powerpc/64: Fix bug in setting floating-point exception mode
When loading up the FPU, we were using a 'ld' (load doubleword)
instruction to get the FP exception mode from the thread_struct,
but it's only an int field. This changes the ld to lwz (load
word and zero-extend).
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S
index e4362df..340730f 100644
--- a/arch/powerpc/kernel/fpu.S
+++ b/arch/powerpc/kernel/fpu.S
@@ -66,7 +66,7 @@
#else
ld r4,PACACURRENT(r13)
addi r5,r4,THREAD /* Get THREAD */
- ld r4,THREAD_FPEXC_MODE(r5)
+ lwz r4,THREAD_FPEXC_MODE(r5)
ori r12,r12,MSR_FP
or r12,r12,r4
std r12,_MSR(r1)