Messages in this thread | | | Date | Tue, 19 Aug 2014 07:10:14 -0700 | From | Guenter Roeck <> | Subject | Re: [PATCH BUGFIX] frv: Define cpu_relax_lowlatency() |
| |
On Mon, Aug 18, 2014 at 01:00:39PM -0700, Davidlohr Bueso wrote: > 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>
inventing a new tag...
Compile-tested-by: Guenter Roeck <linux@roeck-us.net>
> --- > 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 > > > >
| |