diff options
Diffstat (limited to 'arch/powerpc/include/asm/spinlock.h')
| -rw-r--r-- | arch/powerpc/include/asm/spinlock.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h new file mode 100644 index 0000000000..7dafca8e3f --- /dev/null +++ b/arch/powerpc/include/asm/spinlock.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef __ASM_SPINLOCK_H +#define __ASM_SPINLOCK_H +#ifdef __KERNEL__ + +#ifdef CONFIG_PPC_QUEUED_SPINLOCKS +#include <asm/qspinlock.h> +#include <asm/qrwlock.h> +#else +#include <asm/simple_spinlock.h> +#endif + +/* See include/linux/spinlock.h */ +#define smp_mb__after_spinlock() smp_mb() + +#ifndef CONFIG_PPC_QUEUED_SPINLOCKS +static inline void pv_spinlocks_init(void) { } +#endif + +#endif /* __KERNEL__ */ +#endif /* __ASM_SPINLOCK_H */ |