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-rw-r--r--arch/i386/kernel/crash.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/i386/kernel/crash.c b/arch/i386/kernel/crash.c
index af809cc..0248e08 100644
--- a/arch/i386/kernel/crash.c
+++ b/arch/i386/kernel/crash.c
@@ -21,6 +21,7 @@
#include <asm/hardirq.h>
#include <asm/nmi.h>
#include <asm/hw_irq.h>
+#include <asm/apic.h>
#include <mach_ipi.h>
@@ -147,6 +148,7 @@ static int crash_nmi_callback(struct pt_regs *regs, int cpu)
regs = &fixed_regs;
}
crash_save_this_cpu(regs, cpu);
+ disable_local_APIC();
atomic_dec(&waiting_for_crash_ipi);
/* Assume hlt works */
halt();
@@ -186,6 +188,7 @@ static void nmi_shootdown_cpus(void)
}
/* Leave the nmi callback set */
+ disable_local_APIC();
}
#else
static void nmi_shootdown_cpus(void)
@@ -210,5 +213,9 @@ void machine_crash_shutdown(struct pt_regs *regs)
/* Make a note of crashing cpu. Will be used in NMI callback.*/
crashing_cpu = smp_processor_id();
nmi_shootdown_cpus();
+ lapic_shutdown();
+#if defined(CONFIG_X86_IO_APIC)
+ disable_IO_APIC();
+#endif
crash_save_self(regs);
}