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-rw-r--r--include/asm-generic/vmlinux.lds.h22
-rw-r--r--include/asm-i386/unwind.h91
-rw-r--r--include/asm-s390/qdio.h1
-rw-r--r--include/asm-s390/reset.h1
-rw-r--r--include/asm-x86_64/unwind.h96
-rw-r--r--include/linux/unwind.h63
-rw-r--r--include/linux/workqueue.h36
7 files changed, 28 insertions, 282 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 7437ccaada7..1587121730c 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -119,8 +119,6 @@
*(__ksymtab_strings) \
} \
\
- EH_FRAME \
- \
/* Built-in module parameters. */ \
__param : AT(ADDR(__param) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start___param) = .; \
@@ -160,26 +158,6 @@
*(.kprobes.text) \
VMLINUX_SYMBOL(__kprobes_text_end) = .;
-#ifdef CONFIG_STACK_UNWIND
-#define EH_FRAME \
- /* Unwind data binary search table */ \
- . = ALIGN(8); \
- .eh_frame_hdr : AT(ADDR(.eh_frame_hdr) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start_unwind_hdr) = .; \
- *(.eh_frame_hdr) \
- VMLINUX_SYMBOL(__end_unwind_hdr) = .; \
- } \
- /* Unwind data */ \
- . = ALIGN(8); \
- .eh_frame : AT(ADDR(.eh_frame) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start_unwind) = .; \
- *(.eh_frame) \
- VMLINUX_SYMBOL(__end_unwind) = .; \
- }
-#else
-#define EH_FRAME
-#endif
-
/* DWARF debug sections.
Symbols in the DWARF debugging sections are relative to
the beginning of the section so we begin them at 0. */
diff --git a/include/asm-i386/unwind.h b/include/asm-i386/unwind.h
index aa2c931e30d..43c70c3de2f 100644
--- a/include/asm-i386/unwind.h
+++ b/include/asm-i386/unwind.h
@@ -1,95 +1,6 @@
#ifndef _ASM_I386_UNWIND_H
#define _ASM_I386_UNWIND_H
-/*
- * Copyright (C) 2002-2006 Novell, Inc.
- * Jan Beulich <jbeulich@novell.com>
- * This code is released under version 2 of the GNU GPL.
- */
-
-#ifdef CONFIG_STACK_UNWIND
-
-#include <linux/sched.h>
-#include <asm/fixmap.h>
-#include <asm/ptrace.h>
-#include <asm/uaccess.h>
-
-struct unwind_frame_info
-{
- struct pt_regs regs;
- struct task_struct *task;
- unsigned call_frame:1;
-};
-
-#define UNW_PC(frame) (frame)->regs.eip
-#define UNW_SP(frame) (frame)->regs.esp
-#ifdef CONFIG_FRAME_POINTER
-#define UNW_FP(frame) (frame)->regs.ebp
-#define FRAME_RETADDR_OFFSET 4
-#define FRAME_LINK_OFFSET 0
-#define STACK_BOTTOM(tsk) STACK_LIMIT((tsk)->thread.esp0)
-#define STACK_TOP(tsk) ((tsk)->thread.esp0)
-#else
-#define UNW_FP(frame) ((void)(frame), 0)
-#endif
-#define STACK_LIMIT(ptr) (((ptr) - 1) & ~(THREAD_SIZE - 1))
-
-#define UNW_REGISTER_INFO \
- PTREGS_INFO(eax), \
- PTREGS_INFO(ecx), \
- PTREGS_INFO(edx), \
- PTREGS_INFO(ebx), \
- PTREGS_INFO(esp), \
- PTREGS_INFO(ebp), \
- PTREGS_INFO(esi), \
- PTREGS_INFO(edi), \
- PTREGS_INFO(eip)
-
-#define UNW_DEFAULT_RA(raItem, dataAlign) \
