diff options
| author | Vivek Goyal <vgoyal@in.ibm.com> | 2006-01-11 16:45:09 -0500 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-11 22:04:57 -0500 |
| commit | b9d1e4bd6e44f2a75340226eb5f762e16bb4652f (patch) | |
| tree | e886056fb4a412e98e8f52e559c16be95994db55 /include/asm-x86_64 | |
| parent | aea9fca1dc8a1f9ac5d3b76ef04516a010cbf2e4 (diff) | |
[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')
| -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 @@ | |||
| 13 | #define APIC_ID 0x20 | 13 | #define APIC_ID 0x20 |
| 14 | #define APIC_ID_MASK (0xFFu<<24) | 14 | #define APIC_ID_MASK (0xFFu<<24) |
| 15 | #define GET_APIC_ID(x) (((x)>>24)&0xFFu) | 15 | #define GET_APIC_ID(x) (((x)>>24)&0xFFu) |
| 16 | #define SET_APIC_ID(x) (((x)<<24)) | ||
| 16 | #define APIC_LVR 0x30 | 17 | #define APIC_LVR 0x30 |
| 17 | #define APIC_LVR_MASK 0xFF00FF | 18 | #define APIC_LVR_MASK 0xFF00FF |
| 18 | #define GET_APIC_VERSION(x) ((x)&0xFFu) | 19 | #define GET_APIC_VERSION(x) ((x)&0xFFu) |