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remove some unsafe sti insns before INTRFASTEXIT, which 

can allow infinite recursion of the handler.
This commit is contained in:
yamt 2005-06-12 05:32:45 +00:00
parent 88c3eadbfa
commit a61427049c
1 changed files with 1 additions and 4 deletions
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5
sys/arch/i386/i386/vector.S
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@ -1,4 +1,4 @@
/* $NetBSD: vector.S,v 1.18 2005/05/31 00:45:03 chs Exp $ */
/* $NetBSD: vector.S,v 1.19 2005/06/12 05:32:45 yamt Exp $ */
/*
* Copyright 2002 (c) Wasabi Systems, Inc.
@ -175,7 +175,6 @@ IDTVEC(resume_lapic_ipi)
jmp _C_LABEL(Xdoreti)
2:
orl $(1 << LIR_IPI),CPUVAR(IPENDING)
sti
INTRFASTEXIT
#if defined(DDB)
@ -228,7 +227,6 @@ IDTVEC(resume_lapic_ltimer)
jmp _C_LABEL(Xdoreti)
2:
orl $(1 << LIR_TIMER),CPUVAR(IPENDING)
sti
INTRFASTEXIT
#endif /* NLAPIC > 0 */
@ -312,7 +310,6 @@ IDTVEC(intr_/**/name/**/num) ;\
9: \
unmask(num) ;\
late_ack(num) ;\
sti ;\
INTRFASTEXIT
#define ICUADDR IO_ICU1