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

diff --git a/arch/x86/include/asm/vdso/processor.h b/arch/x86/include/asm/vdso/processor.h
index 240d761b8ce412177e5c524d9899ab8caa2accdb..7000aeb59aa287e2119c3d43ab3eaf82befb59c4 100644 (file)
--- 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 eebc360ed1bbf449c806c7cb6a9d8882e33c4f12..ba5a4ccda37a56b4c798d2fe9c35ca92f63d8ca9 100644 (file)
--- 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 e86eda2c0b0409c2791a347f63de77f5ffe51081..eb2d2e1cbddd499de9a212c491efc82dea6034ac 100644 (file)
--- 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();
 
                /*