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Only post EOI once for shared interrupts. From Mark Kettenis.

This commit is contained in:
skrll 2010-04-24 10:41:21 +00:00
parent a7fd2c6cc1
commit 49c6adcedf
1 changed files with 4 additions and 4 deletions
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8
sys/arch/hp700/dev/apic.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: apic.c,v 1.6 2010/01/05 13:20:29 mbalmer Exp $ */
/* $NetBSD: apic.c,v 1.7 2010/04/24 10:41:21 skrll Exp $ */
/* $OpenBSD: apic.c,v 1.7 2007/10/06 23:50:54 krw Exp $ */
@ -235,19 +235,19 @@ apic_intr(void *v)
struct apic_iv *iv = v;
struct elroy_softc *sc = iv->sc;
volatile struct elroy_regs *r = sc->sc_regs;
uint32_t irq = APIC_INT_IRQ(iv->ih);
int claimed = 0;
while (iv) {
if (iv->handler(iv->arg)) {
if (iv->cnt)
iv->cnt->ev_count++;
/* Signal EOI. */
elroy_write32(&r->apic_eoi,
htole32((31 - APIC_INT_IRQ(iv->ih)) & APIC_ENT0_VEC));
claimed = 1;
}
iv = iv->next;
}
/* Signal EOI. */
elroy_write32(&r->apic_eoi, htole32((31 - irq) & APIC_ENT0_VEC));
return (claimed);
}