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Don't process CLOCK or DEVICE interrupts if we're not the primary CPU.

This commit is contained in:
thorpej 1998-09-29 07:02:04 +00:00
parent 30ec5015b1
commit 469f020ae3
1 changed files with 17 additions and 5 deletions
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22
sys/arch/alpha/alpha/interrupt.c
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@ -1,4 +1,4 @@
/* $NetBSD: interrupt.c,v 1.30 1998/09/26 00:03:51 thorpej Exp $ */
/* $NetBSD: interrupt.c,v 1.31 1998/09/29 07:02:04 thorpej Exp $ */
/*
* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
@ -37,7 +37,7 @@
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: interrupt.c,v 1.30 1998/09/26 00:03:51 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: interrupt.c,v 1.31 1998/09/29 07:02:04 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -73,13 +73,15 @@ interrupt(a0, a1, a2, framep)
unsigned long a0, a1, a2;
struct trapframe *framep;
{
#if defined(MULTIPROCESSOR)
u_long cpu_id = alpha_pal_whami();
#endif
switch (a0) {
case ALPHA_INTR_XPROC: /* interprocessor interrupt */
#if defined(MULTIPROCESSOR)
{
struct cpu_softc *sc;
u_long cpu_id = alpha_pal_whami();
u_long pending_ipis, bit;
sc = cpus[cpu_id];
@ -111,6 +113,11 @@ interrupt(a0, a1, a2, framep)
break;
case ALPHA_INTR_CLOCK: /* clock interrupt */
#if defined(MULTIPROCESSOR)
/* XXX XXX XXX */
if (cpu_id != hwrpb->rpb_primary_cpu_id)
return;
#endif
#if defined(UVM)
uvmexp.intrs++;
#else
@ -134,6 +141,11 @@ interrupt(a0, a1, a2, framep)
break;
case ALPHA_INTR_DEVICE: /* I/O device interrupt */
#if defined(MULTIPROCESSOR)
/* XXX XXX XXX */
if (cpu_id != hwrpb->rpb_primary_cpu_id)
return;
#endif
#if defined(UVM)
uvmexp.intrs++;
#else
@ -155,8 +167,8 @@ interrupt(a0, a1, a2, framep)
break;
default:
printf("unexpected interrupt: type 0x%lx vec 0x%lx a2 0x%lx\n",
a0, a1, a2);
printf("unexpected interrupt: type 0x%lx vec 0x%lx "
"a2 0x%lx cpu %lu\n", a0, a1, a2, cpu_id);
panic("interrupt");
/* NOTREACHED */
}