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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-16 22:04:48 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-16 22:04:48 +0100 |
| commit | 78f902ccc597d6ce3e8d1477d70f2d79e960ba7a (patch) | |
| tree | c6ceab663de16501d1dda1c1596fe2dacaaef8e3 /arch/s390/kernel/process.c | |
| parent | 9ee670fd87b7d69c8633b94c42aadcbbcb96f28e (diff) | |
| parent | 8b1fae4e4200388b64dd88065639413cb3f1051c (diff) | |
| download | linux-78f902ccc597d6ce3e8d1477d70f2d79e960ba7a.tar.bz2 | |
Merge commit 'v2.6.28-rc8' into x86/doc
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) 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) |