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x86: UV, SGI RTC: add generic system vector

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This patch allocates a system interrupt vector for various platform
specific uses.

Signed-off-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: john stultz <johnstul@us.ibm.com>
LKML-Reference: <20090304185605.GA24419@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Dimitri Sivanich
2009-03-04 12:56:05 -06:00
committed by Ingo Molnar
parent f254f3909e
commit acaabe795a
9 changed files with 52 additions and 0 deletions
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3
arch/x86/kernel/irqinit_32.c
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@@ -175,6 +175,9 @@ void __init native_init_IRQ(void)
/* self generated IPI for local APIC timer */
alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);
/* generic IPI for platform specific use */
alloc_intr_gate(GENERIC_INTERRUPT_VECTOR, generic_interrupt);
/* IPI vectors for APIC spurious and error interrupts */
alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt);