From: Eduardo Habkost Date: Wed, 12 Nov 2008 13:34:38 +0000 (-0200) Subject: x86 kdump: move crashing_cpu assignment to nmi_shootdown_cpus() X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b2bbe71b829564fb65a6bc7e1e25e02d70cffce8;p=openwrt%2Fstaging%2Fblogic.git x86 kdump: move crashing_cpu assignment to nmi_shootdown_cpus() Impact: cleanup This variable will be moved to non-kdump-specific code. Signed-off-by: Eduardo Habkost Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c index 60475422a51a..ed2f0f9dc894 100644 --- a/arch/x86/kernel/crash.c +++ b/arch/x86/kernel/crash.c @@ -29,10 +29,11 @@ #include +#if defined(CONFIG_SMP) && defined(CONFIG_X86_LOCAL_APIC) + /* This keeps a track of which one is crashing cpu. */ static int crashing_cpu; -#if defined(CONFIG_SMP) && defined(CONFIG_X86_LOCAL_APIC) static atomic_t waiting_for_crash_ipi; static void kdump_nmi_callback(int cpu, struct die_args *args) @@ -100,6 +101,9 @@ static void nmi_shootdown_cpus(void) { unsigned long msecs; + /* Make a note of crashing cpu. Will be used in NMI callback.*/ + crashing_cpu = safe_smp_processor_id(); + atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1); /* Would it be better to replace the trap vector here? */ if (register_die_notifier(&crash_nmi_nb)) @@ -140,8 +144,6 @@ void native_machine_crash_shutdown(struct pt_regs *regs) /* The kernel is broken so disable interrupts */ local_irq_disable(); - /* Make a note of crashing cpu. Will be used in NMI callback.*/ - crashing_cpu = safe_smp_processor_id(); nmi_shootdown_cpus(); lapic_shutdown(); #if defined(CONFIG_X86_IO_APIC)