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-rw-r--r--arch/x86/kernel/process.c7
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 */