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2007-06-16uml: remove PAGE_SIZE from libc codeJeff Dike
Distros seem to be removing PAGE_SIZE from asm/page.h. So, the libc side of UML should stop using it. I replace it with UM_KERN_PAGE_SIZE, which is defined to be the same as PAGE_SIZE on the kernel side of the house. I could also use getpagesize(), but it's more important that UML have the same value of PAGE_SIZE everywhere. It's conceivable that it could be built with a larger PAGE_SIZE, and use of getpagesize() would break that badly. PAGE_MASK got the same treatment, as it is closely tied to PAGE_SIZE. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-16perfctr-watchdog: fix interchanged parameters to release_{evntsel,perfctr}_nmiBjörn Steinbrink
Fix oops triggered during: echo 0 > /proc/sys/kernel/nmi_watchdog The culprit seems to be 09198e68501a7e34737cd9264d266f42429abcdc: [PATCH] i386: Clean up NMI watchdog code In two places, the parameters to release_{evntsel,perfctr}_nmi got interchanged during the cleanup. Fix interchanged parameters to release_{evntsel,perfctr}_nmi. Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de> Cc: Stephane Eranian <eranian@hpl.hp.com> Cc: Andi Kleen <ak@suse.de> Cc: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-16i386: use the right wrapper to disable the NMI watchdogBjörn Steinbrink
When disabled through /proc/sys/kernel/nmi_watchdog, the NMI watchdog uses the stop() method directly, which does not decrement the activity counter, leading to a BUG(). Use the wrapper function instead to fix that. Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-16i386: fix NMI watchdog not reserving its MSRsBjörn Steinbrink
At system boot time, the NMI watchdog no longer reserved its MSRs, allowing other subsystems to mess with them. Fix that. Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-15Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (30 commits) Blackfin SMC91X ethernet supporting driver: SMC91C111 LEDs are note drived in the kernel like in uboot Blackfin SPI driver: fix bug SPI DMA incomplete transmission Blackfin SPI driver: tweak spi cleanup function to match newer kernel changes Blackfin RTC drivers: update MAINTAINERS information Blackfin serial driver: decouple PARODD and CMSPAR checking from PARENB Blackfin serial driver: actually implement the break_ctl() function Blackfin serial driver: ignore framing and parity errors Blackfin serial driver: hook up our UARTs STP bit with userspaces CMSPAR Blackfin arch: move HI/LO macros into blackfin.h and punt the rest of macros.h as it includes VDSP macros we never use Blackfin arch: redo our linker script a bit Blackfin arch: make sure we initialize our L1 Data B section properly based on the linked kernel Blackfin arch: fix bug can not wakeup from sleep via push buttons Blackfin arch: add support for Alon Bar-Lev's dynamic kernel command-line Blackfin arch: add missing gpio.h header to fix compiling in some pm configurations Blackfin arch: As Mike pointed out range goes form m..MAX_BLACKFIN_GPIO -1 Blackfin arch: fix spelling typo in output Blackfin arch: try to split up functions like this into smaller units according to LKML review Blackfin arch: add proper ENDPROC() Blackfin arch: move more of our startup code to .init so it can be freed once we are up and running Blackfin arch: unify differences between our diff head.S files -- no functional changes ...
2007-06-15Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] Fix builds where MSC01E_xxx is undefined. [MIPS] Separate performance counter interrupts [MIPS] Malta: Fix for SOCitSC based Maltas
2007-06-15Merge branch 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32Linus Torvalds
* 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32: [AVR32] Define ARCH_KMALLOC_MINALIGN to L1_CACHE_BYTES [AVR32] STK1000: Set SPI_MODE_3 in the ltv350qv board info [AVR32] gpio_*_cansleep() fix [AVR32] ratelimit segfault reporting rate
2007-06-15Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Fix console output getting dropped on platforms without udbg_putc [POWERPC] Fix per-cpu allocation on oldworld SMP powermacs
2007-06-14Merge master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6: (30 commits) [PARISC] remove global_ack_eiem [PARISC] Fix kernel panic in check_ivt [PARISC] Fix bug when syscall nr is __NR_Linux_syscalls [PARISC] be more defensive in process.c::get_wchan [PARISC] fix "reduce size of task_struct on 64-bit machines" fallout [PARISC] fix null ptr deref in unwind.c [PARISC] fix trivial spelling nit in asm/linkage.h [PARISC] remove remnants of parisc-specific softirq code [PARISC] fix section mismatch in smp.c [PARISC] fix "ENTRY" macro redefinition [PARISC] Wire up utimensat/signalfd/timerfd/eventfd syscalls [PARISC] fix section mismatch in superio serial drivers [PARISC] fix section mismatch in parisc eisa driver [PARISC] fix section mismatches in arch/parisc/kernel [PARISC] fix section mismatch in ccio-dma [PARISC] fix section mismatch in parisc STI video drivers [PARISC] fix section mismatch in parport_gsc [PARISC] fix lasi_82596 build [PARISC] Build fixes for power.c [PARISC] kobject is embedded in subsys, not kset ...
