memory space. - * - * They use a pgprot that sets PAGE_IO and does not check the - * mem_map table as this is independent of normal memory. - */ -static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte, - unsigned long address, - unsigned long size, - unsigned long offset, pgprot_t prot, - int space) -{ - unsigned long end; - - /* clear hack bit that was used as a write_combine side-effect flag */ - offset &= ~0x1UL; - address &= ~PMD_MASK; - end = address + size; - if (end > PMD_SIZE) - end = PMD_SIZE; - do { - pte_t entry; - unsigned long curend = address + PAGE_SIZE; - - entry = mk_pte_io(offset, prot, space, PAGE_SIZE); - if (!(address & 0xffff)) { - if (PAGE_SIZE < (4 * 1024 * 1024) && - !(address & 0x3fffff) && - !(offset & 0x3ffffe) && - end >= address + 0x400000) { - entry = mk_pte_io(offset, prot, space, - 4 * 1024 * 1024); - curend = address + 0x400000; - offset += 0x400000; - } else if (PAGE_SIZE < (512 * 1024) && - !(address & 0x7ffff) && - !(offset & 0x7fffe) && - end >= address + 0x80000) { - entry = mk_pte_io(offset, prot, space, - 512 * 1024 * 1024); - curend = address + 0x80000; - offset += 0x80000; - } else if (PAGE_SIZE < (64 * 1024) && - !(offset & 0xfffe) && - end >= address + 0x10000) { - entry = mk_pte_io(offset, prot, space, - 64 * 1024); - curend = address + 0x10000; - offset += 0x10000; - } else - offset += PAGE_SIZE; - } else - offset += PAGE_SIZE; - - if (pte_write(entry)) - entry = pte_mkdirty(entry); - do { - BUG_ON(!pte_none(*pte)); - set_pte_at(mm, address, pte, entry); - address += PAGE_SIZE; - pte_val(entry) += PAGE_SIZE; - pte++; - } while (address < curend); - } while (address < end); -} - -static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size, - unsigned long offset, pgprot_t prot, int space) -{ - unsigned long end; - - address &= ~PGDIR_MASK; - end = address + size; - if (end > PGDIR_SIZE) - end = PGDIR_SIZE; - offset -= address; - do { - pte_t *pte = pte_alloc_map(mm, NULL, pmd, address); - if (!pte) - return -ENOMEM; - io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space); - pte_unmap(pte); - address = (address + PMD_SIZE) & PMD_MASK; - pmd++; - } while (address < end); - return 0; -} - -static inline int io_remap_pud_range(struct mm_struct *mm, pud_t * pud, unsigned long address, unsigned long size, - unsigned long offset, pgprot_t prot, int space) -{ - unsigned long end; - - address &= ~PUD_MASK; - end = address + size; - if (end > PUD_SIZE) - end = PUD_SIZE; - offset -= address; - do { - pmd_t *pmd = pmd_alloc(mm, pud, address); - if (!pud) - return -ENOMEM; - io_remap_pmd_range(mm, pmd, address, end - address, address + offset, prot, space); - address = (address + PUD_SIZE) & PUD_MASK; - pud++; - } while (address < end); - return 0; -} - -int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, - unsigned long pfn, unsigned long size, pgprot_t prot) -{ - int error = 0; - pgd_t * dir; - unsigned long beg = from; - unsigned long end = from + size; - struct mm_struct *mm = vma->vm_mm; - int space = GET_IOSPACE(pfn); - unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT; - unsigned long phys_base; - - phys_base = offset | (((unsigned long) space) << 32UL); - - /* See comment in mm/memory.c remap_pfn_range */ - vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP; - vma->vm_pgoff = phys_base >> PAGE_SHIFT; - - offset -= from; - dir = pgd_offset(mm, from); - flush_cache_range(vma, beg, end); - - while (from < end) { - pud_t *pud = pud_alloc(mm, dir, from); - error = -ENOMEM; - if (!pud) - break; - error = io_remap_pud_range(mm, pud, from, end - from, offset + from, prot, space); - if (error) - break; - from = (from + PGDIR_SIZE) & PGDIR_MASK; - dir++; - } - - flush_tlb_range(vma, beg, end); - return error; -} -EXPORT_SYMBOL(io_remap_pfn_range); diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig index e57dcce9bfd..942ed6174f1 100644 --- a/arch/unicore32/Kconfig +++ b/arch/unicore32/Kconfig @@ -237,13 +237,13 @@ menu "PKUnity NetBook-0916 Features" config I2C_BATTERY_BQ27200 tristate "I2C Battery BQ27200 Support" - select PUV3_I2C + select I2C_PUV3 select POWER_SUPPLY select BATTERY_BQ27x00 config I2C_EEPROM_AT24 tristate "I2C EEPROMs AT24 support" - select PUV3_I2C + select I2C_PUV3 select MISC_DEVICES select EEPROM_AT24 diff --git a/arch/unicore32/Kconfig.debug b/arch/unicore32/Kconfig.debug index ae2ec334c3c..1a362623984 100644 --- a/arch/unicore32/Kconfig.debug +++ b/arch/unicore32/Kconfig.debug @@ -44,18 +44,4 @@ config DEBUG_OCD Say Y here if you want the debug print routines to direct their output to the UniCore On-Chip-Debugger channel using CP #1. -config DEBUG_OCD_BREAKPOINT - bool "Breakpoint support via On-Chip-Debugger" - depends on DEBUG_OCD - -config DEBUG_UART - int "Kernel low-level debugging messages via serial port" - depends on DEBUG_LL - range 0 1 - default "0" - help - Choice for UART for kernel low-level using PKUnity UARTS, - should be between zero and one. The port must have been - initialised by the boot-loader before use. - endmenu diff --git a/arch/unicore32/boot/compressed/Makefile b/arch/unicore32/boot/compressed/Makefile index b0954a2d23c..950a9afa38f 100644 --- a/arch/unicore32/boot/compressed/Makefile +++ b/arch/unicore32/boot/compressed/Makefile @@ -10,8 +10,8 @@ # Copyright (C) 2001~2010 GUAN Xue-tao # -EXTRA_CFLAGS := -fpic -fno-builtin -EXTRA_AFLAGS := -Wa,-march=all +ccflags-y := -fpic -fno-builtin +asflags-y := -Wa,-march=all OBJS := misc.o diff --git a/arch/unicore32/include/asm/bitops.h b/arch/unicore32/include/asm/bitops.h index 1628a632899..401f597bc38 100644 --- a/arch/unicore32/include/asm/bitops.h +++ b/arch/unicore32/include/asm/bitops.h @@ -13,12 +13,6 @@ #ifndef __UNICORE_BITOPS_H__ #define __UNICORE_BITOPS_H__ -#define find_next_bit __uc32_find_next_bit -#define find_next_zero_bit __uc32_find_next_zero_bit - -#define find_first_bit __uc32_find_first_bit -#define find_first_zero_bit __uc32_find_first_zero_bit - #define _ASM_GENERIC_BITOPS_FLS_H_ #define _ASM_GENERIC_BITOPS___FLS_H_ #define _ASM_GENERIC_BITOPS_FFS_H_ @@ -44,4 +38,10 @@ static inline int fls(int x) #include <asm-generic/bitops.h> +/* following definitions: to avoid using codes in lib/find_*.c */ +#define find_next_bit find_next_bit +#define find_next_zero_bit find_next_zero_bit +#define find_first_bit find_first_bit +#define find_first_zero_bit find_first_zero_bit + #endif /* __UNICORE_BITOPS_H__ */ diff --git a/arch/unicore32/include/asm/processor.h b/arch/unicore32/include/asm/processor.h index e11cb078657..f0d780a51f9 100644 --- a/arch/unicore32/include/asm/processor.h +++ b/arch/unicore32/include/asm/processor.h @@ -53,7 +53,6 @@ struct thread_struct { #define start_thread(regs, pc, sp) \ ({ \ unsigned long *stack = (unsigned long *)sp; \ - set_fs(USER_DS); \ memset(regs->uregs, 0, sizeof(regs->uregs)); \ regs->UCreg_asr = USER_MODE; \ regs->UCreg_pc = pc & ~1; /* pc */ \ diff --git a/arch/unicore32/kernel/ksyms.c b/arch/unicore32/kernel/ksyms.c index a8970809428..d98bd812cae 100644 --- a/arch/unicore32/kernel/ksyms.c +++ b/arch/unicore32/kernel/ksyms.c @@ -24,8 +24,8 @@ #include "ksyms.h" -EXPORT_SYMBOL(__uc32_find_next_zero_bit); -EXPORT_SYMBOL(__uc32_find_next_bit); +EXPORT_SYMBOL(find_next_zero_bit); +EXPORT_SYMBOL(find_next_bit); EXPORT_SYMBOL(__backtrace); diff --git a/arch/unicore32/lib/findbit.S b/arch/unicore32/lib/findbit.S index c360ce905d8..c77746247d3 100644 --- a/arch/unicore32/lib/findbit.S +++ b/arch/unicore32/lib/findbit.S @@ -17,7 +17,7 @@ * Purpose : Find a 'zero' bit * Prototype: int find_first_zero_bit(void *addr, unsigned int maxbit); */ -__uc32_find_first_zero_bit: +ENTRY(find_first_zero_bit) cxor.a r1, #0 beq 3f mov r2, #0 @@ -29,13 +29,14 @@ __uc32_find_first_zero_bit: bub 1b 3: mov r0, r1 @ no free bits mov pc, lr +ENDPROC(find_first_zero_bit) /* * Purpose : Find next 'zero' bit * Prototype: int find_next_zero_bit * (void *addr, unsigned int maxbit, int offset) */ -ENTRY(__uc32_find_next_zero_bit) +ENTRY(find_next_zero_bit) cxor.a r1, #0 beq 3b and.a ip, r2, #7 @@ -47,14 +48,14 @@ ENTRY(__uc32_find_next_zero_bit) or r2, r2, #7 @ if zero, then no bits here add r2, r2, #1 @ align bit pointer b 2b @ loop for next bit -ENDPROC(__uc32_find_next_zero_bit) +ENDPROC(find_next_zero_bit) /* * Purpose : Find a 'one' bit * Prototype: int find_first_bit * (const unsigned long *addr, unsigned int maxbit); */ -__uc32_find_first_bit: +ENTRY(find_first_bit) cxor.a r1, #0 beq 3f mov r2, #0 @@ -66,13 +67,14 @@ __uc32_find_first_bit: bub 1b 3: mov r0, r1 @ no free bits mov pc, lr +ENDPROC(find_first_bit) /* * Purpose : Find next 'one' bit * Prototype: int find_next_zero_bit * (void *addr, unsigned int maxbit, int offset) */ -ENTRY(__uc32_find_next_bit) +ENTRY(find_next_bit) cxor.a r1, #0 beq 3b and.a ip, r2, #7 @@ -83,7 +85,7 @@ ENTRY(__uc32_find_next_bit) or r2, r2, #7 @ if zero, then no bits here add r2, r2, #1 @ align bit pointer b 2b @ loop for next bit -ENDPROC(__uc32_find_next_bit) +ENDPROC(find_next_bit) /* * One or more bits in the LSB of r3 are assumed to be set. diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 9b7273cb219..1a6c09af048 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -49,6 +49,7 @@ extern unsigned int apic_verbosity; extern int local_apic_timer_c2_ok; extern int disable_apic; +extern unsigned int lapic_timer_frequency; #ifdef CONFIG_SMP extern void __inquire_remote_apic(int apicid); diff --git a/arch/x86/include/asm/mach_traps.h b/arch/x86/include/asm/mach_traps.h index 72a8b52e7df..a01e7ec7d23 100644 --- a/arch/x86/include/asm/mach_traps.h +++ b/arch/x86/include/asm/mach_traps.h @@ -17,7 +17,7 @@ #define NMI_REASON_CLEAR_IOCHK 0x08 #define NMI_REASON_CLEAR_MASK 0x0f -static inline unsigned char get_nmi_reason(void) +static inline unsigned char default_get_nmi_reason(void) { return inb(NMI_REASON_PORT); } diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index c9321f34e55..0e8ae57d365 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -201,7 +201,10 @@ int mce_notify_irq(void); void mce_notify_process(void); DECLARE_PER_CPU(struct mce, injectm); -extern struct file_operations mce_chrdev_ops; + +extern void register_mce_write_callback(ssize_t (*)(struct file *filp, + const char __user *ubuf, + size_t usize, loff_t *off)); /* * Exception handler diff --git a/arch/x86/include/asm/mrst.h b/arch/x86/include/asm/mrst.h index 719f00b28ff..e6283129c82 100644 --- a/arch/x86/include/asm/mrst.h +++ b/arch/x86/include/asm/mrst.h @@ -44,6 +44,13 @@ enum mrst_timer_options { extern enum mrst_timer_options mrst_timer_options; +/* + * Penwell uses spread spectrum clock, so the freq number is not exactly + * the same as reported by MSR based on SDM. + */ +#define PENWELL_FSB_FREQ_83SKU 83200 +#define PENWELL_FSB_FREQ_100SKU 99840 + #define SFI_MTMR_MAX_NUM 8 #define SFI_MRTC_MAX 8 diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index d3d859035af..1971e652d24 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -152,6 +152,7 @@ struct x86_cpuinit_ops { /** * struct x86_platform_ops - platform specific runtime functions * @calibrate_tsc: calibrate TSC + * @wallclock_init: init the wallclock device * @get_wallclock: get time from HW clock like RTC etc. * @set_wallclock: set time back to HW clock * @is_untracked_pat_range exclude from PAT logic @@ -160,11 +161,13 @@ struct x86_cpuinit_ops { */ struct x86_platform_ops { unsigned long (*calibrate_tsc)(void); + void (*wallclock_init)(void); unsigned long (*get_wallclock)(void); int (*set_wallclock)(unsigned long nowtime); void (*iommu_shutdown)(void); bool (*is_untracked_pat_range)(u64 start, u64 end); void (*nmi_init)(void); + unsigned char (*get_nmi_reason)(void); int (*i8042_detect)(void); }; diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index c6382281624..1f84794f075 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -738,5 +738,5 @@ void __kprobes text_poke_smp_batch(struct text_poke_param *params, int n) atomic_set(&stop_machine_first, 1); wrote_text = 0; - __stop_machine(stop_machine_text_poke, (void *)&tpp, NULL); + __stop_machine(stop_machine_text_poke, (void *)&tpp, cpu_online_mask); } diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index a2fd72e0ab3..f98d84caf94 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -186,7 +186,7 @@ static struct resource lapic_resource = { .flags = IORESOURCE_MEM | IORESOURCE_BUSY, }; -static unsigned int calibration_result; +unsigned int lapic_timer_frequency = 0; static void apic_pm_activate(void); @@ -454,7 +454,7 @@ static void lapic_timer_setup(enum clock_event_mode mode, switch (mode) { case CLOCK_EVT_MODE_PERIODIC: case CLOCK_EVT_MODE_ONESHOT: - __setup_APIC_LVTT(calibration_result, + __setup_APIC_LVTT(lapic_timer_frequency, mode != CLOCK_EVT_MODE_PERIODIC, 1); break; case CLOCK_EVT_MODE_UNUSED: @@ -638,6 +638,25 @@ static int __init calibrate_APIC_clock(void) long delta, deltatsc; int pm_referenced = 0; + /** + * check if lapic timer has already been calibrated by platform + * specific routine, such as tsc calibration code. if so, we just fill + * in the clockevent structure and return. + */ + + if (lapic_timer_frequency) { + apic_printk(APIC_VERBOSE, "lapic timer already calibrated %d\n", + lapic_timer_frequency); + lapic_clockevent.mult = div_sc(lapic_timer_frequency/APIC_DIVISOR, + TICK_NSEC, lapic_clockevent.shift); + lapic_clockevent.max_delta_ns = + clockevent_delta2ns(0x7FFFFF, &lapic_clockevent); + lapic_clockevent.min_delta_ns = + clockevent_delta2ns(0xF, &lapic_clockevent); + lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY; + return 0; + } + local_irq_disable(); /* Replace the global interrupt handler */ @@ -679,12 +698,12 @@ static int __init calibrate_APIC_clock(void) lapic_clockevent.min_delta_ns = clockevent_delta2ns(0xF, &lapic_clockevent); - calibration_result = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS; + lapic_timer_frequency = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS; apic_printk(APIC_VERBOSE, "..... delta %ld\n", delta); apic_printk(APIC_VERBOSE, "..... mult: %u\n", lapic_clockevent.mult); apic_printk(APIC_VERBOSE, "..... calibration result: %u\n", - calibration_result); + lapic_timer_frequency); if (cpu_has_tsc) { apic_printk(APIC_VERBOSE, "..... CPU clock speed is " @@ -695,13 +714,13 @@ static int __init calibrate_APIC_clock(void) apic_printk(APIC_VERBOSE, "..... host bus clock speed is " "%u.%04u MHz.\n", - calibration_result / (1000000 / HZ), - calibration_result % (1000000 / HZ)); + lapic_timer_frequency / (1000000 / HZ), + lapic_timer_frequency % (1000000 / HZ)); /* * Do a sanity check on the APIC calibration result */ - if (calibration_result < (1000000 / HZ)) { + if (lapic_timer_frequency < (1000000 / HZ)) { local_irq_enable(); pr_warning("APIC frequency too slow, disabling apic timer\n"); return -1; diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 3c31fa98af6..6d939d7847e 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -193,10 +193,8 @@ int __init arch_early_irq_init(void) struct irq_cfg *cfg; int count, node, i; - if (!legacy_pic->nr_legacy_irqs) { - nr_irqs_gsi = 0; + if (!legacy_pic->nr_legacy_irqs) io_apic_irqs = ~0UL; - } for (i = 0; i < nr_ioapics; i++) { ioapics[i].saved_registers = @@ -1696,6 +1694,7 @@ __apicdebuginit(void) print_IO_APICs(void) int ioapic_idx; struct irq_cfg *cfg; unsigned int irq; + struct irq_chip *chip; printk(KERN_DEBUG "number of MP IRQ sources: %d.\n", mp_irq_entries); for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++) @@ -1716,6 +1715,10 @@ __apicdebuginit(void) print_IO_APICs(void) for_each_active_irq(irq) { struct irq_pin_list *entry; + chip = irq_get_chip(irq); + if (chip != &ioapic_chip) + continue; + cfg = irq_get_chip_data(irq); if (!cfg) continue; diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c index 6199232161c..319882ef848 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-inject.c +++ b/arch/x86/kernel/cpu/mcheck/mce-inject.c @@ -208,7 +208,7 @@ static int inject_init(void) if (!alloc_cpumask_var(&mce_inject_cpumask, GFP_KERNEL)) return -ENOMEM; printk(KERN_INFO "Machine check injector initialized\n"); - mce_chrdev_ops.write = mce_write; + register_mce_write_callback(mce_write); register_nmi_handler(NMI_LOCAL, mce_raise_notify, 0, "mce_notify"); return 0; diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 362056aefeb..2af127d4c3d 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -1634,16 +1634,35 @@ static long mce_chrdev_ioctl(struct file *f, unsigned int cmd, } } -/* Modified in mce-inject.c, so not static or const */ -struct file_operations mce_chrdev_ops = { +static ssize_t (*mce_write)(struct file *filp, const char __user *ubuf, + size_t usize, loff_t *off); + +void register_mce_write_callback(ssize_t (*fn)(struct file *filp, + const char __user *ubuf, + size_t usize, loff_t *off)) +{ + mce_write = fn; +} +EXPORT_SYMBOL_GPL(register_mce_write_callback); + +ssize_t mce_chrdev_write(struct file *filp, const char __user *ubuf, + size_t usize, loff_t *off) +{ + if (mce_write) + return mce_write(filp, ubuf, usize, off); + else + return -EINVAL; +} + +static const struct file_operations mce_chrdev_ops = { .open = mce_chrdev_open, .release = mce_chrdev_release, .read = mce_chrdev_read, + .write = mce_chrdev_write, .poll = mce_chrdev_poll, .unlocked_ioctl = mce_chrdev_ioctl, .llseek = no_llseek, }; -EXPORT_SYMBOL_GPL(mce_chrdev_ops); static struct miscdevice mce_chrdev_device = { MISC_MCELOG_MINOR, diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c index b9c8628974a..e88f37b58dd 100644 --- a/arch/x86/kernel/nmi.c +++ b/arch/x86/kernel/nmi.c @@ -29,6 +29,7 @@ #include <asm/traps.h> #include <asm/mach_traps.h> #include <asm/nmi.h> +#include <asm/x86_init.h> #define NMI_MAX_NAMELEN 16 struct nmiaction { @@ -348,7 +349,7 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs) /* Non-CPU-specific NMI: NMI sources can be processed on any CPU */ raw_spin_lock(&nmi_reason_lock); - reason = get_nmi_reason(); + reason = x86_platform.get_nmi_reason(); if (reason & NMI_REASON_MASK) { if (reason & NMI_REASON_SERR) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index afaf38447ef..cf0ef986cb6 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1045,6 +1045,8 @@ void __init setup_arch(char **cmdline_p) x86_init.timers.wallclock_init(); + x86_platform.wallclock_init(); + mcheck_init(); arch_init_ideal_nops(); diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c index 6f164bd5e14..c1d6cd54939 100644 --- a/arch/x86/kernel/x86_init.c +++ b/arch/x86/kernel/x86_init.c @@ -21,12 +21,14 @@ #include <asm/pat.h> #include <asm/tsc.h> #include <asm/iommu.h> +#include <asm/mach_traps.h> void __cpuinit x86_init_noop(void) { } void __init x86_init_uint_noop(unsigned int unused) { } void __init x86_init_pgd_noop(pgd_t *unused) { } int __init iommu_init_noop(void) { return 0; } void iommu_shutdown_noop(void) { } +void wallclock_init_noop(void) { } /* * The platform setup functions are preset with the default functions @@ -97,11 +99,13 @@ static int default_i8042_detect(void) { return 1; }; struct x86_platform_ops x86_platform = { .calibrate_tsc = native_calibrate_tsc, + .wallclock_init = wallclock_init_noop, .get_wallclock = mach_get_cmos_time, .set_wallclock = mach_set_rtc_mmss, .iommu_shutdown = iommu_shutdown_noop, .is_untracked_pat_range = is_ISA_range, .nmi_init = default_nmi_init, + .get_nmi_reason = default_get_nmi_reason, .i8042_detect = default_i8042_detect }; diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c index 541020df0da..b1489a06a49 100644 --- a/arch/x86/platform/mrst/mrst.c +++ b/arch/x86/platform/mrst/mrst.c @@ -187,11 +187,34 @@ int __init sfi_parse_mrtc(struct sfi_table_header *table) static unsigned long __init mrst_calibrate_tsc(void) { unsigned long flags, fast_calibrate; - - local_irq_save(flags); - fast_calibrate = apbt_quick_calibrate(); - local_irq_restore(flags); - + if (__mrst_cpu_chip == MRST_CPU_CHIP_PENWELL) { + u32 lo, hi, ratio, fsb; + + rdmsr(MSR_IA32_PERF_STATUS, lo, hi); + pr_debug("IA32 perf status is 0x%x, 0x%0x\n", lo, hi); + ratio = (hi >> 8) & 0x1f; + pr_debug("ratio is %d\n", ratio); + if (!ratio) { + pr_err("read a zero ratio, should be incorrect!\n"); + pr_err("force tsc ratio to 16 ...\n"); + ratio = 16; + } + rdmsr(MSR_FSB_FREQ, lo, hi); + if ((lo & 0x7) == 0x7) + fsb = PENWELL_FSB_FREQ_83SKU; + else + fsb = PENWELL_FSB_FREQ_100SKU; + fast_calibrate = ratio * fsb; + pr_debug("read penwell tsc %lu khz\n", fast_calibrate); + lapic_timer_frequency = fsb * 1000 / HZ; + /* mark tsc clocksource as reliable */ + set_cpu_cap(&boot_cpu_data, X86_FEATURE_TSC_RELIABLE); + } else { + local_irq_save(flags); + fast_calibrate = apbt_quick_calibrate(); + local_irq_restore(flags); + } + if (fast_calibrate) return fast_calibrate; @@ -254,6 +277,17 @@ static void mrst_reboot(void) } /* + * Moorestown does not have external NMI source nor port 0x61 to report + * NMI status. The possible NMI sources are from pmu as a result of NMI + * watchdog or lock debug. Reading io port 0x61 results in 0xff which + * misled NMI handler. + */ +static unsigned char mrst_get_nmi_reason(void) +{ + return 0; +} + +/* * Moorestown specific x86_init function overrides and early setup * calls. */ @@ -274,6 +308,8 @@ void __init x86_mrst_early_setup(void) x86_platform.calibrate_tsc = mrst_calibrate_tsc; x86_platform.i8042_detect = mrst_i8042_detect; x86_init.timers.wallclock_init = mrst_rtc_init; + x86_platform.get_nmi_reason = mrst_get_nmi_reason; + x86_init.pci.init = pci_mrst_init; x86_init.pci.fixup_irqs = x86_init_noop; diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index da8afd576a6..1f928659c33 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1356,7 +1356,7 @@ static int __cpuinit xen_hvm_cpu_notify(struct notifier_block *self, int cpu = (long)hcpu; switch (action) { case CPU_UP_PREPARE: - per_cpu(xen_vcpu, cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu]; + xen_vcpu_setup(cpu); if (xen_have_vector_callback) xen_init_lock_cpu(cpu); break; @@ -1386,7 +1386,6 @@ static void __init xen_hvm_guest_init(void) xen_hvm_smp_init(); register_cpu_notifier(&xen_hvm_cpu_notifier); xen_unplug_emulated_devices(); - have_vcpu_info_placement = 0; x86_init.irqs.intr_init = xen_init_IRQ; xen_hvm_init_time_ops(); xen_hvm_init_mmu_ops(); diff --git a/arch/x86/xen/grant-table.c b/arch/x86/xen/grant-table.c index 6bbfd7ac5e8..5a40d24ba33 100644 --- a/arch/x86/xen/grant-table.c +++ b/arch/x86/xen/grant-table.c @@ -71,7 +71,7 @@ int arch_gnttab_map_shared(unsigned long *frames, unsigned long nr_gframes, if (shared == NULL) { struct vm_struct *area = - alloc_vm_area(PAGE_SIZE * max_nr_gframes); + alloc_vm_area(PAGE_SIZE * max_nr_gframes, NULL); BUG_ON(area == NULL); shared = area->addr; *__shared = shared; diff --git a/block/blk-core.c b/block/blk-core.c index f43c8a5840a..ea70e6c80cd 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1379,15 +1379,19 @@ get_rq: */ if (list_empty(&plug->list)) trace_block_plug(q); - else if (!plug->should_sort) { - struct request *__rq; + else { + if (!plug->should_sort) { + struct request *__rq; - __rq = list_entry_rq(plug->list.prev); - if (__rq->q != q) - plug->should_sort = 1; + __rq = list_entry_rq(plug->list.prev); + if (__rq->q != q) + plug->should_sort = 1; + } + if (request_count >= BLK_MAX_REQUEST_COUNT) { + blk_flush_plug_list(plug, false); + trace_block_plug(q); + } } - if (request_count >= BLK_MAX_REQUEST_COUNT) - blk_flush_plug_list(plug, false); list_add_tail(&req->queuelist, &plug->list); drive_stat_acct(req, 1); } else { diff --git a/block/blk-map.c b/block/blk-map.c index e663ac2d8e6..164cd005970 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -204,10 +204,11 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, if (!iov[i].iov_len) return -EINVAL; - if (uaddr & queue_dma_alignment(q)) { + /* + * Keep going so we check length of all segments + */ + if (uaddr & queue_dma_alignment(q)) unaligned = 1; - break; - } } if (unaligned || (q->dma_pad_mask & len) || map_data) diff --git a/block/genhd.c b/block/genhd.c index 9253839714f..02e9fca8082 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -19,7 +19,6 @@ #include <linux/mutex.h> #include <linux/idr.h> #include <linux/log2.h> -#include <linux/ctype.h> #include "blk.h" @@ -916,74 +915,6 @@ static int __init genhd_device_init(void) subsys_initcall(genhd_device_init); -static ssize_t alias_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct gendisk *disk = dev_to_disk(dev); - ssize_t ret = 0; - - if (disk->alias) - ret = snprintf(buf, ALIAS_LEN, "%s\n", disk->alias); - return ret; -} - -static ssize_t alias_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct gendisk *disk = dev_to_disk(dev); - char *alias; - char *envp[] = { NULL, NULL }; - unsigned char c; - int i; - ssize_t ret = count; - - if (!count) - return -EINVAL; - - if (count >= ALIAS_LEN) { - printk(KERN_ERR "alias: alias is too long\n"); - return -EINVAL; - } - - /* Validation check */ - for (i = 0; i < count; i++) { - c = buf[i]; - if (i == count - 1 && c == '\n') - break; - if (!isalnum(c) && c != '_' && c != '-') { - printk(KERN_ERR "alias: invalid alias\n"); - return -EINVAL; - } - } - - if (disk->alias) { - printk(KERN_INFO "alias: %s is already assigned (%s)\n", - disk->disk_name, disk->alias); - return -EINVAL; - } - - alias = kasprintf(GFP_KERNEL, "%s", buf); - if (!alias) - return -ENOMEM; - - if (alias[count - 1] == '\n') - alias[count - 1] = '\0'; - - envp[0] = kasprintf(GFP_KERNEL, "ALIAS=%s", alias); - if (!envp[0]) { - kfree(alias); - return -ENOMEM; - } - - disk->alias = alias; - printk(KERN_INFO "alias: assigned %s to %s\n", alias, disk->disk_name); - - kobject_uevent_env(&dev->kobj, KOBJ_ADD, envp); - - kfree(envp[0]); - return ret; -} - static ssize_t disk_range_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -1043,7 +974,6 @@ static ssize_t disk_discard_alignment_show(struct device *dev, return sprintf(buf, "%d\n", queue_discard_alignment(disk->queue)); } -static DEVICE_ATTR(alias, S_IRUGO|S_IWUSR, alias_show, alias_store); static DEVICE_ATTR(range, S_IRUGO, disk_range_show, NULL); static DEVICE_ATTR(ext_range, S_IRUGO, disk_ext_range_show, NULL); static DEVICE_ATTR(removable, S_IRUGO, disk_removable_show, NULL); @@ -1066,7 +996,6 @@ static struct device_attribute dev_attr_fail_timeout = #endif static struct attribute *disk_attrs[] = { - &dev_attr_alias.attr, &dev_attr_range.attr, &dev_attr_ext_range.attr, &dev_attr_removable.attr, diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 486f94ef24d..8004ac30a7a 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -24,6 +24,7 @@ #include <linux/interrupt.h> #include <linux/types.h> #include <linux/pci.h> +#include <linux/pci-aspm.