Messages in this thread Patch in this message | | | Subject | [PATCH] ppc64:Fix missing register in altivec context switch | From | Benjamin Herrenschmidt <> | Date | Mon, 13 Sep 2004 14:25:27 +1000 |
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This is a resend of a patch sent in July and that got lost somewhat, the "VSCR" register wasn't restored properly from the context on load_up_altivec (typo), please apply the fix:
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
===== arch/ppc64/kernel/head.S 1.76 vs edited ===== --- 1.76/arch/ppc64/kernel/head.S 2004-09-08 16:32:56 +10:00 +++ edited/arch/ppc64/kernel/head.S 2004-09-13 14:15:00 +10:00 @@ -1588,6 +1588,7 @@ li r10,THREAD_VSCR stw r4,THREAD_USED_VR(r5) lvx vr0,r10,r5 + mtvscr vr0 REST_32VRS(0,r4,r5) #ifndef CONFIG_SMP /* Update last_task_used_math to 'current' */
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