Messages in this thread Patch in this message | | | From | guoren@kernel ... | Subject | [PATCH V9 05/15] asm-generic: spinlock: Add queued spinlock support in common header | Date | Mon, 8 Aug 2022 03:13:08 -0400 |
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From: Guo Ren <guoren@linux.alibaba.com>
Select queued spinlock or ticket lock by CONFIG_QUEUED_SPINLOCKS in the common header file. Define smp_mb__after_spinlock with smp_mb() as default.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com> Signed-off-by: Guo Ren <guoren@kernel.org> --- include/asm-generic/spinlock.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/include/asm-generic/spinlock.h b/include/asm-generic/spinlock.h index 6f5a1b838ca2..349cdb46a99c 100644 --- a/include/asm-generic/spinlock.h +++ b/include/asm-generic/spinlock.h @@ -3,7 +3,11 @@ #ifndef __ASM_GENERIC_SPINLOCK_H #define __ASM_GENERIC_SPINLOCK_H +#ifdef CONFIG_QUEUED_SPINLOCKS +#include <asm-generic/qspinlock.h> +#else #include <asm-generic/ticket_spinlock.h> +#endif #include <asm/qrwlock.h> /* See include/linux/spinlock.h */ -- 2.36.1
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