diff options
| author | David S. Miller <davem@davemloft.net> | 2008-08-12 18:33:56 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-08-12 18:33:56 -0700 |
| commit | 4f70f7a91bffdcc39f088748dc678953eb9a3fbd (patch) | |
| tree | 934591a9518fbed87c14b758a1744cc30c9dfbb8 /arch/sparc64/kernel/traps.c | |
| parent | e34456825de0d3ac4c4e8fe0bdc6b599404ea06f (diff) | |
sparc64: Implement IRQ stacks.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/traps.c')
| -rw-r--r-- | arch/sparc64/kernel/traps.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c index 404e8561e2d..3d924121c79 100644 --- a/arch/sparc64/kernel/traps.c +++ b/arch/sparc64/kernel/traps.c @@ -39,6 +39,7 @@ #include <asm/prom.h> #include "entry.h" +#include "kstack.h" /* When an irrecoverable trap occurs at tl > 0, the trap entry * code logs the trap state registers at every level in the trap @@ -2115,14 +2116,12 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) struct pt_regs *regs; unsigned long pc; - /* Bogus frame pointer? */ - if (fp < (thread_base + sizeof(struct thread_info)) || - fp >= (thread_base + THREAD_SIZE)) + if (!kstack_valid(tp, fp)) break; sf = (struct sparc_stackf *) fp; regs = (struct pt_regs *) (sf + 1); - if ((regs->magic & ~0x1ff) == PT_REGS_MAGIC) { + if (kstack_is_trap_frame(tp, regs)) { if (!(regs->tstate & TSTATE_PRIV)) break; pc = regs->tpc; |