- ((raItem).where == Memory && \
- !((raItem).value * (dataAlign) + 4))
-
-static inline void arch_unw_init_frame_info(struct unwind_frame_info *info,
- /*const*/ struct pt_regs *regs)
-{
- if (user_mode_vm(regs))
- info->regs = *regs;
- else {
- memcpy(&info->regs, regs, offsetof(struct pt_regs, esp));
- info->regs.esp = (unsigned long)&regs->esp;
- info->regs.xss = __KERNEL_DS;
- }
-}
-
-static inline void arch_unw_init_blocked(struct unwind_frame_info *info)
-{
- memset(&info->regs, 0, sizeof(info->regs));
- info->regs.eip = info->task->thread.eip;
- info->regs.xcs = __KERNEL_CS;
- __get_user(info->regs.ebp, (long *)info->task->thread.esp);
- info->regs.esp = info->task->thread.esp;
- info->regs.xss = __KERNEL_DS;
- info->regs.xds = __USER_DS;
- info->regs.xes = __USER_DS;
- info->regs.xgs = __KERNEL_PDA;
-}
-
-extern asmlinkage int arch_unwind_init_running(struct unwind_frame_info *,
- asmlinkage int (*callback)(struct unwind_frame_info *,
- void *arg),
- void *arg);
-
-static inline int arch_unw_user_mode(/*const*/ struct unwind_frame_info *info)
-{
- return user_mode_vm(&info->regs)
- || info->regs.eip < PAGE_OFFSET
- || (info->regs.eip >= __fix_to_virt(FIX_VDSO)
- && info->regs.eip < __fix_to_virt(FIX_VDSO) + PAGE_SIZE)
- || info->regs.esp < PAGE_OFFSET;
-}
-
-#else
-
#define UNW_PC(frame) ((void)(frame), 0)
#define UNW_SP(frame) ((void)(frame), 0)
#define UNW_FP(frame) ((void)(frame), 0)
@@ -99,6 +10,4 @@ static inline int arch_unw_user_mode(const void *info)
return 0;
}
-#endif
-
#endif /* _ASM_I386_UNWIND_H */
diff --git a/include/asm-s390/qdio.h b/include/asm-s390/qdio.h
index 7189c79bc67..127f72e7741 100644
--- a/include/asm-s390/qdio.h
+++ b/include/asm-s390/qdio.h
@@ -34,6 +34,7 @@
#define QDIO_QETH_QFMT 0
#define QDIO_ZFCP_QFMT 1
#define QDIO_IQDIO_QFMT 2
+#define QDIO_IQDIO_QFMT_ASYNCH 3
struct qdio_buffer_element{
unsigned int flags;
diff --git a/include/asm-s390/reset.h b/include/asm-s390/reset.h
index 9b439cf6780..532e65a2aaf 100644
--- a/include/asm-s390/reset.h
+++ b/include/asm-s390/reset.h
@@ -19,5 +19,6 @@ extern void register_reset_call(struct reset_call *reset);
extern void unregister_reset_call(struct reset_call *reset);
extern void s390_reset_system(void);
extern void (*s390_reset_mcck_handler)(void);
+extern void (*s390_reset_pgm_handler)(void);
#endif /* _ASM_S390_RESET_H */
diff --git a/include/asm-x86_64/unwind.h b/include/asm-x86_64/unwind.h
index 2f6349e4871..02710f6a456 100644
--- a/include/asm-x86_64/unwind.h
+++ b/include/asm-x86_64/unwind.h
@@ -1,100 +1,6 @@
#ifndef _ASM_X86_64_UNWIND_H
#define _ASM_X86_64_UNWIND_H
-/*
- * Copyright (C) 2002-2006 Novell, Inc.
- * Jan Beulich <jbeulich@novell.com>
- * This code is released under version 2 of the GNU GPL.