2007-06-14Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Fix args to sun4v_ldc_revoke(). [SPARC64]: Really fix parport. [SPARC64]: Fix IO/MEM space sizing for PCI. [SPARC64]: Wire up cookie based sun4v interrupt registry.
2007-06-14Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 4445/1: ANUBIS: Fix CPLD registers [ARM] 4444/2: OSIRIS: CPLD suspend fix [ARM] 4443/1: OSIRIS: Add watchdog device to machine devices [ARM] 4442/1: OSIRIS: Fix CPLD register definitions [ARM] VFP: fix section mismatch error
2007-06-14[MIPS] Fix builds where MSC01E_xxx is undefined.Chris Dearman
Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-14[MIPS] Separate performance counter interruptsChris Dearman
Support for performance counter overflow interrupt that is on a separate interrupt from the timer. Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-14[MIPS] Malta: Fix for SOCitSC based MaltasChris Dearman
And an attempt to tidy up the core/controller differences. Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-14[AVR32] STK1000: Set SPI_MODE_3 in the ltv350qv board infoHaavard Skinnemoen
In the latest incarnation of the ltv350qv driver the call to spi_setup() has been removed. So we need to initialize things more carefully in the board info struct. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
2007-06-14[AVR32] ratelimit segfault reporting rateAndrea Righi
Limit the rate of the kernel logging for the segfaults of user applications, to avoid potential message floods or denial-of-service attacks. Signed-off-by: Andrea Righi <a.righi@cineca.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
2007-06-14[POWERPC] Fix console output getting dropped on platforms without udbg_putcMilton Miller
Previously, registering this early console would just result in dropping early buffered printk output until a udbg_putc was registered. However, commit 69331af79cf29e26d1231152a172a1a10c2df511 clears the CON_PRINTBUFFER flag on the main console when a CON_BOOT (early) console has been registered, resulting in the buffered messages never being displayed to the user. This fixes the problem by making sure we don't register udbg_console on platforms that don't implement udbg_putc. Signed-off-by: Milton Miller <miltonm@bga.com> Acked-by: Mark A. Greer <mgreer@mvista.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-14[POWERPC] Fix per-cpu allocation on oldworld SMP powermacsPaul Mackerras
The per-cpu area(a) for the secondary CPU(s) isn't getting allocated on old SMP powermacs that don't have the secondary CPU(s) listed in the device tree, as per-cpu areas are now only allocated for CPUs in the cpu_possible_map, and we aren't setting the bits for the secondary CPU(s) until smp_prepare_cpus(), which is after per-cpu allocation. Therefore this sets the bits for CPUs 1..3 in cpu_possible_map in pmac_setup_arch, so they get per-cpu data allocated. Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-13[SPARC64]: Fix args to sun4v_ldc_revoke().David S. Miller
First argument is LDC channel ID, then mapping cookie, then the MTE revoke cookie. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-06-13[SPARC64]: Fix IO/MEM space sizing for PCI.David S. Miller
In pci_determine_mem_io_space(), do not hard code the region sizes. Instead, use the values given to us in the ranges property. Thanks goes to Mikael Petterson for the original Xorg failure bug repoert, and strace dumps from Mikael and Dmitry Artamonow. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-06-13[SPARC64]: Wire up cookie based sun4v interrupt registry.David S. Miller
This will be used for logical domain channel interrupts. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-06-12[PARISC] remove global_ack_eiemGrant Grundler
Kudos to Thibaut Varene for spotting the (mis)use of appropriately named global_ack_eiem. This took a long time to figure out and both insight from myself, Kyle McMartin, and James Bottomley were required to narrow down which bit of code could have this race condition. The symptom was interrupts stopped getting delivered while some workload was generating IO interrupts on two different CPUs. One of the interrupt sources would get masked off and stay unmasked. Problem was global_ack_eiem was accessed with read/modified/write sequence and not protected by a spinlock. PA-RISC doesn't need a global ack flag though. External Interrupts are _always_ delivered to a single CPU (except for "global broadcast interrupt" which AFAIK currently is not used.) So we don't have to worry about any given IRQ vector getting delivered to more than one CPU. Tested on a500 and rp34xx boxen. rsync to/from gsyprf11 (a500) would lock up the box since NIC (tg3) interrupt and SCSI (sym2) were on "opposite" CPUs (2 CPU system). Put them on the same CPU or apply this patch and 10GB of data would rsync completely. Please apply the following critical patch. thanks, grant Signed-off-by: Grant Grundler <grundler@parisc-linux.org> Acked-by: Thibaut VARENE <T-Bone@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
2007-06-11Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] Fix smp barriers in test_and_{change,clear,set}_bit [MIPS] Fix IP27 build [MIPS] Fix modpost warnings by making start_secondary __cpuinit [MIPS] SMTC: Fix build error caused by nonsense code. [MIPS] SMTC: The MT ASE requires to initialize c0_pagemask and c0_wired. [MIPS] SMTC: Don't continue in set_vi_srs_handler on detected bad arguments. [MIPS] SMTC: Fix warning. [MIPS] Wire up utimensat, signalfd, timerfd, eventfd [MIPS] Atlas: Fix build. [MIPS] Always install the DSP exception handler. [MIPS] SMTC: Don't set and restore irqregs ptr from self_ipi. [MIPS] Fix KMODE for the R3000
