From a6a31139897a5e539efe7ad3b7bd351fa9673ce8 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 27 Sep 2006 18:22:14 +0900 Subject: sh: Add support for 4K stacks. This enables support for 4K stacks on SH. Currently this depends on DEBUG_KERNEL, but likely all boards will switch to this as the default in the future. Signed-off-by: Paul Mundt --- arch/sh/kernel/traps.c | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-) (limited to 'arch/sh/kernel/traps.c') diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c index 95c810b3c97e..c2c597e09482 100644 --- a/arch/sh/kernel/traps.c +++ b/arch/sh/kernel/traps.c @@ -741,20 +741,12 @@ void show_stack(struct task_struct *tsk, unsigned long *sp) unsigned long module_end = VMALLOC_END; int i = 1; - if (tsk && !sp) { + if (!tsk) + tsk = current; + if (tsk == current) + sp = (unsigned long *)current_stack_pointer; + else sp = (unsigned long *)tsk->thread.sp; - } - - if (!sp) { - __asm__ __volatile__ ( - "mov r15, %0\n\t" - "stc r7_bank, %1\n\t" - : "=r" (module_start), - "=r" (module_end) - ); - - sp = (unsigned long *)module_start; - } stack = sp; -- cgit v1.2.3-55-g7522