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| author | Viresh Kumar <viresh.kumar@linaro.org> | 2014-06-24 06:31:01 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-07-05 11:17:31 +0200 |
| commit | 89abb5ad10ae8ac3405e635ac80815f781c8b8e9 (patch) | |
| tree | 13ef41930fadb7894ac92c953a078da8123f1d80 /kernel/sched/idle.c | |
| parent | sched: Fix clock_gettime(CLOCK_[PROCESS/THREAD]_CPUTIME_ID) monotonicity (diff) | |
| download | linux-89abb5ad10ae8ac3405e635ac80815f781c8b8e9.tar.xz linux-89abb5ad10ae8ac3405e635ac80815f781c8b8e9.zip | |
sched/idle: Drop !! while calculating 'broadcast'
We don't need 'broadcast' to be set to 'zero or one', but to 'zero or non-zero'
and so the extra operation to convert it to 'zero or one' can be skipped.
Also change type of 'broadcast' to unsigned int, i.e. type of
drv->states[*].flags.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: linaro-kernel@lists.linaro.org
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/0dfbe2976aa108c53e08d3477ea90f6360c1f54c.1403584026.git.viresh.kumar@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/idle.c')
| -rw-r--r-- | kernel/sched/idle.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c index cf009fb0bc25..9f1608f99819 100644 --- a/kernel/sched/idle.c +++ b/kernel/sched/idle.c @@ -79,7 +79,7 @@ static void cpuidle_idle_call(void) struct cpuidle_device *dev = __this_cpu_read(cpuidle_devices); struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev); int next_state, entered_state; - bool broadcast; + unsigned int broadcast; /* * Check if the idle task must be rescheduled. If it is the @@ -135,7 +135,7 @@ use_default: goto exit_idle; } - broadcast = !!(drv->states[next_state].flags & CPUIDLE_FLAG_TIMER_STOP); + broadcast = drv->states[next_state].flags & CPUIDLE_FLAG_TIMER_STOP; /* * Tell the time framework to switch to a broadcast timer |