diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-13 20:48:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-13 20:48:25 -0700 |
| commit | 0ff8285075a1242dbc969b6b4b1719d692931a02 (patch) | |
| tree | 75498fec971960aa9a038846cf7d2561a49bce73 /arch/sparc64/kernel/traps.c | |
| parent | 8d0968abd03ec6b407df117adc773562386702fa (diff) | |
| parent | 6f63e781eaf6a741fc65f773017154b20ed4ce3b (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc64: Handle stack trace attempts before irqstacks are setup.
sparc64: Implement IRQ stacks.
sparc: remove include of linux/of_device.h from asm/of_device.h
sparc64: Fix recursion in stack overflow detection handling.
sparc/drivers: use linux/of_device.h instead of asm/of_device.h
sparc64: Don't MAGIC_SYSRQ ifdef smp_fetch_global_regs and support code.
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; |