2007-06-11[MIPS] Fix IP27 buildAtsushi Nemoto
IP27 does no longer have ZONE_DMA. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-11[MIPS] Fix modpost warnings by making start_secondary __cpuinitRalf Baechle
WARNING: arch/mips/kernel/built-in.o(.text+0x9a58): Section mismatch: reference to .init.text:cpu_report (between 'start_secondary' and 'smp_prepare_boot_cpu') WARNING: arch/mips/kernel/built-in.o(.text+0x9a60): Section mismatch: reference to .init.text:per_cpu_trap_init (between 'start_secondary' and 'smp_prepare_boot_cpu') WARNING: arch/mips/kernel/built-in.o(.text+0x9adc): Section mismatch: reference to .init.text:cpu_probe (between 'start_secondary' and 'smp_prepare_boot_cpu') mipsel-linux-objcopy -S -O srec --remove-section=.reginfo --remove-section=.mdebug --remove-section=.comment --remove-section=.note --remove-section=.pdr --remove-section=.options --remove-section=.MIPS.options vmlinux arch/mips/boot/vmlinux.srec Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-11[MIPS] SMTC: Fix build error caused by nonsense code.Chris Dearman
Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-11[MIPS] SMTC: The MT ASE requires to initialize c0_pagemask and c0_wired.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-11[MIPS] SMTC: Don't continue in set_vi_srs_handler on detected bad arguments.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-11[MIPS] SMTC: Fix warning.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-11[MIPS] Wire up utimensat, signalfd, timerfd, eventfdAtsushi Nemoto
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-11[MIPS] Atlas: Fix build.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-11[MIPS] Always install the DSP exception handler.Chris Dearman
Some non-DSP enabled cores 24K / 34K can generate a DSP exception where they are actually expected to produce a reserved instruction exception. Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-11[MIPS] SMTC: Don't set and restore irqregs ptr from self_ipi.Ralf Baechle
This did corrupt register s0 which the caller of self_ipi expects to be unchanged. This is a kernel bug which will only be triggered with the compilers which compile __smtc_ipi_replay to use s0 across the invocation of self_ipi. Gcc 4.1.2 does this, for example. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-11[ARM] 4445/1: ANUBIS: Fix CPLD registersBen Dooks
Update the ANUBIS register definitions inline with the specs and ensure they are registered correctly. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-06-11[ARM] 4444/2: OSIRIS: CPLD suspend fixBen Dooks
Ensure the CPLD 8bit settings are preserved over a suspend/resume cycle as the CPU sends a hard-reset at resume time. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-06-11[ARM] 4443/1: OSIRIS: Add watchdog device to machine devicesBen Dooks
Add the watchdog timer to the list of devices the Osiris registers at startup. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-06-11[ARM] 4442/1: OSIRIS: Fix CPLD register definitionsBen Dooks
Fix the CPLD register definitions to correctly mirror the documentation Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-06-11Blackfin arch: redo our linker script a bitMike Frysinger
- we can start taking advantages of defines in asm-generic/vmlinux.lds.h - move our L1 relocated sections into init so it gets freed after relocation Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-06-14Blackfin arch: make sure we initialize our L1 Data B section properly based ↵Mike Frysinger
on the linked kernel Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-06-14Blackfin arch: fix bug can not wakeup from sleep via push buttonsMichael Hennerich
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-06-11Blackfin arch: add support for Alon Bar-Lev's dynamic kernel command-lineMike Frysinger
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-06-11Blackfin arch: add missing gpio.h header to fix compiling in some pm ↵Michael Hennerich
configurations Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-06-11Blackfin arch: As Mike pointed out range goes form m..MAX_BLACKFIN_GPIO -1Michael Hennerich
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-06-11Blackfin arch: fix spelling typo in outputMike Frysinger
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-06-14Blackfin arch: try to split up functions like this into smaller units ↵Aubrey Li
according to LKML review Signed-off-by: Aubrey Li <aubrey.li@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-06-11Blackfin arch: add proper ENDPROC()Mike Frysinger
add proper ENDPROC() to close out assembly functions so size/type is set properly in the final ELF image Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-06-11Blackfin arch: move more of our startup code to .init so it can be freed ↵Mike Frysinger
once we are up and running Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-06-11Blackfin arch: unify differences between our diff head.S files -- no ↵Mike Frysinger
functional changes Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-06-11Blackfin arch: update defconfigsMike Frysinger
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-06-11Blackfin arch: scrub old console definesMike Frysinger
since they arent respected anymore (use console=) and just confuse people Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
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