diff options
| author | Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> | 2007-10-20 03:21:11 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-23 22:37:22 +0200 |
| commit | 9b7711f0839d12edac3abfc2f3e4c5bdc660878b (patch) | |
| tree | 72f364d2799f9797a07d390ec6c9d592bea4440b /arch | |
| parent | x86: merge mmu{,_32,_64}.h (diff) | |
| download | linux-9b7711f0839d12edac3abfc2f3e4c5bdc660878b.tar.xz linux-9b7711f0839d12edac3abfc2f3e4c5bdc660878b.zip | |
x86: add lapic_shutdown for x86_64
Preperatory patch to allow crash_32/64.c merging
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/apic_64.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index f47bc493dba9..f28ccb588fba 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -287,6 +287,20 @@ void disable_local_APIC(void) apic_write(APIC_SPIV, value); } +void lapic_shutdown(void) +{ + unsigned long flags; + + if (!cpu_has_apic) + return; + + local_irq_save(flags); + + disable_local_APIC(); + + local_irq_restore(flags); +} + /* * This is to verify that we're looking at a real local APIC. * Check these against your board if the CPUs aren't getting |