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| author |   Al Viro <viro@ftp.linux.org.uk> | 2006-01-12 01:05:50 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-12 09:08:54 -0800 |
| commit | 30af7120fe6cfa8cf9ccd0626474fa1cd6d2bd59 (patch) | |
| tree | 11b63f1e3c69444303a031eab445f3222f10a6c3 /arch/s390 | |
| parent | [PATCH] s390: task_pt_regs() (diff) | |
| download | linux-dev-30af7120fe6cfa8cf9ccd0626474fa1cd6d2bd59.tar.xz linux-dev-30af7120fe6cfa8cf9ccd0626474fa1cd6d2bd59.zip | |
[PATCH] s390: 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>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kernel/process.c | 9 | ||||
| -rw-r--r-- | arch/s390/kernel/smp.c | 2 | ||||
| -rw-r--r-- | arch/s390/kernel/traps.c | 4 |
3 files changed, 7 insertions, 8 deletions
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 9f643309ed3d..2ff90a1a1056 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -153,7 +153,7 @@ void show_regs(struct pt_regs *regs) { struct task_struct *tsk = current; - printk("CPU: %d %s\n", tsk->thread_info->cpu, print_tainted()); + printk("CPU: %d %s\n", task_thread_info(tsk)->cpu, print_tainted()); printk("Process %s (pid: %d, task: %p, ksp: %p)\n", current->comm, current->pid, (void *) tsk, (void *) tsk->thread.ksp); @@ -357,11 +357,10 @@ unsigned long get_wchan(struct task_struct *p) unsigned long return_address; int count; - if (!p || p == current || p->state == TASK_RUNNING || !p->thread_info) + if (!p || p == current || p->state == TASK_RUNNING || !task_stack_page(p)) return 0; - low = (struct stack_frame *) p->thread_info; - high = (struct stack_frame *) - ((unsigned long) p->thread_info + THREAD_SIZE) - 1; + low = task_stack_page(p); + high = (struct stack_frame *) task_pt_regs(p); sf = (struct stack_frame *) (p->thread.ksp & PSW_ADDR_INSN); if (sf <= low || sf > high) return 0; diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index e10f4ca00499..cbfcfd02a43a 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -657,7 +657,7 @@ __cpu_up(unsigned int cpu) idle = current_set[cpu]; cpu_lowcore = lowcore_ptr[cpu]; cpu_lowcore->kernel_stack = (unsigned long) - idle->thread_info + (THREAD_SIZE); + task_stack_page(idle) + (THREAD_SIZE); sf = (struct stack_frame *) (cpu_lowcore->kernel_stack - sizeof(struct pt_regs) - sizeof(struct stack_frame)); diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 012135b8b32e..5d21e9e6e7b4 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -136,8 +136,8 @@ void show_trace(struct task_struct *task, unsigned long * stack) sp = __show_trace(sp, S390_lowcore.async_stack - ASYNC_SIZE, S390_lowcore.async_stack); if (task) - __show_trace(sp, (unsigned long) task->thread_info, - (unsigned long) task->thread_info + THREAD_SIZE); + __show_trace(sp, (unsigned long) task_stack_page(task), + (unsigned long) task_stack_page(task) + THREAD_SIZE); else __show_trace(sp, S390_lowcore.thread_info, S390_lowcore.thread_info + THREAD_SIZE); |