diff options
| author | Len Brown <len.brown@intel.com> | 2016-11-18 09:23:19 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-11-18 14:07:57 +0300 |
| commit | f08b5fe2d4eeb0a8a6e0e7e71928cf2c7b1b791d (patch) | |
| tree | 2b0d36ac6114084f80675b4aede502d8d88efde8 /arch/x86/kernel/process.c | |
| parent | 8e7a7ee9ddd5d4275f1194ef2cc243ea86b0fb6f (diff) | |
| download | linux-f08b5fe2d4eeb0a8a6e0e7e71928cf2c7b1b791d.tar.xz | |
x86/idle: Remove is_idle flag
Upon removal of the idle_notifier, all accesses to the "is_idle" flag serve
no purpose.
Signed-off-by: Len Brown <len.brown@intel.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: http://lkml.kernel.org/r/e4a24197cf9c227fcd1ca2df09999eaec9052f49.1479449716.git.len.brown@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/process.c')
| -rw-r--r-- | arch/x86/kernel/process.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index f51950715145..d8e9d794e114 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -65,10 +65,6 @@ __visible DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, cpu_tss) = { }; EXPORT_PER_CPU_SYMBOL(cpu_tss); -#ifdef CONFIG_X86_64 -static DEFINE_PER_CPU(unsigned char, is_idle); -#endif - /* * this gets called so that we can store lazy state into memory and copy the * current task into the new thread. @@ -241,13 +237,10 @@ static inline void play_dead(void) #ifdef CONFIG_X86_64 void enter_idle(void) { - this_cpu_write(is_idle, 1); } static void __exit_idle(void) { - if (x86_test_and_clear_bit_percpu(0, is_idle) == 0) - return; } /* Called from interrupts to signify idle end */ |