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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-18 21:54:49 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-18 21:54:49 +0100 |
| commit | d110ec3a1e1f522e2e9dfceb9c36d6590c26d2d4 (patch) | |
| tree | 86b2f8f1d22b74b05239525c55bd42e3db6afc03 /arch/s390/kernel/process.c | |
| parent | 343e9099c8152daff20e10d6269edec21da44fc0 (diff) | |
| parent | 55dac3a5553b13891f0ae4bbd11920619b5436d4 (diff) | |
Merge branch 'linus' into core/rcu
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) |