diff options
| author |   Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
| commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
| tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/blackfin/include/asm/atomic.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/blackfin/include/asm/atomic.h')
| -rw-r--r-- | kernel/arch/blackfin/include/asm/atomic.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/kernel/arch/blackfin/include/asm/atomic.h b/kernel/arch/blackfin/include/asm/atomic.h new file mode 100644 index 000000000..a107a98e9 --- /dev/null +++ b/kernel/arch/blackfin/include/asm/atomic.h @@ -0,0 +1,37 @@ +/* + * Copyright 2004-2011 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef __ARCH_BLACKFIN_ATOMIC__ +#define __ARCH_BLACKFIN_ATOMIC__ + +#include <asm/cmpxchg.h> + +#ifdef CONFIG_SMP + +#include <asm/barrier.h> +#include <linux/linkage.h> +#include <linux/types.h> + +asmlinkage int __raw_uncached_fetch_asm(const volatile int *ptr); +asmlinkage int __raw_atomic_update_asm(volatile int *ptr, int value); +asmlinkage int __raw_atomic_clear_asm(volatile int *ptr, int value); +asmlinkage int __raw_atomic_set_asm(volatile int *ptr, int value); +asmlinkage int __raw_atomic_xor_asm(volatile int *ptr, int value); +asmlinkage int __raw_atomic_test_asm(const volatile int *ptr, int value); + +#define atomic_read(v) __raw_uncached_fetch_asm(&(v)->counter) + +#define atomic_add_return(i, v) __raw_atomic_update_asm(&(v)->counter, i) +#define atomic_sub_return(i, v) __raw_atomic_update_asm(&(v)->counter, -(i)) + +#define atomic_clear_mask(m, v) __raw_atomic_clear_asm(&(v)->counter, m) +#define atomic_set_mask(m, v) __raw_atomic_set_asm(&(v)->counter, m) + +#endif + +#include <asm-generic/atomic.h> + +#endif |