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/delay.h> @@ -4319,6 +4320,10 @@ static int __devinit cciss_pci_init(ctlr_info_t *h) dev_warn(&h->pdev->dev, "controller appears to be disabled\n"); return -ENODEV; } + + pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S | + PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM); + err = pci_enable_device(h->pdev); if (err) { dev_warn(&h->pdev->dev, "Unable to Enable PCI device\n"); @@ -5158,6 +5163,7 @@ reinit_after_soft_reset: h->cciss_max_sectors = 8192; rebuild_lun_table(h, 1, 0); + cciss_engage_scsi(h); h->busy_initializing = 0; return 1; diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c index 951a4e33b92..e820b68d2f6 100644 --- a/drivers/block/cciss_scsi.c +++ b/drivers/block/cciss_scsi.c @@ -1720,5 +1720,6 @@ static int cciss_eh_abort_handler(struct scsi_cmnd *scsicmd) /* If no tape support, then these become defined out of existence */ #define cciss_scsi_setup(cntl_num) +#define cciss_engage_scsi(h) #endif /* CONFIG_CISS_SCSI_TAPE */ diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 3d806820280..68b205a9338 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -161,17 +161,19 @@ static struct loop_func_table *xfer_funcs[MAX_LO_CRYPT] = { &xor_funcs }; -static loff_t get_loop_size(struct loop_device *lo, struct file *file) +static loff_t get_size(loff_t offset, loff_t sizelimit, struct file *file) { - loff_t size, offset, loopsize; + loff_t size, loopsize; /* Compute loopsize in bytes */ size = i_size_read(file->f_mapping->host); - offset = lo->lo_offset; loopsize = size - offset; - if (lo->lo_sizelimit > 0 && lo->lo_sizelimit < loopsize) - loopsize = lo->lo_sizelimit; + /* offset is beyond i_size, wierd but possible */ + if (loopsize < 0) + return 0; + if (sizelimit > 0 && sizelimit < loopsize) + loopsize = sizelimit; /* * Unfortunately, if we want to do I/O on the device, * the number of 512-byte sectors has to fit into a sector_t. @@ -179,17 +181,25 @@ static loff_t get_loop_size(struct loop_device *lo, struct file *file) return loopsize >> 9; } +static loff_t get_loop_size(struct loop_device *lo, struct file *file) +{ + return get_size(lo->lo_offset, lo->lo_sizelimit, file); +} + static int -figure_loop_size(struct loop_device *lo) +figure_loop_size(struct loop_device *lo, loff_t offset, loff_t sizelimit) { - loff_t size = get_loop_size(lo, lo->lo_backing_file); + loff_t size = get_size(offset, sizelimit, lo->lo_backing_file); sector_t x = (sector_t)size; if (unlikely((loff_t)x != size)) return -EFBIG; - + if (lo->lo_offset != offset) + lo->lo_offset = offset; + if (lo->lo_sizelimit != sizelimit) + lo->lo_sizelimit = sizelimit; set_capacity(lo->lo_disk, x); - return 0; + return 0; } static inline int @@ -372,7 +382,8 @@ do_lo_receive(struct loop_device *lo, if (retval < 0) return retval; - + if (retval != bvec->bv_len) + return -EIO; return 0; } @@ -1058,9 +1069,7 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info) if (lo->lo_offset != info->lo_offset || lo->lo_sizelimit != info->lo_sizelimit) { - lo->lo_offset = info->lo_offset; - lo->lo_sizelimit = info->lo_sizelimit; - if (figure_loop_size(lo)) + if (figure_loop_size(lo, info->lo_offset, info->lo_sizelimit)) return -EFBIG; } loop_config_discard(lo); @@ -1246,7 +1255,7 @@ static int loop_set_capacity(struct loop_device *lo, struct block_device *bdev) err = -ENXIO; if (unlikely(lo->lo_state != Lo_bound)) goto out; - err = figure_loop_size(lo); + err = figure_loop_size(lo, lo->lo_offset, lo->lo_sizelimit); if (unlikely(err)) goto out; sec = get_capacity(lo->lo_disk); @@ -1284,13 +1293,19 @@ static int lo_ioctl(struct block_device *bdev, fmode_t mode, goto out_unlocked; break; case LOOP_SET_STATUS: - err = loop_set_status_old(lo, (struct loop_info __user *) arg); + err = -EPERM; + if ((mode & FMODE_WRITE) || capable(CAP_SYS_ADMIN)) + err = loop_set_status_old(lo, + (struct loop_info __user *)arg); break; case LOOP_GET_STATUS: err = loop_get_status_old(lo, (struct loop_info __user *) arg); break; case LOOP_SET_STATUS64: - err = loop_set_status64(lo, (struct loop_info64 __user *) arg); + err = -EPERM; + if ((mode & FMODE_WRITE) || capable(CAP_SYS_ADMIN)) + err = loop_set_status64(lo, + (struct loop_info64 __user *) arg); break; case LOOP_GET_STATUS64: err = loop_get_status64(lo, (struct loop_info64 __user *) arg); diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c index 6b9a2000d56..a79fb4f7ff6 100644 --- a/drivers/block/paride/pg.c +++ b/drivers/block/paride/pg.c @@ -630,6 +630,7 @@ static ssize_t pg_read(struct file *filp, char __user *buf, size_t count, loff_t if (dev->status & 0x10) return -ETIME; + memset(&hdr, 0, sizeof(hdr)); hdr.magic = PG_MAGIC; hdr.dlen = dev->dlen; copy = 0; diff --git a/drivers/char/random.c b/drivers/char/random.c index 63e19ba56bb..6035ab8d5ef 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -941,7 +941,7 @@ void get_random_bytes(void *buf, int nbytes) if (!arch_get_random_long(&v)) break; - memcpy(buf, &v, chunk); + memcpy(p, &v, chunk); p += chunk; nbytes -= chunk; } diff --git a/drivers/ide/cy82c693.c b/drivers/ide/cy82c693.c index 67cbcfa3512..847553fd8b9 100644 --- a/drivers/ide/cy82c693.c +++ b/drivers/ide/cy82c693.c @@ -1,7 +1,7 @@ /* * Copyright (C) 1998-2000 Andreas S. Krebs (akrebs@altavista.net), Maintainer * Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>, Integrator - * Copyright (C) 2007-2010 Bartlomiej Zolnierkiewicz + * Copyright (C) 2007-2011 Bartlomiej Zolnierkiewicz * * CYPRESS CY82C693 chipset IDE controller * @@ -90,7 +90,7 @@ static void cy82c693_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive) u8 time_16, time_8; /* select primary or secondary channel */ - if (hwif->index > 0) { /* drive is on the secondary channel */ + if (drive->dn > 1) { /* drive is on the secondary channel */ dev = pci_get_slot(dev->bus, dev->devfn+1); if (!dev) { printk(KERN_ERR "%s: tune_drive: " @@ -141,7 +141,7 @@ static void cy82c693_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive) pci_write_config_byte(dev, CY82_IDE_SLAVE_IOW, time_16); pci_write_config_byte(dev, CY82_IDE_SLAVE_8BIT, time_8); } - if (hwif->index > 0) + if (drive->dn > 1) pci_dev_put(dev); } diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c index 4a697a238e2..8716066a2f2 100644 --- a/drivers/ide/icside.c +++ b/drivers/ide/icside.c @@ -521,8 +521,8 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) if (ec->dma != NO_DMA && !request_dma(ec->dma, DRV_NAME)) { d.init_dma = icside_dma_init; d.port_ops = &icside_v6_port_ops; + } else d.dma_ops = NULL; - } ret = ide_host_register(host, &d, hws); if (ret) diff --git a/drivers/ide/piix.c b/drivers/ide/piix.c index b59d04c7205..1892e81fb00 100644 --- a/drivers/ide/piix.c +++ b/drivers/ide/piix.c @@ -331,7 +331,7 @@ static const struct ide_port_ops ich_port_ops = { .udma_mask = udma, \ } -#define DECLARE_ICH_DEV(udma) \ +#define DECLARE_ICH_DEV(mwdma, udma) \ { \ .name = DRV_NAME, \ .init_chipset = init_chipset_ich, \ @@ -340,7 +340,7 @@ static const struct ide_port_ops ich_port_ops = { .port_ops = &ich_port_ops, \ .pio_mask = ATA_PIO4, \ .swdma_mask = ATA_SWDMA2_ONLY, \ - .mwdma_mask = ATA_MWDMA12_ONLY, \ + .mwdma_mask = mwdma, \ .udma_mask = udma, \ } @@ -362,13 +362,15 @@ static const struct ide_port_info piix_pci_info[] __devinitdata = { /* 2: PIIX4 */ DECLARE_PIIX_DEV(ATA_UDMA2), /* 3: ICH0 */ - DECLARE_ICH_DEV(ATA_UDMA2), + DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA2), /* 4: ICH */ - DECLARE_ICH_DEV(ATA_UDMA4), + DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA4), /* 5: PIIX4 */ DECLARE_PIIX_DEV(ATA_UDMA4), - /* 6: ICH[2-7]/ICH[2-3]M/C-ICH/ICH5-SATA/ESB2/ICH8M */ - DECLARE_ICH_DEV(ATA_UDMA5), + /* 6: ICH[2-6]/ICH[2-3]M/C-ICH/ICH5-SATA/ESB2/ICH8M */ + DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA5), + /* 7: ICH7/7-R, no MWDMA1 */ + DECLARE_ICH_DEV(ATA_MWDMA2_ONLY, ATA_UDMA5), }; /** @@ -438,9 +440,9 @@ static const struct pci_device_id piix_pci_tbl[] = { #endif { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB_2), 6 }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH6_19), 6 }, - { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21), 6 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21), 7 }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801DB_1), 6 }, - { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18), 6 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18), 7 }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH8_6), 6 }, { 0, }, }; diff --git a/drivers/ide/triflex.c b/drivers/ide/triflex.c index e53a1b78378..281c9142634 100644 --- a/drivers/ide/triflex.c +++ b/drivers/ide/triflex.c @@ -113,12 +113,26 @@ static const struct pci_device_id triflex_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, triflex_pci_tbl); +#ifdef CONFIG_PM +static int triflex_ide_pci_suspend(struct pci_dev *dev, pm_message_t state) +{ + /* + * We must not disable or powerdown the device. + * APM bios refuses to suspend if IDE is not accessible. + */ + pci_save_state(dev); + return 0; +} +#else +#define triflex_ide_pci_suspend NULL +#endif + static struct pci_driver triflex_pci_driver = { .name = "TRIFLEX_IDE", .id_table = triflex_pci_tbl, .probe = triflex_init_one, .remove = ide_pci_remove, - .suspend = ide_pci_suspend, + .suspend = triflex_ide_pci_suspend, .resume = ide_pci_resume, }; diff --git a/drivers/misc/carma/carma-fpga-program.c b/drivers/misc/carma/carma-fpga-program.c index 7ce6065dc20..eb5cd28bc6d 100644 --- a/drivers/misc/carma/carma-fpga-program.c +++ b/drivers/misc/carma/carma-fpga-program.c @@ -945,8 +945,7 @@ static int fpga_of_remove(struct platform_device *op) /* CTL-CPLD Version Register */ #define CTL_CPLD_VERSION 0x2000 -static int fpga_of_probe(struct platform_device *op, - const struct of_device_id *match) +static int fpga_of_probe(struct platform_device *op) { struct device_node *of_node = op->dev.of_node; struct device *this_device; @@ -1107,7 +1106,7 @@ static struct of_device_id fpga_of_match[] = { {}, }; -static struct of_platform_driver fpga_of_driver = { +static struct platform_driver fpga_of_driver = { .probe = fpga_of_probe, .remove = fpga_of_remove, .driver = { @@ -1124,12 +1123,12 @@ static struct of_platform_driver fpga_of_driver = { static int __init fpga_init(void) { led_trigger_register_simple("fpga", &ledtrig_fpga); - return of_register_platform_driver(&fpga_of_driver); + return platform_driver_register(&fpga_of_driver); } static void __exit