diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2012-05-16 19:03:44 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-05-18 09:46:08 +0200 |
| commit | 4ebcc243901c48ee3baba6bdf179c7315fa8806f (patch) | |
| tree | b6e7ef8617a6b3362d1eb487c60422849076494c /arch/x86 | |
| parent | c8f64bf7df9e4858c051b6c1c09582359b97677d (diff) | |
x86/apic: Use symbolic APIC_EOI_ACK
Use the symbol instead of hard-coded numbers,
now that the reason for the value is documented
where the constant is defined we don't need to
duplicate this explanation in code.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cc: Avi Kivity <avi@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: gleb@redhat.com
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/ecbe4c79d69c172378e47e5a587ff5cd10293c9f.1337184153.git.mst@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/apic.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index d85410171260..a09e9ab0bbdf 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -463,9 +463,7 @@ static inline void ack_APIC_irq(void) * ack_APIC_irq() actually gets compiled as a single instruction * ... yummie. */ - - /* Docs say use 0 for future compatibility */ - apic_write(APIC_EOI, 0); + apic_write(APIC_EOI, APIC_EOI_ACK); } static inline unsigned default_get_apic_id(unsigned long x) |