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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-04 08:52:14 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-04 08:52:14 +0100 |
| commit | cb9c34e6d090d376b77becaa5d29a65dec7f4272 (patch) | |
| tree | 3678abce20d6825aebe3fec218057d4131e13fd6 /arch/s390/kernel/process.c | |
| parent | 470c66239ef0336429b35345f3f615d47341e13b (diff) | |
| parent | 061e41fdb5047b1fb161e89664057835935ca1d2 (diff) | |
Merge commit 'v2.6.28-rc7' into core/locking
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 3e2c05cb6a8..04f8c67a610 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -136,9 +136,12 @@ static void default_idle(void) return; } trace_hardirqs_on(); + /* Don't trace preempt off for idle. */ + stop_critical_timings(); /* Wait for external, I/O or machine check interrupt. */ __load_psw_mask(psw_kernel_bits | PSW_MASK_WAIT | PSW_MASK_IO | PSW_MASK_EXT); + start_critical_timings(); } void cpu_idle(void) |