Messages in this thread Patch in this message | | | Date | Wed, 24 Apr 2024 10:04:25 -0000 | From | "tip-bot2 for Uros Bizjak" <> | Subject | [tip: locking/core] locking/pvqspinlock/x86: Use _Q_LOCKED_VAL in PV_UNLOCK_ASM macro |
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The following commit has been merged into the locking/core branch of tip:
Commit-ID: 532453e7aa78f3962fb4d86caf40ff81ebf62160 Gitweb: https://git.kernel.org/tip/532453e7aa78f3962fb4d86caf40ff81ebf62160 Author: Uros Bizjak <ubizjak@gmail.com> AuthorDate: Mon, 22 Apr 2024 17:17:35 +02:00 Committer: Ingo Molnar <mingo@kernel.org> CommitterDate: Wed, 24 Apr 2024 11:48:08 +02:00
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@gmail.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Boqun Feng <boqun.feng@gmail.com> Cc: Waiman Long <longman@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lore.kernel.org/r/20240422151752.53997-1-ubizjak@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 466af57..0a98578 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" \
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