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x86/apic: Fix typo EIO_ACK -> EOI_ACK and document it

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Fix typo in the macro name and document the
reason it has this value. Update users.

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/37867b31b9330690af2e60a2a7c4cb4b1b070caf.1337184153.git.mst@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Michael S. Tsirkin 2012-05-16 19:03:25 +03:00 committed by Ingo Molnar
parent 87e4baacae
commit c8f64bf7df
2 changed files with 2 additions and 2 deletions
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2
arch/x86/include/asm/apicdef.h
View File

@ -37,7 +37,7 @@
#define APIC_ARBPRI_MASK 0xFFu
#define APIC_PROCPRI 0xA0
#define APIC_EOI 0xB0
#define APIC_EIO_ACK 0x0
#define APIC_EOI_ACK 0x0 /* Docs say 0 for future compat. */
#define APIC_RRR 0xC0
#define APIC_LDR 0xD0
#define APIC_LDR_MASK (0xFFu << 24)

2
arch/x86/platform/visws/visws_quirks.c
View File

@ -445,7 +445,7 @@ static void ack_cobalt_irq(struct irq_data *data)
spin_lock_irqsave(&cobalt_lock, flags);
disable_cobalt_irq(data);
apic_write(APIC_EOI, APIC_EIO_ACK);
apic_write(APIC_EOI, APIC_EOI_ACK);
spin_unlock_irqrestore(&cobalt_lock, flags);
}