X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-ppc64%2Fbitops.h;h=feeeb9b77b2954c4fd301a9a50e430415a4193dd;hb=720b94a4e7548e78be55ab8fd3be4686c57dc808;hp=3f053b6bb71fc7098ee0adafc8dfd2175549e7f9;hpb=86090fcac5e27b630656fe3d963a6b80e26dac44;p=linux-2.6.git

diff --git a/include/asm-ppc64/bitops.h b/include/asm-ppc64/bitops.h
index 3f053b6bb..feeeb9b77 100644
--- a/include/asm-ppc64/bitops.h
+++ b/include/asm-ppc64/bitops.h
@@ -154,6 +154,20 @@ static __inline__ int test_and_change_bit(unsigned long nr, volatile unsigned lo
 	return (old & mask) != 0;
 }
 
+static __inline__ void set_bits(unsigned long mask, unsigned long *addr)
+{
+	unsigned long old;
+
+	__asm__ __volatile__(
+"1:	ldarx	%0,0,%3		# set_bit\n\
+	or	%0,%0,%2\n\
+	stdcx.	%0,0,%3\n\
+	bne-	1b"
+	: "=&r" (old), "=m" (*addr)
+	: "r" (mask), "r" (addr), "m" (*addr)
+	: "cc");
+}
+
 /*
  * non-atomic versions
  */