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author | Ingo Molnar <mingo@elte.hu> | 2008-11-17 04:46:18 -0500 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-11-17 04:46:18 -0500 |
commit | 9dacc71ff31a008d1e689fc824d31f6696454f68 (patch) | |
tree | b792f9c30008e1ed469a73ead4339fdf8a50a5ce /arch/s390/kernel/process.c | |
parent | 19f47c634ea8c5a10ff7bb1a08c52fd0f49bc54c (diff) | |
parent | 9bf1a2445f3c569098b8de7097ca324e65abecc2 (diff) |
Merge commit 'v2.6.28-rc5' into x86/cleanups
Diffstat (limited to 'arch/s390/kernel/process.c')
-rw-r--r-- | arch/s390/kernel/process.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 3e2c05cb6a87..04f8c67a6101 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c | |||
@@ -136,9 +136,12 @@ static void default_idle(void) | |||
136 | return; | 136 | return; |
137 | } | 137 | } |
138 | trace_hardirqs_on(); | 138 | trace_hardirqs_on(); |
139 | /* Don't trace preempt off for idle. */ | ||
140 | stop_critical_timings(); | ||
139 | /* Wait for external, I/O or machine check interrupt. */ | 141 | /* Wait for external, I/O or machine check interrupt. */ |
140 | __load_psw_mask(psw_kernel_bits | PSW_MASK_WAIT | | 142 | __load_psw_mask(psw_kernel_bits | PSW_MASK_WAIT | |
141 | PSW_MASK_IO | PSW_MASK_EXT); | 143 | PSW_MASK_IO | PSW_MASK_EXT); |
144 | start_critical_timings(); | ||
142 | } | 145 | } |
143 | 146 | ||
144 | void cpu_idle(void) | 147 | void cpu_idle(void) |