fpga_exit(void) { - of_unregister_platform_driver(&fpga_of_driver); + platform_driver_unregister(&fpga_of_driver); led_trigger_unregister_simple(ledtrig_fpga); } diff --git a/drivers/misc/carma/carma-fpga.c b/drivers/misc/carma/carma-fpga.c index 3965821fef1..14e974b2a78 100644 --- a/drivers/misc/carma/carma-fpga.c +++ b/drivers/misc/carma/carma-fpga.c @@ -1249,8 +1249,7 @@ static bool dma_filter(struct dma_chan *chan, void *data) return true; } -static int data_of_probe(struct platform_device *op, - const struct of_device_id *match) +static int data_of_probe(struct platform_device *op) { struct device_node *of_node = op->dev.of_node; struct device *this_device; @@ -1401,7 +1400,7 @@ static struct of_device_id data_of_match[] = { {}, }; -static struct of_platform_driver data_of_driver = { +static struct platform_driver data_of_driver = { .probe = data_of_probe, .remove = data_of_remove, .driver = { @@ -1417,12 +1416,12 @@ static struct of_platform_driver data_of_driver = { static int __init data_init(void) { - return of_register_platform_driver(&data_of_driver); + return platform_driver_register(&data_of_driver); } static void __exit data_exit(void) { - of_unregister_platform_driver(&data_of_driver); + platform_driver_unregister(&data_of_driver); } MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>"); diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index a43cfd906c6..d93e962f261 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -589,14 +589,14 @@ static const struct backlight_ops dell_ops = { .update_status = dell_send_intensity, }; -static void touchpad_led_on() +static void touchpad_led_on(void) { int command = 0x97; char data = 1; i8042_command(&data, command | 1 << 12); } -static void touchpad_led_off() +static void touchpad_led_off(void) { int command = 0x97; char data = 2; diff --git a/drivers/rtc/rtc-puv3.c b/drivers/rtc/rtc-puv3.c index b3eba3cddd4..e4b6880aabd 100644 --- a/drivers/rtc/rtc-puv3.c +++ b/drivers/rtc/rtc-puv3.c @@ -220,7 +220,7 @@ static void puv3_rtc_enable(struct platform_device *pdev, int en) } } -static int puv3_rtc_remove(struct platform_device *dev) +static int __devexit puv3_rtc_remove(struct platform_device *dev) { struct rtc_device *rtc = platform_get_drvdata(dev); @@ -236,7 +236,7 @@ static int puv3_rtc_remove(struct platform_device *dev) return 0; } -static int puv3_rtc_probe(struct platform_device *pdev) +static int __devinit puv3_rtc_probe(struct platform_device *pdev) { struct rtc_device *rtc; struct resource *res; diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index 4aa76d6f11d..705e13e470a 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -38,6 +38,7 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/pci.h> +#include <linux/pci-aspm.h> #include <linux/slab.h> #include <linux/mutex.h> #include <linux/spinlock.h> @@ -1109,6 +1110,9 @@ static int __devinit aac_probe_one(struct pci_dev *pdev, unique_id++; } + pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | + PCIE_LINK_STATE_CLKPM); + error = pci_enable_device(pdev); if (error) goto out; diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index e76107b2ade..865d452542b 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -23,6 +23,7 @@ #include <linux/interrupt.h> #include <linux/types.h> #include <linux/pci.h> +#include <linux/pci-aspm.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/delay.h> @@ -3922,6 +3923,10 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h) dev_warn(&h->pdev->dev, "controller appears to be disabled\n"); return -ENODEV; } + + pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S | + PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM); + err = pci_enable_device(h->pdev); if (err) { dev_warn(&h->pdev->dev, "unable to enable PCI device\n"); diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index 8889b1babca..4e041f6d808 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -2802,6 +2802,11 @@ _scsih_error_recovery_delete_devices(struct MPT2SAS_ADAPTER *ioc) if (ioc->is_driver_loading) return; + + fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); + if (!fw_event) + return; + fw_event->event = MPT2SAS_REMOVE_UNRESPONDING_DEVICES; fw_event->ioc = ioc; _scsih_fw_event_add(ioc, fw_event); diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 06bc26554a6..f85cfa6c47b 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1409,6 +1409,8 @@ static void scsi_kill_request(struct request *req, struct request_queue *q) blk_start_request(req); + scmd_printk(KERN_INFO, cmd, "killing request\n"); + sdev = cmd->device; starget = scsi_target(sdev); shost = sdev->host; @@ -1490,7 +1492,6 @@ static void scsi_request_fn(struct request_queue *q) struct request *req; if (!sdev) { - printk("scsi: killing requests for dead queue\n"); while ((req = blk_peek_request(q)) != NULL) scsi_kill_request(req, q); return; diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 72273a0e566..b3c6d957fbd 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -319,11 +319,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget, return sdev; out_device_destroy: - scsi_device_set_state(sdev, SDEV_DEL); - transport_destroy_device(&sdev->sdev_gendev); - put_device(&sdev->sdev_dev); - scsi_free_queue(sdev->request_queue); - put_device(&sdev->sdev_gendev); + __scsi_remove_device(sdev); out: if (display_failure_msg) printk(ALLOC_FAILURE_MSG, __func__); diff --git a/drivers/staging/media/as102/as102_drv.c b/drivers/staging/media/as102/as102_drv.c index d335c7d6fa0..828526d4c28 100644 --- a/drivers/staging/media/as102/as102_drv.c +++ b/drivers/staging/media/as102/as102_drv.c @@ -32,8 +32,8 @@ #include "as102_fw.h" #include "dvbdev.h" -int debug; -module_param_named(debug, debug, int, 0644); +int as102_debug; +module_param_named(debug, as102_debug, int, 0644); MODULE_PARM_DESC(debug, "Turn on/off debugging (default: off)"); int dual_tuner; diff --git a/drivers/staging/media/as102/as102_drv.h b/drivers/staging/media/as102/as102_drv.h index bcda635b5a9..fd33f5a12dc 100644 --- a/drivers/staging/media/as102/as102_drv.h +++ b/drivers/staging/media/as102/as102_drv.h @@ -37,7 +37,8 @@ extern struct spi_driver as102_spi_driver; #define DRIVER_FULL_NAME "Abilis Systems as10x usb driver" #define DRIVER_NAME "as10x_usb" -extern int debug; +extern int as102_debug; +#define debug as102_debug #define dprintk(debug, args...) \ do { if (debug) { \ diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index b2c44e1d581..d786ba31fc0 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -1717,7 +1717,7 @@ static void dtd_complete_irq(struct fsl_udc *udc) static inline enum usb_device_speed portscx_device_speed(u32 reg) { - switch (speed & PORTSCX_PORT_SPEED_MASK) { + switch (reg & PORTSCX_PORT_SPEED_MASK) { case PORTSCX_PORT_SPEED_HIGH: return USB_SPEED_HIGH; case PORTSCX_PORT_SPEED_FULL: diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index a767884a6c7..31ab82fda38 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -501,7 +501,7 @@ EXPORT_SYMBOL_GPL(balloon_set_new_target); * alloc_xenballooned_pages - get pages that have been ballooned out * @nr_pages: Number of pages to get * @pages: pages returned - * @highmem: highmem or lowmem pages + * @highmem: allow highmem pages * @return 0 on success, error otherwise */ int alloc_xenballooned_pages(int nr_pages, struct page **pages, bool highmem) @@ -511,7 +511,7 @@ int alloc_xenballooned_pages(int nr_pages, struct page **pages, bool highmem) mutex_lock(&balloon_mutex); while (pgno < nr_pages) { page = balloon_retrieve(highmem); - if (page && PageHighMem(page) == highmem) { + if (page && (highmem || !PageHighMem(page))) { pages[pgno++] = page; } else { enum bp_state st; diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c index f6832f46aea..e1c4c6e5b46 100644 --- a/drivers/xen/gntalloc.c +++ b/drivers/xen/gntalloc.c @@ -135,7 +135,7 @@ static int add_grefs(struct ioctl_gntalloc_alloc_gref *op, /* Grant foreign access to the page. */ gref->gref_id = gnttab_grant_foreign_access(op->domid, pfn_to_mfn(page_to_pfn(gref->page)), readonly); - if (gref->gref_id < 0) { + if ((int)gref->gref_id < 0) { rc = gref->gref_id; goto undo; } @@ -280,7 +280,7 @@ static long gntalloc_ioctl_alloc(struct gntalloc_file_private_data *priv, goto out; } - gref_ids = kzalloc(sizeof(gref_ids[0]) * op.count, GFP_TEMPORARY); + gref_ids = kcalloc(op.count, sizeof(gref_ids[0]), GFP_TEMPORARY); if (!gref_ids) { rc = -ENOMEM; goto out; diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 39871326afa..afca14d9042 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -114,11 +114,11 @@ static struct grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count) if (NULL == add) return NULL; - add->grants = kzalloc(sizeof(add->grants[0]) * count, GFP_KERNEL); - add->map_ops = kzalloc(sizeof(add->map_ops[0]) * count, GFP_KERNEL); - add->unmap_ops = kzalloc(sizeof(add->unmap_ops[0]) * count, GFP_KERNEL); - add->kmap_ops = kzalloc(sizeof(add->kmap_ops[0]) * count, GFP_KERNEL); - add->pages = kzalloc(sizeof(add->pages[0]) * count, GFP_KERNEL); + add->grants = kcalloc(count, sizeof(add->grants[0]), GFP_KERNEL); + add->map_ops = kcalloc(count, sizeof(add->map_ops[0]), GFP_KERNEL); + add->unmap_ops = kcalloc(count, sizeof(add->unmap_ops[0]), GFP_KERNEL); + add->kmap_ops = kcalloc(count, sizeof(add->kmap_ops[0]), GFP_KERNEL); + add->pages = kcalloc(count, sizeof(add->pages[0]), GFP_KERNEL); if (NULL == add->grants || NULL == add->map_ops || NULL == add->unmap_ops || diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c index 81c3ce6b8bb..1906125eab4 100644 --- a/drivers/xen/xenbus/xenbus_client.c +++ b/drivers/xen/xenbus/xenbus_client.c @@ -35,6 +35,7 @@ #include <linux/vmalloc.h> #include <linux/export.h> #include <asm/xen/hypervisor.h> +#include <asm/xen/page.h> #include <xen/interface/xen.h> #include <xen/interface/event_channel.h> #include <xen/events.h> @@ -436,19 +437,20 @@ EXPORT_SYMBOL_GPL(xenbus_free_evtchn); int xenbus_map_ring_valloc(struct xenbus_device *dev, int gnt_ref, void **vaddr) { struct gnttab_map_grant_ref op = { - .flags = GNTMAP_host_map, + .flags = GNTMAP_host_map | GNTMAP_contains_pte, .ref = gnt_ref, .dom = dev->otherend_id, }; struct vm_struct *area; + pte_t *pte; *vaddr = NULL; - area = alloc_vm_area(PAGE_SIZE); + area = alloc_vm_area(PAGE_SIZE, &pte); if (!area) return -ENOMEM; - op.host_addr = (unsigned long)area->addr; + op.host_addr = arbitrary_virt_to_machine(pte).maddr; if (HYPERVISOR_grant_table_op(GNTTABOP_map_grant_ref, &op, 1)) BUG(); @@ -527,6 +529,7 @@ int xenbus_unmap_ring_vfree(struct xenbus_device *dev, void *vaddr) struct gnttab_unmap_grant_ref op = { .host_addr = (unsigned long)vaddr, }; + unsigned int level; /* It'd be nice if linux/vmalloc.h provided a find_vm_area(void *addr) * method so that we don't have to muck with vmalloc internals here. @@ -548,6 +551,8 @@ int xenbus_unmap_ring_vfree(struct xenbus_device *dev, void *vaddr) } op.handle = (grant_handle_t)area->phys_addr; + op.host_addr = arbitrary_virt_to_machine( + lookup_address((unsigned long)vaddr, &level)).maddr; if (HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, &op, 1)) BUG(); @@ -337,7 +337,7 @@ static void bio_fs_destructor(struct bio *bio) * RETURNS: * Pointer to new bio on success, NULL on failure. */ -struct bio *bio_alloc(gfp_t gfp_mask, int nr_iovecs) +struct bio *bio_alloc(gfp_t gfp_mask, unsigned int nr_iovecs) { struct bio *bio = bio_alloc_bioset(gfp_mask, nr_iovecs, fs_bio_set); @@ -365,7 +365,7 @@ static void bio_kmalloc_destructor(struct bio *bio) * %__GFP_WAIT, the allocation is guaranteed to succeed. * **/ -struct bio *bio_kmalloc(gfp_t gfp_mask, int nr_iovecs) +struct bio *bio_kmalloc(gfp_t gfp_mask, unsigned int nr_iovecs) { struct bio *bio; @@ -696,7 +696,8 @@ static void bio_free_map_data(struct bio_map_data *bmd) kfree(bmd); } -static struct bio_map_data *bio_alloc_map_data(int nr_segs, int iov_count, +static struct bio_map_data *bio_alloc_map_data(int nr_segs, + unsigned int iov_count, gfp_t gfp_mask) { struct bio_map_data *bmd; diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 5cff443f6cd..0bbb1a41998 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -674,7 +674,8 @@ xfs_qm_dqattach_one( * disk and we didn't ask it to allocate; * ESRCH if quotas got turned off suddenly. */ - error = xfs_qm_dqget(ip->i_mount, ip, id, type, XFS_QMOPT_DOWARN, &dqp); + error = xfs_qm_dqget(ip->i_mount, ip, id, type, + doalloc | XFS_QMOPT_DOWARN, &dqp); if (error) return error; diff --git a/include/linux/bio.h b/include/linux/bio.h index a3c071c9e18..847994aef0e 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -211,8 +211,8 @@ extern void bio_pair_release(struct bio_pair *dbio); extern struct bio_set *bioset_create(unsigned int, unsigned int); extern void bioset_free(struct bio_set *); -extern struct bio *bio_alloc(gfp_t, int); -extern struct bio *bio_kmalloc(gfp_t, int); +extern struct bio *bio_alloc(gfp_t, unsigned int); +extern struct bio *bio_kmalloc(gfp_t, unsigned int); extern struct bio *bio_alloc_bioset(gfp_t, int, struct bio_set *); extern void bio_put(struct bio *); extern void bio_free(struct bio *, struct bio_set *); @@ -519,7 +519,11 @@ extern void bio_integrity_init(void); #define bioset_integrity_create(a, b) (0) #define bio_integrity_prep(a) (0) #define bio_integrity_enabled(a) (0) -#define bio_integrity_clone(a, b, c, d) (0) +static inline int bio_integrity_clone(struct bio *bio, struct bio *bio_src, + gfp_t gfp_mask, struct bio_set *bs) +{ + return 0; +} #define bioset_integrity_free(a) do { } while (0) #define bio_integrity_free(a, b) do { } while (0) #define bio_integrity_endio(a, b) do { } while (0) diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 9de31bc98c8..6d18f3531f1 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -21,8 +21,6 @@ #define dev_to_part(device) container_of((device), struct hd_struct, __dev) #define disk_to_dev(disk) (&(disk)->part0.__dev) #define part_to_dev(part) (&((part)->__dev)) -#define alias_name(disk) ((disk)->alias ? (disk)->alias : \ - (disk)->disk_name) extern struct device_type part_type; extern struct kobject *block_depr; @@ -60,7 +58,6 @@ enum { #define DISK_MAX_PARTS 256 #define DISK_NAME_LEN 32 -#define ALIAS_LEN 256 #include <linux/major.h> #include <linux/device.h> @@ -166,7 +163,6 @@ struct gendisk { * disks that can't be partitioned. */ char disk_name[DISK_NAME_LEN]; /* name of major driver */ - char *alias; /* alias name of disk */ char *(*devnode)(struct gendisk *gd, mode_t *mode); unsigned int events; /* supported events */ diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 687fb11e201..4bde182fcf9 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -119,7 +119,7 @@ unmap_kernel_range(unsigned long addr, unsigned long size) #endif /* Allocate/destroy a 'vmalloc' VM area. */ -extern struct vm_struct *alloc_vm_area(size_t size); +extern struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes); extern void free_vm_area(struct vm_struct *area); /* for /dev/kmem */ diff --git a/include/xen/platform_pci.h b/include/xen/platform_pci.h index a785a3b0c8c..438c256c274 100644 --- a/include/xen/platform_pci.h +++ b/include/xen/platform_pci.h @@ -29,8 +29,7 @@ static inline int xen_must_unplug_nics(void) { #if (defined(CONFIG_XEN_NETDEV_FRONTEND) || \ defined(CONFIG_XEN_NETDEV_FRONTEND_MODULE)) && \ - (defined(CONFIG_XEN_PLATFORM_PCI) || \ - defined(CONFIG_XEN_PLATFORM_PCI_MODULE)) + defined(CONFIG_XEN_PVHVM) return 1; #else return 0; @@ -40,8 +39,7 @@ static inline int xen_must_unplug_nics(void) { static inline int xen_must_unplug_disks(void) { #if (defined(CONFIG_XEN_BLKDEV_FRONTEND) || \ defined(CONFIG_XEN_BLKDEV_FRONTEND_MODULE)) && \ - (defined(CONFIG_XEN_PLATFORM_PCI) || \ - defined(CONFIG_XEN_PLATFORM_PCI_MODULE)) + defined(CONFIG_XEN_PVHVM) return 1; #else return 0; diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index aa57d5da18c..b5f4742693c 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -115,7 +115,7 @@ static int misrouted_irq(int irq) struct irq_desc *desc; int i, ok = 0; - if (atomic_inc_return(&irq_poll_active) == 1) + if (atomic_inc_return(&irq_poll_active) != 1) goto out; irq_poll_cpu = smp_processor_id(); diff --git a/mm/backing-dev.c b/mm/backing-dev.c index a0860640378..71034f41a2b 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -724,6 +724,14 @@ void bdi_destroy(struct backing_dev_info *bdi) bdi_unregister(bdi); + /* + * If bdi_unregister() had already been called earlier, the + * wakeup_timer could still be armed because bdi_prune_sb() + * can race with the bdi_wakeup_thread_delayed() calls from + * __mark_inode_dirty(). + */ + del_timer_sync(&bdi->wb.wakeup_timer); + for (i = 0; i < NR_BDI_STAT_ITEMS; i++) percpu_counter_destroy(&bdi->bdi_stat[i]); diff --git a/mm/nommu.c b/mm/nommu.c index 73419c55eda..b982290fd96 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -454,7 +454,7 @@ void __attribute__((weak)) vmalloc_sync_all(void) * between processes, it syncs the pagetable across all * processes. */ -struct vm_struct *alloc_vm_area(size_t size) +struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes) { BUG(); return NULL; diff --git a/mm/vmalloc.c b/mm/vmalloc.c index b669aa6f6ca..3231bf33287 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2141,23 +2141,30 @@ void __attribute__((weak)) vmalloc_sync_all(void) static int f(pte_t *pte, pgtable_t table, unsigned long addr, void *data) { - /* apply_to_page_range() does all the hard work. */ + pte_t ***p = data; + + if (p) { + *(*p) = pte; + (*p)++; + } return 0; } /** * alloc_vm_area - allocate a range of kernel address space * @size: size of the area + * @ptes: returns the PTEs for the address space * * Returns: NULL on failure, vm_struct on success * * This function reserves a range of kernel address space, and * allocates pagetables to map that range. No actual mappings - * are created. If the kernel address space is not shared - * between processes, it syncs the pagetable across all - * processes. + * are created. + * + * If @ptes is non-NULL, pointers to the PTEs (in init_mm) + * allocated for the VM area are returned. */ -struct vm_struct *alloc_vm_area(size_t size) +struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes) { struct vm_struct *area; @@ -2171,19 +2178,11 @@ struct vm_struct *alloc_vm_area(size_t size) * of kernel virtual address space and mapped into init_mm. */ if (apply_to_page_range(&init_mm, (unsigned long)area->addr, - area->size, f, NULL)) { + size, f, ptes ? &ptes : NULL)) { free_vm_area(area); return NULL; } - /* - * If the allocated address space is passed to a hypercall - * before being used then we cannot rely on a page fault to - * trigger an update of the page tables. So