Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 7732ba3a authored by Mathieu Desnoyers's avatar Mathieu Desnoyers Committed by Linus Torvalds
Browse files

Add cmpxchg_local to cris 



Use the new generic cmpxchg_local (disables interrupt). Also use the generic
cmpxchg as fallback if SMP is not set.

Signed-off-by: default avatarMathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Mikael Starvik <starvik@axis.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 10b88270

include/asm-cris/system.h

+15 −0
Original line number Diff line number Diff line
@@ -66,6 +66,21 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz 
  return x;

}



#include <asm-generic/cmpxchg-local.h>



/*

 * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make

 * them available.

 */

#define cmpxchg_local(ptr, o, n)				 	       \

	((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\

			(unsigned long)(n), sizeof(*(ptr))))

#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))



#ifndef CONFIG_SMP

#include <asm-generic/cmpxchg.h>

#endif



#define arch_align_stack(x) (x)



void default_idle(void);