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| author | Davidlohr Bueso <dave@stgolabs.net> | 2014-08-18 13:00:39 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-19 09:40:08 -0500 |
| commit | f325f1643abca9fac5b8e04e9faa46effc984a61 (patch) | |
| tree | d3b4ddbeaa9d962bd0970ceebc8e68773b9189f6 /arch/frv/include | |
| parent | 7d1311b93e58ed55f3a31cc8f94c4b8fe988a2b9 (diff) | |
| download | lwn-f325f1643abca9fac5b8e04e9faa46effc984a61.tar.gz lwn-f325f1643abca9fac5b8e04e9faa46effc984a61.zip | |
frv: Define cpu_relax_lowlatency()
3a6bfbc91df0 "(arch,locking: Ciao arch_mutex_cpu_relax()") broke
building the frv arch. Fixes errors such as:
kernel/locking/mcs_spinlock.h:87:2: error: implicit declaration of function 'cpu_relax_lowlatency'
Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Compile-tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/frv/include')
| -rw-r--r-- | arch/frv/include/asm/processor.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/frv/include/asm/processor.h b/arch/frv/include/asm/processor.h index a34f309e5801..6554e78893f2 100644 --- a/arch/frv/include/asm/processor.h +++ b/arch/frv/include/asm/processor.h @@ -129,7 +129,8 @@ unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) ((tsk)->thread.frame0->pc) #define KSTK_ESP(tsk) ((tsk)->thread.frame0->sp) -#define cpu_relax() barrier() +#define cpu_relax() barrier() +#define cpu_relax_lowlatency() cpu_relax() /* data cache prefetch */ #define ARCH_HAS_PREFETCH |