[PATCH] ppc64: Fix error in vDSO 32 bits date
Benjamin Herrenschmidt [Thu, 20 Oct 2005 04:23:49 +0000 (21:23 -0700)]
The implementation of __kernel_gettimeofday() in the 32 bits vDSO has a
small bug (a typo actually) that will cause it to lose 1 bit of precision.
Not terribly bad but worth fixing.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/ppc64/kernel/vdso32/gettimeofday.S

index 07f1c1c..e243c1d 100644 (file)
@@ -109,7 +109,7 @@ __do_get_xsec:
        lwz     r6,(CFG_TB_TO_XS+4)(r9)
        mulhwu  r4,r7,r5
        mulhwu  r6,r7,r6
-       mullw   r6,r7,r5
+       mullw   r0,r7,r5
        addc    r6,r6,r0
 
        /* At this point, we have the scaled xsec value in r4 + XER:CA