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

Commit 019408f9 authored Aug 19, 2010 by Mikulas Patocka Committed by David S. Miller Aug 19, 2010

sparc64: Fill a missing delay slot.



If the code were already aligned to 64 bytes, wr instruction would be executed
twice --- once in delay slot and once in the jump target.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 0f58189d

arch/sparc/include/asm/system_64.h

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -106,6 +106,7 @@ do { __asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \
	*/		*/
	#define write_pic(__p) \		#define write_pic(__p) \
	__asm__ __volatile__("ba,pt %%xcc, 99f\n\t" \		__asm__ __volatile__("ba,pt %%xcc, 99f\n\t" \
			" nop\n\t" \
	".align 64\n" \		".align 64\n" \
	"99:wr %0, 0x0, %%pic\n\t" \		"99:wr %0, 0x0, %%pic\n\t" \
	"rd %%pic, %%g0" : : "r" (__p))		"rd %%pic, %%g0" : : "r" (__p))