diff options
| author | Uros Bizjak <ubizjak@gmail.com> | 2025-04-18 10:07:43 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-04-18 10:19:26 +0200 |
| commit | 3ce4b1f1f24bbd9f1c349ecb6641dfa038bd0b5a (patch) | |
| tree | 4d9ad6e43dfc4d8e35dadd31feccbe911be9eb9d | |
| parent | d109ff4f0bc32de354247a6e8ede3ffc8ef14cd0 (diff) | |
x86/asm: Rename rep_nop() to native_pause()
Rename rep_nop() function to what it really does.
No functional change intended.
Suggested-by: David Laight <david.laight.linux@gmail.com>
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Link: https://lore.kernel.org/r/20250418080805.83679-1-ubizjak@gmail.com
| -rw-r--r-- | arch/x86/include/asm/vdso/processor.h | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/io_apic.c | 2 | ||||
| -rw-r--r-- | arch/x86/lib/delay.c | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/include/asm/vdso/processor.h b/arch/x86/include/asm/vdso/processor.h index 240d761b8ce4..7000aeb59aa2 100644 --- a/arch/x86/include/asm/vdso/processor.h +++ b/arch/x86/include/asm/vdso/processor.h @@ -8,14 +8,14 @@ #ifndef __ASSEMBLER__ /* PAUSE is a good thing to insert into busy-wait loops. */ -static __always_inline void rep_nop(void) +static __always_inline void native_pause(void) { asm volatile("pause" ::: "memory"); } static __always_inline void cpu_relax(void) { - rep_nop(); + native_pause(); } struct getcpu_cache; diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index eebc360ed1bb..ba5a4ccda37a 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -1486,7 +1486,7 @@ static void __init delay_with_tsc(void) * 1 GHz == 40 jiffies */ do { - rep_nop(); + native_pause(); now = rdtsc(); } while ((now - start) < 40000000000ULL / HZ && time_before_eq(jiffies, end)); } diff --git a/arch/x86/lib/delay.c b/arch/x86/lib/delay.c index e86eda2c0b04..eb2d2e1cbddd 100644 --- a/arch/x86/lib/delay.c +++ b/arch/x86/lib/delay.c @@ -75,7 +75,7 @@ static void delay_tsc(u64 cycles) /* Allow RT tasks to run */ preempt_enable(); - rep_nop(); + native_pause(); preempt_disable(); /* |