Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9b7711f0839d12edac3abfc2f3e4c5bdc660878b
Commit: 9b7711f0839d12edac3abfc2f3e4c5bdc660878b
Parent: 703530238b580d69d4a112d3ab3d58c0eb1e7246
Author: Hiroshi Shimamoto <[EMAIL PROTECTED]>
AuthorDate: Fri Oct 19 18:21:11 2007 -0700
Committer: Thomas Gleixner <[EMAIL PROTECTED]>
CommitDate: Tue Oct 23 22:37:22 2007 +0200
x86: add lapic_shutdown for x86_64
Preperatory patch to allow crash_32/64.c merging
Signed-off-by: Hiroshi Shimamoto <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
arch/x86/kernel/apic_64.c | 14 ++++++++++++++
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 f47bc49..f28ccb5 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 3c8f21e..2747a11 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);
-
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