linux-kernel - [PATCH V8 04/10] asm-generic: spinlock: Add queued spinlock support in common header

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Date:   Sun, 24 Jul 2022 08:25:11 -0400
From:   guoren@...nel.org
To:     palmer@...osinc.com, heiko@...ech.de, hch@...radead.org,
        arnd@...db.de, peterz@...radead.org, will@...nel.org,
        boqun.feng@...il.com, longman@...hat.com, mingo@...hat.com,
        philipp.tomsich@...ll.eu, cmuellner@...ux.com,
        linux-kernel@...r.kernel.org, David.Laight@...LAB.COM
Cc:     linux-riscv@...ts.infradead.org, linux-csky@...r.kernel.org,
        Guo Ren <guoren@...ux.alibaba.com>, Guo Ren <guoren@...nel.org>
Subject: [PATCH V8 04/10] asm-generic: spinlock: Add queued spinlock support in common header

From: Guo Ren <guoren@...ux.alibaba.com>

Select queued spinlock or ticket lock by CONFIG_QUEUED_SPINLOCKS in
the common header file.

Signed-off-by: Guo Ren <guoren@...ux.alibaba.com>
Signed-off-by: Guo Ren <guoren@...nel.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 970590baf61b..f1c29db9c8b5 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>
 
 #endif /* __ASM_GENERIC_SPINLOCK_H */
-- 
2.36.1