- */
-
-#ifdef CONFIG_STACK_UNWIND
-
-#include <linux/sched.h>
-#include <asm/ptrace.h>
-#include <asm/uaccess.h>
-#include <asm/vsyscall.h>
-
-struct unwind_frame_info
-{
- struct pt_regs regs;
- struct task_struct *task;
- unsigned call_frame:1;
-};
-
-#define UNW_PC(frame) (frame)->regs.rip
-#define UNW_SP(frame) (frame)->regs.rsp
-#ifdef CONFIG_FRAME_POINTER
-#define UNW_FP(frame) (frame)->regs.rbp
-#define FRAME_RETADDR_OFFSET 8
-#define FRAME_LINK_OFFSET 0
-#define STACK_BOTTOM(tsk) (((tsk)->thread.rsp0 - 1) & ~(THREAD_SIZE - 1))
-#define STACK_TOP(tsk) ((tsk)->thread.rsp0)
-#endif
-/* Might need to account for the special exception and interrupt handling
- stacks here, since normally
- EXCEPTION_STACK_ORDER < THREAD_ORDER < IRQSTACK_ORDER,
- but the construct is needed only for getting across the stack switch to
- the interrupt stack - thus considering the IRQ stack itself is unnecessary,
- and the overhead of comparing against all exception handling stacks seems
- not desirable. */
-#define STACK_LIMIT(ptr) (((ptr) - 1) & ~(THREAD_SIZE - 1))
-
-#define UNW_REGISTER_INFO \
- PTREGS_INFO(rax), \
- PTREGS_INFO(rdx), \
- PTREGS_INFO(rcx), \
- PTREGS_INFO(rbx), \
- PTREGS_INFO(rsi), \
- PTREGS_INFO(rdi), \
- PTREGS_INFO(rbp), \
- PTREGS_INFO(rsp), \
- PTREGS_INFO(r8), \
- PTREGS_INFO(r9), \
- PTREGS_INFO(r10), \
- PTREGS_INFO(r11), \
- PTREGS_INFO(r12), \
- PTREGS_INFO(r13), \
- PTREGS_INFO(r14), \
- PTREGS_INFO(r15), \
- PTREGS_INFO(rip)
-
-#define UNW_DEFAULT_RA(raItem, dataAlign) \
- ((raItem).where == Memory && \
- !((raItem).value * (dataAlign) + 8))
-
-static inline void arch_unw_init_frame_info(struct unwind_frame_info *info,
- /*const*/ struct pt_regs *regs)
-{
- info->regs = *regs;
-}
-
-static inline void arch_unw_init_blocked(struct unwind_frame_info *info)
-{
- extern const char thread_return[];
-
- memset(&info->regs, 0, sizeof(info->regs));
- info->regs.rip = (unsigned long)thread_return;
- info->regs.cs = __KERNEL_CS;
- __get_user(info->regs.rbp, (unsigned long *)info->task->thread.rsp);
- info->regs.rsp = info->task->thread.rsp;
- info->regs.ss = __KERNEL_DS;
-}
-
-extern int arch_unwind_init_running(struct unwind_frame_info *,
- int (*callback)(struct unwind_frame_info *,
- void *arg),
- void *arg);
-
-static inline int arch_unw_user_mode(const struct unwind_frame_info *info)
-{
- return user_mode(&info->regs)
- || (long)info->regs.rip >= 0
- || (info->regs.rip >= VSYSCALL_START && info->regs.rip < VSYSCALL_END)
- || (long)info->regs.rsp >= 0;
-}
-
-#else
-
#define UNW_PC(frame) ((void)(frame), 0UL)
#define UNW_SP(frame) ((void)(frame), 0UL)
@@ -103,6 +9,4 @@ static inline int arch_unw_user_mode(const void *info)
return 0;
}
-#endif
-
#endif /* _ASM_X86_64_UNWIND_H */
diff --git a/include/linux/unwind.h b/include/linux/unwind.h
index 749928c161f..7760860fa17 100644
--- a/include/linux/unwind.h
+++ b/include/linux/unwind.h
@@ -14,63 +14,6 @@
struct module;
-#ifdef CONFIG_STACK_UNWIND
-
-#include <asm/unwind.h>
-
-#ifndef ARCH_UNWIND_SECTION_NAME
-#define ARCH_UNWIND_SECTION_NAME ".eh_frame"
-#endif
-
-/*
- * Initialize unwind support.
- */
-extern void unwind_init(void);
-extern void unwind_setup(void);
-
-#ifdef CONFIG_MODULES
-
-extern void *unwind_add_table(struct module *,
- const void *table_start,
- unsigned long table_size);
-
-extern void unwind_remove_table(void *handle, int init_only);
-
-#endif
-
-extern int unwind_init_frame_info(struct unwind_frame_info *,
- struct task_struct *,
- /*const*/ struct pt_regs *);
-
-/*
- * Prepare to unwind a blocked task.
- */
-extern int unwind_init_blocked(struct unwind_frame_info *,
- struct task_struct *);
-
-/*
- * Prepare to unwind the currently running thread.
- */
-extern int unwind_init_running(struct unwind_frame_info *,
- asmlinkage int (*callback)(struct unwind_frame_info *,
- void *arg),
- void *arg);
-
-/*
- * Unwind to previous to frame. Returns 0 if successful, negative
- * number in case of an error.
- */
-extern int unwind(struct unwind_frame_info *);
-
-/*
- * Unwind until the return pointer is in user-land (or until an error
- * occurs). Returns 0 if successful, negative number in case of
- * error.
