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| author |   Vivek Goyal <vgoyal@in.ibm.com> | 2006-01-11 22:45:09 +0100 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-11 19:04:57 -0800 |
| commit | b9d1e4bd6e44f2a75340226eb5f762e16bb4652f (patch) | |
| tree | e886056fb4a412e98e8f52e559c16be95994db55 /include/asm-x86_64/apicdef.h | |
| parent | [PATCH] x86_64: Remove duplicate exports (diff) | |
| download | linux-dev-b9d1e4bd6e44f2a75340226eb5f762e16bb4652f.tar.xz linux-dev-b9d1e4bd6e44f2a75340226eb5f762e16bb4652f.zip | |
[PATCH] x86_64: x86_64 write apic id fix
o Apic id is in most significant 8 bits of APIC_ID register. Current code
is trying to write apic id to least significant 8 bits. This patch fixes
it.
o This fix enables booting uni kdump capture kernel on a cpu with non-zero
apic id.
Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-x86_64/apicdef.h')
| -rw-r--r-- | include/asm-x86_64/apicdef.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-x86_64/apicdef.h b/include/asm-x86_64/apicdef.h index fb1c99ac669f..decaa2d540e8 100644 --- a/include/asm-x86_64/apicdef.h +++ b/include/asm-x86_64/apicdef.h @@ -13,6 +13,7 @@ #define APIC_ID 0x20 #define APIC_ID_MASK (0xFFu<<24) #define GET_APIC_ID(x) (((x)>>24)&0xFFu) +#define SET_APIC_ID(x) (((x)<<24)) #define APIC_LVR 0x30 #define APIC_LVR_MASK 0xFF00FF #define GET_APIC_VERSION(x) ((x)&0xFFu) |