diff options
| -rw-r--r-- | arch/sparc/kernel/process_32.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index c85241006e32..2be4214b3905 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -142,11 +142,13 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) struct reg_window32 *rw; int count = 0; - if (tsk != NULL) - task_base = (unsigned long) task_stack_page(tsk); - else - task_base = (unsigned long) current_thread_info(); + if (!tsk) + tsk = current; + if (tsk == current && !_ksp) + __asm__ __volatile__("mov %%fp, %0" : "=r" (_ksp)); + + task_base = (unsigned long) task_stack_page(tsk); fp = (unsigned long) _ksp; do { /* Bogus frame pointer? */ @@ -164,11 +166,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) void dump_stack(void) { - unsigned long *ksp; - - __asm__ __volatile__("mov %%fp, %0" - : "=r" (ksp)); - show_stack(current, ksp); + show_stack(current, NULL); } EXPORT_SYMBOL(dump_stack); |