diff options
Diffstat (limited to 'arch/i386/kernel/crash.c')
| -rw-r--r-- | arch/i386/kernel/crash.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/arch/i386/kernel/crash.c b/arch/i386/kernel/crash.c index 2b0cfce24a61..5b96f038367f 100644 --- a/arch/i386/kernel/crash.c +++ b/arch/i386/kernel/crash.c @@ -90,7 +90,7 @@ static void crash_save_self(struct pt_regs *regs) crash_save_this_cpu(regs, cpu); } -#ifdef CONFIG_SMP +#if defined(CONFIG_SMP) && defined(CONFIG_X86_LOCAL_APIC) static atomic_t waiting_for_crash_ipi; static int crash_nmi_callback(struct pt_regs *regs, int cpu) @@ -114,19 +114,15 @@ static int crash_nmi_callback(struct pt_regs *regs, int cpu) atomic_dec(&waiting_for_crash_ipi); /* Assume hlt works */ halt(); - for(;;); + for (;;) + cpu_relax(); return 1; } -/* - * By using the NMI code instead of a vector we just sneak thru the - * word generator coming out with just what we want. AND it does - * not matter if clustered_apic_mode is set or not. - */ static void smp_send_nmi_allbutself(void) { - send_IPI_allbutself(APIC_DM_NMI); + send_IPI_allbutself(NMI_VECTOR); } static void nmi_shootdown_cpus(void) @@ -162,7 +158,7 @@ static void nmi_shootdown_cpus(void) void machine_crash_shutdown(struct pt_regs *regs) { /* This function is only called after the system - * has paniced or is otherwise in a critical state. + * has panicked or is otherwise in a critical state. * The minimum amount of code to allow a kexec'd kernel * to run successfully needs to happen here. * |