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author | 2015-08-04 12:17:53 -0700 | |
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committer | 2015-08-04 15:44:42 -0700 | |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/metag/include/asm/spinlock.h | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/arch/metag/include/asm/spinlock.h')
-rw-r--r-- | kernel/arch/metag/include/asm/spinlock.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/kernel/arch/metag/include/asm/spinlock.h b/kernel/arch/metag/include/asm/spinlock.h new file mode 100644 index 000000000..86a7cf3d1 --- /dev/null +++ b/kernel/arch/metag/include/asm/spinlock.h @@ -0,0 +1,22 @@ +#ifndef __ASM_SPINLOCK_H +#define __ASM_SPINLOCK_H + +#ifdef CONFIG_METAG_ATOMICITY_LOCK1 +#include <asm/spinlock_lock1.h> +#else +#include <asm/spinlock_lnkget.h> +#endif + +#define arch_spin_unlock_wait(lock) \ + do { while (arch_spin_is_locked(lock)) cpu_relax(); } while (0) + +#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock) + +#define arch_read_lock_flags(lock, flags) arch_read_lock(lock) +#define arch_write_lock_flags(lock, flags) arch_write_lock(lock) + +#define arch_spin_relax(lock) cpu_relax() +#define arch_read_relax(lock) cpu_relax() +#define arch_write_relax(lock) cpu_relax() + +#endif /* __ASM_SPINLOCK_H */ |