powerpc: Remove static branch hint in giveup_altivec
A static branch hint will override dynamic branch prediction on recent POWER CPUs. Since we are about to use more altivec in the kernel remove the static hint in giveup_altivec that assumes a userspace task is using altivec. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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@ -102,7 +102,7 @@ _GLOBAL(giveup_altivec)
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MTMSRD(r5) /* enable use of VMX now */
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isync
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PPC_LCMPI 0,r3,0
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beqlr- /* if no previous owner, done */
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beqlr /* if no previous owner, done */
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addi r3,r3,THREAD /* want THREAD of task */
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PPC_LL r5,PT_REGS(r3)
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PPC_LCMPI 0,r5,0
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