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authorBjörn Steinbrink <B.Steinbrink@gmx.de>2007-06-16 10:16:04 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-16 13:16:15 -0700
commitda88ba17de990a4b0d18ecde2c40355700888750 (patch)
tree2783192afd8c7688ce5715346fafea33b185d0a4 /arch/i386
parent2f41dddbbd7193fb5cdae0a24db4d378d56885fd (diff)
perfctr-watchdog: fix interchanged parameters to release_{evntsel,perfctr}_nmi
Fix oops triggered during: echo 0 > /proc/sys/kernel/nmi_watchdog The culprit seems to be 09198e68501a7e34737cd9264d266f42429abcdc: [PATCH] i386: Clean up NMI watchdog code In two places, the parameters to release_{evntsel,perfctr}_nmi got interchanged during the cleanup. Fix interchanged parameters to release_{evntsel,perfctr}_nmi. Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de> Cc: Stephane Eranian <eranian@hpl.hp.com> Cc: Andi Kleen <ak@suse.de> Cc: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/i386')
-rw-r--r--arch/i386/kernel/cpu/perfctr-watchdog.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/i386/kernel/cpu/perfctr-watchdog.c b/arch/i386/kernel/cpu/perfctr-watchdog.c
index 98488f997da..f0b67630b90 100644
--- a/arch/i386/kernel/cpu/perfctr-watchdog.c
+++ b/arch/i386/kernel/cpu/perfctr-watchdog.c
@@ -276,8 +276,8 @@ static int single_msr_reserve(void)
static void single_msr_unreserve(void)
{
- release_evntsel_nmi(wd_ops->perfctr);
- release_perfctr_nmi(wd_ops->evntsel);
+ release_evntsel_nmi(wd_ops->evntsel);
+ release_perfctr_nmi(wd_ops->perfctr);
}
static void single_msr_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz)
@@ -475,10 +475,10 @@ static void p4_unreserve(void)
{
#ifdef CONFIG_SMP
if (smp_num_siblings > 1)
- release_evntsel_nmi(MSR_P4_IQ_PERFCTR1);
+ release_perfctr_nmi(MSR_P4_IQ_PERFCTR1);
#endif
- release_evntsel_nmi(MSR_P4_IQ_PERFCTR0);
- release_perfctr_nmi(MSR_P4_CRU_ESCR0);
+ release_evntsel_nmi(MSR_P4_CRU_ESCR0);
+ release_perfctr_nmi(MSR_P4_IQ_PERFCTR0);
}
static void p4_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz)