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Commit 4ebcc243 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin Committed by Ingo Molnar
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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: default avatarMichael 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: default avatarIngo Molnar <mingo@kernel.org>
parent c8f64bf7

arch/x86/include/asm/apic.h

+1 −3
Original line number Diff line number Diff line
@@ -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)