Patchwork [3/4] sched: Use local_irq_save_nmi() in cpu_clock()

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Submitter David Miller
Date April 9, 2010, 11:01 p.m.
Message ID <20100409.160140.250344636.davem@davemloft.net>
Download mbox | patch
Permalink /patch/49874/
State Not Applicable
Delegated to: David Miller
Headers show

Comments

David Miller - April 9, 2010, 11:01 p.m.
Since we can call cpu_clock() from NMI context fix up the IRQ
disabling to conform to the new rules.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 kernel/sched_clock.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

Patch

diff --git a/kernel/sched_clock.c b/kernel/sched_clock.c
index 5b49613..ef159ee 100644
--- a/kernel/sched_clock.c
+++ b/kernel/sched_clock.c
@@ -241,9 +241,9 @@  unsigned long long cpu_clock(int cpu)
 	unsigned long long clock;
 	unsigned long flags;
 
-	local_irq_save(flags);
+	local_irq_save_nmi(flags);
 	clock = sched_clock_cpu(cpu);
-	local_irq_restore(flags);
+	local_irq_restore_nmi(flags);
 
 	return clock;
 }