Messages in this thread Patch in this message | | | From | Uros Bizjak <> | Subject | [PATCH] locking/pvqspinlock/x86: Use _Q_LOCKED_VAL in PV_UNLOCK_ASM macro | Date | Mon, 22 Apr 2024 17:17:35 +0200 |
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Use _Q_LOCKED_VAL instead of hardcoded $0x1 in PV_UNLOCK_ASM macro.
No functional changes intended.
Signed-off-by: Uros Bizjak <ubizjak@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Will Deacon <will@kernel.org> Cc: Waiman Long <longman@redhat.com> Cc: Boqun Feng <boqun.feng@gmail.com> --- arch/x86/include/asm/qspinlock_paravirt.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/qspinlock_paravirt.h b/arch/x86/include/asm/qspinlock_paravirt.h index 466af57b8ed6..0a985784be9b 100644 --- a/arch/x86/include/asm/qspinlock_paravirt.h +++ b/arch/x86/include/asm/qspinlock_paravirt.h @@ -40,7 +40,7 @@ __PV_CALLEE_SAVE_REGS_THUNK(__pv_queued_spin_unlock_slowpath, ".spinlock.text"); #define PV_UNLOCK_ASM \ FRAME_BEGIN \ "push %rdx\n\t" \ - "mov $0x1,%eax\n\t" \ + "mov $" __stringify(_Q_LOCKED_VAL) ",%eax\n\t" \ "xor %edx,%edx\n\t" \ LOCK_PREFIX "cmpxchg %dl,(%rdi)\n\t" \ "jne .slowpath\n\t" \ -- 2.42.0
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