lapic_shutdown is useless on x86_64.
Signed-off-by: Hiroshi Shimamoto <[email protected]>
---
arch/x86/kernel/apic_64.c | 14 --------------
arch/x86/kernel/crash.c | 5 +++++
include/asm-x86/apic_64.h | 1 -
3 files changed, 5 insertions(+), 15 deletions(-)
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index f28ccb5..f47bc49 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -287,20 +287,6 @@ 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/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index 8bb482f..79a5a25 100644
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -136,7 +136,12 @@ void machine_crash_shutdown(struct pt_regs *regs)
/* Make a note of crashing cpu. Will be used in NMI callback.*/
crashing_cpu = safe_smp_processor_id();
nmi_shootdown_cpus();
+#ifdef CONFIG_X86_32
lapic_shutdown();
+#else
+ if (cpu_has_apic)
+ disable_local_APIC();
+#endif
#if defined(CONFIG_X86_IO_APIC)
disable_IO_APIC();
#endif
diff --git a/include/asm-x86/apic_64.h b/include/asm-x86/apic_64.h
index 2747a11..3c8f21e 100644
--- a/include/asm-x86/apic_64.h
+++ b/include/asm-x86/apic_64.h
@@ -69,7 +69,6 @@ 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);
--
1.5.3.4
-
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