diff options
| author | Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> | 2007-10-19 18:21:11 -0700 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-23 22:37:22 +0200 |
| commit | 9b7711f0839d12edac3abfc2f3e4c5bdc660878b (patch) | |
| tree | 72f364d2799f9797a07d390ec6c9d592bea4440b | |
| parent | 703530238b580d69d4a112d3ab3d58c0eb1e7246 (diff) | |
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>
| -rw-r--r-- | arch/x86/kernel/apic_64.c | 14 | ||||
| -rw-r--r-- | include/asm-x86/apic_64.h | 1 |
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index f47bc493dba..f28ccb588fb 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 diff --git a/include/asm-x86/apic_64.h b/include/asm-x86/apic_64.h index 3c8f21eef0b..2747a11a2b1 100644 --- a/include/asm-x86/apic_64.h +++ b/include/asm-x86/apic_64.h @@ -69,6 +69,7 @@ extern void clear_local_APIC (void); extern void connect_bsp_APIC (void); extern void disconnect_bsp_APIC (int virt_wire_setup); extern void disable_local_APIC (void); +extern void lapic_shutdown (void); extern int verify_local_APIC (void); extern void cache_APIC_registers (void); extern void sync_Arb_IDs (void); |