Re: [PATCH V10 04/19] riscv: qspinlock: Add basic queued_spinlock support
From: Waiman Long <longman@redhat.com>
Date: 2023-08-11 19:35:23
Also in:
kvm, linux-arch, linux-doc, linux-riscv
On 8/2/23 12:46, guoren@kernel.org wrote:
quoted hunk
\diff --git a/arch/riscv/include/asm/spinlock.h b/arch/riscv/include/asm/spinlock.h new file mode 100644 index 000000000000..c644a92d4548 --- /dev/null +++ b/arch/riscv/include/asm/spinlock.h@@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef __ASM_RISCV_SPINLOCK_H +#define __ASM_RISCV_SPINLOCK_H + +#ifdef CONFIG_QUEUED_SPINLOCKS +#define _Q_PENDING_LOOPS (1 << 9) +#endif + +#ifdef CONFIG_QUEUED_SPINLOCKS
You can merge the two "#ifdef CONFIG_QUEUED_SPINLOCKS" into single one to avoid the duplication. Cheers, Longman
+#include <asm/qspinlock.h> +#include <asm/qrwlock.h> +#else +#include <asm-generic/spinlock.h> +#endif + +#endif /* __ASM_RISCV_SPINLOCK_H */
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