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Message-ID: <20240422151752.53997-1-ubizjak@gmail.com> Date: Mon, 22 Apr 2024 17:17:35 +0200 From: Uros Bizjak <ubizjak@...il.com> To: x86@...nel.org, linux-kernel@...r.kernel.org Cc: Uros Bizjak <ubizjak@...il.com>, Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...nel.org>, Will Deacon <will@...nel.org>, Waiman Long <longman@...hat.com>, Boqun Feng <boqun.feng@...il.com> Subject: [PATCH] locking/pvqspinlock/x86: Use _Q_LOCKED_VAL in PV_UNLOCK_ASM macro Use _Q_LOCKED_VAL instead of hardcoded $0x1 in PV_UNLOCK_ASM macro. No functional changes intended. Signed-off-by: Uros Bizjak <ubizjak@...il.com> Cc: Peter Zijlstra <peterz@...radead.org> Cc: Ingo Molnar <mingo@...nel.org> Cc: Will Deacon <will@...nel.org> Cc: Waiman Long <longman@...hat.com> Cc: Boqun Feng <boqun.feng@...il.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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