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powerpc/64: Fix bug in setting floating-point exception mode
authorPaul Mackerras <paulus@samba.org>
Tue, 7 Feb 2006 02:55:30 +0000 (13:55 +1100)
committerPaul Mackerras <paulus@samba.org>
Tue, 7 Feb 2006 02:55:30 +0000 (13:55 +1100)
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>
arch/powerpc/kernel/fpu.S patch | blob | blame | history

diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S
index e4362dfa37fba2e1971167c23d1a6c613152062e..340730fb8c9110608c8a47b5eb35724170e10d69 100644 (file)
--- a/arch/powerpc/kernel/fpu.S
+++ b/arch/powerpc/kernel/fpu.S
@@ -66,7 +66,7 @@ _GLOBAL(load_up_fpu)
 #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)