sync all the page - * tables here. - */ - vmalloc_sync_all(); - return area; } EXPORT_SYMBOL_GPL(alloc_vm_area); diff --git a/security/keys/encrypted-keys/Makefile b/security/keys/encrypted-keys/Makefile index 6bc7a86d102..d6f8433250a 100644 --- a/security/keys/encrypted-keys/Makefile +++ b/security/keys/encrypted-keys/Makefile @@ -2,5 +2,9 @@ # Makefile for encrypted keys # -obj-$(CONFIG_ENCRYPTED_KEYS) += encrypted.o ecryptfs_format.o -obj-$(CONFIG_TRUSTED_KEYS) += masterkey_trusted.o +obj-$(CONFIG_ENCRYPTED_KEYS) += encrypted-keys.o + +encrypted-keys-y := encrypted.o ecryptfs_format.o +masterkey-$(CONFIG_TRUSTED_KEYS) := masterkey_trusted.o +masterkey-$(CONFIG_TRUSTED_KEYS)-$(CONFIG_ENCRYPTED_KEYS) := masterkey_trusted.o +encrypted-keys-y += $(masterkey-y) $(masterkey-m-m) diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c index dcc843cb0f8..41144f71d61 100644 --- a/security/keys/encrypted-keys/encrypted.c +++ b/security/keys/encrypted-keys/encrypted.c @@ -444,7 +444,7 @@ static struct key *request_master_key(struct encrypted_key_payload *epayload, goto out; if (IS_ERR(mkey)) { - int ret = PTR_ERR(epayload); + int ret = PTR_ERR(mkey); if (ret == -ENOTSUPP) pr_info("encrypted_key: key %s not supported", diff --git a/security/keys/encrypted-keys/encrypted.h b/security/keys/encrypted-keys/encrypted.h index b6ade894525..8136a2d44c6 100644 --- a/security/keys/encrypted-keys/encrypted.h +++ b/security/keys/encrypted-keys/encrypted.h @@ -2,7 +2,8 @@ #define __ENCRYPTED_KEY_H #define ENCRYPTED_DEBUG 0 -#ifdef CONFIG_TRUSTED_KEYS +#if defined(CONFIG_TRUSTED_KEYS) || \ + (defined(CONFIG_TRUSTED_KEYS_MODULE) && defined(CONFIG_ENCRYPTED_KEYS_MODULE)) extern struct key *request_trusted_key(const char *trusted_desc, u8 **master_key, size_t *master_keylen); #else diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c index 6aceef518a4..5c32f36ff70 100644 --- a/security/smack/smackfs.c +++ b/security/smack/smackfs.c @@ -102,9 +102,6 @@ static int smk_cipso_doi_value = SMACK_CIPSO_DOI_DEFAULT; const char *smack_cipso_option = SMACK_CIPSO_OPTION; - -#define SEQ_READ_FINISHED ((loff_t)-1) - /* * Values for parsing cipso rules * SMK_DIGITLEN: Length of a digit field in a rule. @@ -357,10 +354,12 @@ static ssize_t smk_write_load_list(struct file *file, const char __user *buf, rc = count; /* + * If this is "load" as opposed to "load-self" and a new rule + * it needs to get added for reporting. * smk_set_access returns true if there was already a rule * for the subject/object pair, and false if it was new. */ - if (!smk_set_access(rule, rule_list, rule_lock)) { + if (load && !smk_set_access(rule, rule_list, rule_lock)) { smlp = kzalloc(sizeof(*smlp), GFP_KERNEL); if (smlp != NULL) { smlp->smk_rule = rule; @@ -377,12 +376,12 @@ out: return rc; } - /* - * Seq_file read operations for /smack/load + * Core logic for smackfs seq list operations. */ -static void *load_seq_start(struct seq_file *s, loff_t *pos) +static void *smk_seq_start(struct seq_file *s, loff_t *pos, + struct list_head *head) { struct list_head *list; @@ -390,7 +389,7 @@ static void *load_seq_start(struct seq_file *s, loff_t *pos) * This is 0 the first time through. */ if (s->index == 0) - s->private = &smack_rule_list; + s->private = head; if (s->private == NULL) return NULL; @@ -404,11 +403,12 @@ static void *load_seq_start(struct seq_file *s, loff_t *pos) return list; } -static void *load_seq_next(struct seq_file *s, void *v, loff_t *pos) +static void *smk_seq_next(struct seq_file *s, void *v, loff_t *pos, + struct list_head *head) { struct list_head *list = v; - if (list_is_last(list, &smack_rule_list)) { + if (list_is_last(list, head)) { s->private = NULL; return NULL; } @@ -416,6 +416,25 @@ static void *load_seq_next(struct seq_file *s, void *v, loff_t *pos) return list->next; } +static void smk_seq_stop(struct seq_file *s, void *v) +{ + /* No-op */ +} + +/* + * Seq_file read operations for /smack/load + */ + +static void *load_seq_start(struct seq_file *s, loff_t *pos) +{ + return smk_seq_start(s, pos, &smack_rule_list); +} + +static void *load_seq_next(struct seq_file *s, void *v, loff_t *pos) +{ + return smk_seq_next(s, v, pos, &smack_rule_list); +} + static int load_seq_show(struct seq_file *s, void *v) { struct list_head *list = v; @@ -446,16 +465,11 @@ static int load_seq_show(struct seq_file *s, void *v) return 0; } -static void load_seq_stop(struct seq_file *s, void *v) -{ - /* No-op */ -} - static const struct seq_operations load_seq_ops = { .start = load_seq_start, .next = load_seq_next, .show = load_seq_show, - .stop = load_seq_stop, + .stop = smk_seq_stop, }; /** @@ -574,28 +588,12 @@ static void smk_unlbl_ambient(char *oldambient) static void *cipso_seq_start(struct seq_file *s, loff_t *pos) { - if (*pos == SEQ_READ_FINISHED) - return NULL; - if (list_empty(&smack_known_list)) - return NULL; - - return smack_known_list.next; + return smk_seq_start(s, pos, &smack_known_list); } static void *cipso_seq_next(struct seq_file *s, void *v, loff_t *pos) { - struct list_head *list = v; - - /* - * labels with no associated cipso value wont be printed - * in cipso_seq_show - */ - if (list_is_last(list, &smack_known_list)) { - *pos = SEQ_READ_FINISHED; - return NULL; - } - - return list->next; + return smk_seq_next(s, v, pos, &smack_known_list); } /* @@ -634,16 +632,11 @@ static int cipso_seq_show(struct seq_file *s, void *v) return 0; } -static void cipso_seq_stop(struct seq_file *s, void *v) -{ - /* No-op */ -} - static const struct seq_operations cipso_seq_ops = { .start = cipso_seq_start, - .stop = cipso_seq_stop, .next = cipso_seq_next, .show = cipso_seq_show, + .stop = smk_seq_stop, }; /** @@ -788,23 +781,12 @@ static const struct file_operations smk_cipso_ops = { static void *netlbladdr_seq_start(struct seq_file *s, loff_t *pos) { - if (*pos == SEQ_READ_FINISHED) - return NULL; - if (list_empty(&smk_netlbladdr_list)) - return NULL; - return smk_netlbladdr_list.next; + return smk_seq_start(s, pos, &smk_netlbladdr_list); } static void *netlbladdr_seq_next(struct seq_file *s, void *v, loff_t *pos) { - struct list_head *list = v; - - if (list_is_last(list, &smk_netlbladdr_list)) { - *pos = SEQ_READ_FINISHED; - return NULL; - } - - return list->next; + return smk_seq_next(s, v, pos, &smk_netlbladdr_list); } #define BEBITS (sizeof(__be32) * 8) @@ -828,16 +810,11 @@ static int netlbladdr_seq_show(struct seq_file *s, void *v) return 0; } -static void netlbladdr_seq_stop(struct seq_file *s, void *v) -{ - /* No-op */ -} - static const struct seq_operations netlbladdr_seq_ops = { .start = netlbladdr_seq_start, - .stop = netlbladdr_seq_stop, .next = netlbladdr_seq_next, .show = netlbladdr_seq_show, + .stop = smk_seq_stop, }; /** @@ -1405,23 +1382,14 @@ static void *load_self_seq_start(struct seq_file *s, loff_t *pos) { struct task_smack *tsp = current_security(); - if (*pos == SEQ_READ_FINISHED) - return NULL; - if (list_empty(&tsp->smk_rules)) - return NULL; - return tsp->smk_rules.next; + return smk_seq_start(s, pos, &tsp->smk_rules); } static void *load_self_seq_next(struct seq_file *s, void *v, loff_t *pos) { struct task_smack *tsp = current_security(); - struct list_head *list = v; - if (list_is_last(list, &tsp->smk_rules)) { - *pos = SEQ_READ_FINISHED; - return NULL; - } - return list->next; + return smk_seq_next(s, v, pos, &tsp->smk_rules); } static int load_self_seq_show(struct seq_file *s, void *v) @@ -1453,16 +1421,11 @@ static int load_self_seq_show(struct seq_file *s, void *v) return 0; } -static void load_self_seq_stop(struct seq_file *s, void *v) -{ - /* No-op */ -} - static const struct seq_operations load_self_seq_ops = { .start = load_self_seq_start, .next = load_self_seq_next, .show = load_self_seq_show, - .stop = load_self_seq_stop, + .stop = smk_seq_stop, }; diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c index 1c8ddf547a2..7ae7578bdcc 100644 --- a/sound/pci/hda/hda_eld.c +++ b/sound/pci/hda/hda_eld.c @@ -297,10 +297,18 @@ static int hdmi_update_eld(struct hdmi_eld *e, buf + ELD_FIXED_BYTES + mnl + 3 * i); } + /* + * HDMI sink's ELD info cannot always be retrieved for now, e.g. + * in console or for audio devices. Assume the highest speakers + * configuration, to _not_ prohibit multi-channel audio playback. + */ + if (!e->spk_alloc) + e->spk_alloc = 0xffff; + + e->eld_valid = true; return 0; out_fail: - e->eld_ver = 0; return -EINVAL; } @@ -323,9 +331,6 @@ int snd_hdmi_get_eld(struct hdmi_eld *eld, * ELD is valid, actual eld_size is assigned in hdmi_update_eld() */ - if (!eld->eld_valid) - return -ENOENT; - size = snd_hdmi_get_eld_size(codec, nid); if (size == 0) { /* wfg: workaround for ASUS P5E-VM HDMI board */ diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index 6579e0f2bb5..618ddad1723 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -653,6 +653,9 @@ struct hdmi_eld { int spk_alloc; int sad_count; struct cea_sad sad[ELD_MAX_SAD]; + /* + * all fields above eld_buffer will be cleared before updating ELD + */ char eld_buffer[ELD_MAX_SIZE]; #ifdef CONFIG_PROC_FS struct snd_info_entry *proc_entry; diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index 2a2d8645ba0..2fbab8e2957 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -237,6 +237,15 @@ static int cs_dig_playback_pcm_cleanup(struct hda_pcm_stream *hinfo, return snd_hda_multi_out_dig_cleanup(codec, &spec->multiout); } +static void cs_update_input_select(struct hda_codec *codec) +{ + struct cs_spec *spec = codec->spec; + if (spec->cur_adc) + snd_hda_codec_write(codec, spec->cur_adc, 0, + AC_VERB_SET_CONNECT_SEL, + spec->adc_idx[spec->cur_input]); +} + /* * Analog capture */ @@ -250,6 +259,7 @@ static int cs_capture_pcm_prepare(struct hda_pcm_stream *hinfo, spec->cur_adc = spec->adc_nid[spec->cur_input]; spec->cur_adc_stream_tag = stream_tag; spec->cur_adc_format = format; + cs_update_input_select(codec); snd_hda_codec_setup_stream(codec, spec->cur_adc, stream_tag, 0, format); return 0; } @@ -689,10 +699,8 @@ static int change_cur_input(struct hda_codec *codec, unsigned int idx, spec->cur_adc_stream_tag, 0, spec->cur_adc_format); } - snd_hda_codec_write(codec, spec->cur_adc, 0, - AC_VERB_SET_CONNECT_SEL, - spec->adc_idx[idx]); spec->cur_input = idx; + cs_update_input_select(codec); return 1; } @@ -973,10 +981,7 @@ static void cs_automic(struct hda_codec *codec) } else { spec->cur_input = spec->last_input; } - - snd_hda_codec_write_cache(codec, spec->cur_adc, 0, - AC_VERB_SET_CONNECT_SEL, - spec->adc_idx[spec->cur_input]); + cs_update_input_select(codec); } else { if (present) change_cur_input(codec, spec->automic_idx, 0); @@ -1073,9 +1078,7 @@ static void init_input(struct hda_codec *codec) cs_automic(codec); else { spec->cur_adc = spec->adc_nid[spec->cur_input]; - snd_hda_codec_write(codec, spec->cur_adc, 0, - AC_VERB_SET_CONNECT_SEL, - spec->adc_idx[spec->cur_input]); + cs_update_input_select(codec); } } else { change_cur_input(codec, spec->cur_input, 1); diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 81b7b791b3c..9850c5b481e 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -65,7 +65,10 @@ struct hdmi_spec_per_pin { hda_nid_t pin_nid; int num_mux_nids; hda_nid_t mux_nids[HDA_MAX_CONNECTIONS]; + + struct hda_codec *codec; struct hdmi_eld sink_eld; + struct delayed_work work; }; struct hdmi_spec { @@ -745,8 +748,7 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx, * Unsolicited events */ -static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid, - struct hdmi_eld *eld); +static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, bool retry); static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) { @@ -755,7 +757,6 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) int pd = !!(res & AC_UNSOL_RES_PD); int eldv = !!(res & AC_UNSOL_RES_ELDV); int pin_idx; - struct hdmi_eld *eld; printk(KERN_INFO "HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n", @@ -764,17 +765,8 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) pin_idx = pin_nid_to_pin_index(spec, pin_nid); if (pin_idx < 0) return; - eld = &spec->pins[pin_idx].sink_eld; - - hdmi_present_sense(codec, pin_nid, eld); - /* - * HDMI sink's ELD info cannot always be retrieved for now, e.g. - * in console or for audio devices. Assume the highest speakers - * configuration, to _not_ prohibit multi-channel audio playback. - */ - if (!eld->spk_alloc) - eld->spk_alloc = 0xffff; + hdmi_present_sense(&spec->pins[pin_idx], true); } static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res) @@ -968,9 +960,11 @@ static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx) return 0; } -static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid, - struct hdmi_eld *eld) +static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, bool retry) { + struct hda_codec *codec = per_pin->codec; + struct hdmi_eld *eld = &per_pin->sink_eld; + hda_nid_t pin_nid = per_pin->pin_nid; /* * Always execute a GetPinSense verb here, even when called from * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited @@ -980,26 +974,39 @@ static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid, * the unsolicited response to avoid custom WARs. */ int present = snd_hda_pin_sense(codec, pin_nid); + bool eld_valid = false; - memset(eld, 0, sizeof(*eld)); + memset(eld, 0, offsetof(struct hdmi_eld, eld_buffer)); eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE); if (eld->monitor_present) - eld->eld_valid = !!(present & AC_PINSENSE_ELDV); - else - eld->eld_valid = 0; + eld_valid = !!(present & AC_PINSENSE_ELDV); printk(KERN_INFO "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n", - codec->addr, pin_nid, eld->monitor_present, eld->eld_valid); + codec->addr, pin_nid, eld->monitor_present, eld_valid); - if (eld->eld_valid) + if (eld_valid) { if (!snd_hdmi_get_eld(eld, codec, pin_nid)) snd_hdmi_show_eld(eld); + else if (retry) { + queue_delayed_work(codec->bus->workq, + &per_pin->work, + msecs_to_jiffies(300)); + } + } snd_hda_input_jack_report(codec, pin_nid); } +static void hdmi_repoll_eld(struct work_struct *work) +{ + struct hdmi_spec_per_pin *per_pin = + container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work); + + hdmi_present_sense(per_pin, false); +} + static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid) { struct hdmi_spec *spec = codec->spec; @@ -1228,7 +1235,7 @@ static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx) if (err < 0) return err; - hdmi_present_sense(codec, per_pin->pin_nid, &per_pin->sink_eld); + hdmi_present_sense(per_pin, false); return 0; } @@ -1279,6 +1286,8 @@ static int generic_hdmi_init(struct hda_codec *codec) AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | pin_nid); + per_pin->codec = codec; + INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld); snd_hda_eld_proc_new(codec, eld, pin_idx); } return 0; @@ -1293,10 +1302,12 @@ static void generic_hdmi_free(struct hda_codec *codec) struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx]; struct hdmi_eld *eld = &per_pin->sink_eld; + cancel_delayed_work(&per_pin->work); snd_hda_eld_proc_free(codec, eld); } snd_hda_input_jack_free(codec); + flush_workqueue(codec->bus->workq); kfree(spec); } diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 308bb575bc0..336d14eb72a 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -1452,7 +1452,7 @@ static void alc_apply_fixup(struct hda_codec *codec, int action) switch (fix->type) { case ALC_FIXUP_SKU: if (action != ALC_FIXUP_ACT_PRE_PROBE || !fix->v.sku) - break;; + break; snd_printdd(KERN_INFO "hda_codec: %s: " "Apply sku override for %s\n", codec->chip_name, modelname); diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index edc2b7bc177..470f6f286e8 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -227,7 +227,6 @@ struct sigmatel_spec { /* power management */ unsigned int num_pwrs; - const unsigned int *pwr_mapping; const hda_nid_t *pwr_nids; const hda_nid_t *dac_list; @@ -374,18 +373,15 @@ static const unsigned long stac92hd73xx_capvols[] = { #define STAC92HD83_DAC_COUNT 3 -static const hda_nid_t stac92hd83xxx_pwr_nids[4] = { - 0xa, 0xb, 0xd, 0xe, +static const hda_nid_t stac92hd83xxx_pwr_nids[7] = { + 0x0a, 0x0b, 0x0c, 0xd, 0x0e, + 0x0f, 0x10 }; static const hda_nid_t stac92hd83xxx_slave_dig_outs[2] = { 0x1e, 0, }; -static const unsigned int stac92hd83xxx_pwr_mapping[4] = { - 0x03, 0x0c, 0x20, 0x40, -}; - static const hda_nid_t stac92hd83xxx_dmic_nids[] = { 0x11, 0x20, }; @@ -4470,8 +4466,12 @@ static int stac92xx_init(struct hda_codec *codec) stac_toggle_power_map(codec, nid, 1); continue; } - if (enable_pin_detect(codec, nid, STAC_PWR_EVENT)) + if (enable_pin_detect(codec, nid, STAC_PWR_EVENT)) { stac_issue_unsol_event(codec, nid); + continue; + } + /* none of the above, turn the port OFF */ + stac_toggle_power_map(codec, nid, 0); } /* sync mute LED */ @@ -4727,11 +4727,7 @@ static void stac_toggle_power_map(struct hda_codec *codec, hda_nid_t nid, if (idx >= spec->num_pwrs) return; - /* several codecs have two power down bits */ - if (spec->pwr_mapping) - idx = spec->pwr_mapping[idx]; - else - idx = 1 << idx; + idx = 1 << idx; val = snd_hda_codec_read(codec, codec->afg, 0, 0x0fec, 0x0) & 0xff; if (enable) @@ -5629,9 +5625,6 @@ static int patch_stac92hd83xxx(struct hda_codec *codec) snd_hda_codec_set_pincfg(codec, 0xf, 0x2181205e); } - /* reset pin power-down; Windows may leave these bits after reboot */ - snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7EC, 0); - snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7ED, 0); codec->no_trigger_sense = 1; codec->spec = spec; @@ -5641,7 +5634,6 @@ static int patch_stac92hd83xxx(struct hda_codec *codec) codec->slave_dig_outs = stac92hd83xxx_slave_dig_outs; spec->digbeep_nid = 0x21; spec->pwr_nids = stac92hd83xxx_pwr_nids; - spec->pwr_mapping = stac92hd83xxx_pwr_mapping; spec->num_pwrs = ARRAY_SIZE(stac92hd83xxx_pwr_nids); spec->multiout.dac_nids = spec->dac_nids; spec->init = stac92hd83xxx_core_init; @@ -5658,9 +5650,6 @@ again: stac92xx_set_config_regs(codec, stac92hd83xxx_brd_tbl[spec->board_config]); - if (spec->board_config != STAC_92HD83XXX_PWR_REF) - spec->num_pwrs = 0; - codec->patch_ops = stac92xx_patch_ops; if (find_mute_led_gpio(codec, 0)) @@ -5869,8 +5858,6 @@ again: (codec->revision_id & 0xf) == 1) spec->stream_delay = 40; /* 40 milliseconds */ - /* no output amps */ - spec->num_pwrs = 0; /* disable VSW */ spec->init = stac92hd71bxx_core_init; unmute_init++; @@ -5885,8 +5872,6 @@ again: if ((codec->revision_id & 0xf) == 1) spec->stream_delay = 40; /* 40 milliseconds */ - /* no output amps */ - spec->num_pwrs = 0; /* fallthru */ default: spec->init = stac92hd71bxx_core_init; |