diff options
| -rw-r--r-- | arch/powerpc/kernel/crash.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c index 6f4613dd05ef..fbe3c1c93bd6 100644 --- a/arch/powerpc/kernel/crash.c +++ b/arch/powerpc/kernel/crash.c @@ -347,10 +347,12 @@ int crash_shutdown_unregister(crash_shutdown_t handler) EXPORT_SYMBOL(crash_shutdown_unregister); static unsigned long crash_shutdown_buf[JMP_BUF_LEN]; +static int crash_shutdown_cpu = -1; static int handle_fault(struct pt_regs *regs) { - longjmp(crash_shutdown_buf, 1); + if (crash_shutdown_cpu == smp_processor_id()) + longjmp(crash_shutdown_buf, 1); return 0; } @@ -388,6 +390,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs) */ old_handler = __debugger_fault_handler; __debugger_fault_handler = handle_fault; + crash_shutdown_cpu = smp_processor_id(); for (i = 0; crash_shutdown_handles[i]; i++) { if (setjmp(crash_shutdown_buf) == 0) { /* @@ -401,6 +404,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs) asm volatile("sync; isync"); } } + crash_shutdown_cpu = -1; __debugger_fault_handler = old_handler; /* |