- */
-extern int unwind_to_user(struct unwind_frame_info *);
-
-#else
-
struct unwind_frame_info {};
static inline void unwind_init(void) {}
@@ -85,12 +28,12 @@ static inline void *unwind_add_table(struct module *mod,
return NULL;
}
-#endif
-
static inline void unwind_remove_table(void *handle, int init_only)
{
}
+#endif
+
static inline int unwind_init_frame_info(struct unwind_frame_info *info,
struct task_struct *tsk,
const struct pt_regs *regs)
@@ -122,6 +65,4 @@ static inline int unwind_to_user(struct unwind_frame_info *info)
return -ENOSYS;
}
-#endif
-
#endif /* _LINUX_UNWIND_H */
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index edef8d50b26..2a7b38d8701 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -8,16 +8,21 @@
#include <linux/timer.h>
#include <linux/linkage.h>
#include <linux/bitops.h>
+#include <asm/atomic.h>
struct workqueue_struct;
struct work_struct;
typedef void (*work_func_t)(struct work_struct *work);
+/*
+ * The first word is the work queue pointer and the flags rolled into
+ * one
+ */
+#define work_data_bits(work) ((unsigned long *)(&(work)->data))
+
struct work_struct {
- /* the first word is the work queue pointer and the flags rolled into
- * one */
- unsigned long management;
+ atomic_long_t data;
#define WORK_STRUCT_PENDING 0 /* T if work item pending execution */
#define WORK_STRUCT_NOAUTOREL 1 /* F if work item automatically released on exec */
#define WORK_STRUCT_FLAG_MASK (3UL)
@@ -26,6 +31,9 @@ struct work_struct {
work_func_t func;
};
+#define WORK_DATA_INIT(autorelease) \
+ ATOMIC_LONG_INIT((autorelease) << WORK_STRUCT_NOAUTOREL)
+
struct delayed_work {
struct work_struct work;
struct timer_list timer;
@@ -36,13 +44,13 @@ struct execute_work {
};
#define __WORK_INITIALIZER(n, f) { \
- .management = 0, \
+ .data = WORK_DATA_INIT(0), \
.entry = { &(n).entry, &(n).entry }, \
.func = (f), \
}
#define __WORK_INITIALIZER_NAR(n, f) { \
- .management = (1 << WORK_STRUCT_NOAUTOREL), \
+ .data = WORK_DATA_INIT(1), \
.entry = { &(n).entry, &(n).entry }, \
.func = (f), \
}
@@ -82,17 +90,21 @@ struct execute_work {
/*
* initialize all of a work item in one go
+ *
+ * NOTE! No point in using "atomic_long_set()": useing a direct
+ * assignment of the work data initializer allows the compiler
+ * to generate better code.
*/
#define INIT_WORK(_work, _func) \
do { \
- (_work)->management = 0; \
+ (_work)->data = (atomic_long_t) WORK_DATA_INIT(0); \
INIT_LIST_HEAD(&(_work)->entry); \
PREPARE_WORK((_work), (_func)); \
} while (0)
#define INIT_WORK_NAR(_work, _func) \
do { \
- (_work)->management = (1 << WORK_STRUCT_NOAUTOREL); \
+ (_work)->data = (atomic_long_t) WORK_DATA_INIT(1); \
INIT_LIST_HEAD(&(_work)->entry); \
PREPARE_WORK((_work), (_func)); \
} while (0)
@@ -114,15 +126,15 @@ struct execute_work {
* @work: The work item in question
*/
#define work_pending(work) \
- test_bit(WORK_STRUCT_PENDING, &(work)->management)
+ test_bit(WORK_STRUCT_PENDING, work_data_bits(work))
/**
* delayed_work_pending - Find out whether a delayable work item is currently
* pending
* @work: The work item in question
*/
-#define delayed_work_pending(work) \
- test_bit(WORK_STRUCT_PENDING, &(work)->work.management)
+#define delayed_work_pending(w) \
+ work_pending(&(w)->work)
/**
* work_release - Release a work item under execution
@@ -143,7 +155,7 @@ struct execute_work {
* This should also be used to release a delayed work item.
*/
#define work_release(work) \
- clear_bit(WORK_STRUCT_PENDING, &(work)->management)
+ clear_bit(WORK_STRUCT_PENDING, work_data_bits(work))
extern struct workqueue_struct *__create_workqueue(const char *name,
@@ -188,7 +200,7 @@ static inline int cancel_delayed_work(struct delayed_work *work)
ret = del_timer_sync(&work->timer);
if (ret)
- clear_bit(WORK_STRUCT_PENDING, &work->work.management);
+ work_release(&work->work);
return ret;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 02:45:40 +0000