Messages in this thread Patch in this message | | | Subject | [PATCH BUGFIX] frv: Define cpu_relax_lowlatency() | From | Davidlohr Bueso <> | Date | Mon, 18 Aug 2014 13:00:39 -0700 |
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3a6bfbc9 (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> --- Linus, as discussed, here's the resend. Original thread: https://lkml.org/lkml/2014/8/5/442
arch/frv/include/asm/processor.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/frv/include/asm/processor.h b/arch/frv/include/asm/processor.h index a34f309..6554e78 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 -- 1.8.1.4
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