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| author | Al Viro <viro@ftp.linux.org.uk> | 2006-01-12 01:06:00 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-12 09:08:57 -0800 |
| commit | 7fdf0d7a2012e560fee738bfd7f2af26faeb3a39 (patch) | |
| tree | 385216347b902e00104ec01a53c5c6ba020d390c | |
| parent | 02ef691f6ce4097da5617ebf59493487cb2b4f82 (diff) | |
| download | op-kernel-dev-7fdf0d7a2012e560fee738bfd7f2af26faeb3a39.zip op-kernel-dev-7fdf0d7a2012e560fee738bfd7f2af26faeb3a39.tar.gz | |
[PATCH] arm26: task_stack_page()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/arm26/kernel/traps.c | 8 | ||||
| -rw-r--r-- | include/asm-arm26/thread_info.h | 2 |
2 files changed, 5 insertions, 5 deletions
diff --git a/arch/arm26/kernel/traps.c b/arch/arm26/kernel/traps.c index f64f590..5847ea5 100644 --- a/arch/arm26/kernel/traps.c +++ b/arch/arm26/kernel/traps.c @@ -132,7 +132,7 @@ static void dump_instr(struct pt_regs *regs) /*static*/ void __dump_stack(struct task_struct *tsk, unsigned long sp) { - dump_mem("Stack: ", sp, 8192+(unsigned long)tsk->thread_info); + dump_mem("Stack: ", sp, 8192+(unsigned long)task_stack_page(tsk)); } void dump_stack(void) @@ -158,7 +158,7 @@ void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk) } else if (verify_stack(fp)) { printk("invalid frame pointer 0x%08x", fp); ok = 0; - } else if (fp < (unsigned long)(tsk->thread_info + 1)) + } else if (fp < (unsigned long)end_of_stack(tsk)) printk("frame pointer underflow"); printk("\n"); @@ -168,7 +168,7 @@ void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk) /* FIXME - this is probably wrong.. */ void show_stack(struct task_struct *task, unsigned long *sp) { - dump_mem("Stack: ", (unsigned long)sp, 8192+(unsigned long)task->thread_info); + dump_mem("Stack: ", (unsigned long)sp, 8192+(unsigned long)task_stack_page(task)); } DEFINE_SPINLOCK(die_lock); @@ -187,7 +187,7 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) printk("CPU: %d\n", smp_processor_id()); show_regs(regs); printk("Process %s (pid: %d, stack limit = 0x%p)\n", - current->comm, current->pid, tsk->thread_info + 1); + current->comm, current->pid, end_of_stack(tsk)); if (!user_mode(regs) || in_interrupt()) { __dump_stack(tsk, (unsigned long)(regs + 1)); diff --git a/include/asm-arm26/thread_info.h b/include/asm-arm26/thread_info.h index f332b40..7a35e7a 100644 --- a/include/asm-arm26/thread_info.h +++ b/include/asm-arm26/thread_info.h @@ -82,7 +82,7 @@ static inline struct thread_info *current_thread_info(void) /* FIXME - PAGE_SIZE < 32K */ #define THREAD_SIZE (8*32768) // FIXME - this needs attention (see kernel/fork.c which gets a nice div by zero if this is lower than 8*32768 -#define task_pt_regs(task) ((struct pt_regs *)((unsigned long)(task)->thread_info + THREAD_SIZE - 8) - 1) +#define task_pt_regs(task) ((struct pt_regs *)(task_stack_page(task) + THREAD_SIZE - 8) - 1) extern struct thread_info *alloc_thread_info(struct task_struct *task); extern void free_thread_info(struct thread_info *); |
