On Thu, 2015-29-10 at 00:43:53 UTC, Anton Blanchard wrote: > Writing the MSR is slow, so we want to avoid it whenever possible. > > A subsequent patch will add a debug option that strictly manages the > FP/VMX/VSX unavailable bits. For now just remove it, matching what > we do in other areas of the kernel (eg enable_kernel_altivec()). > > A context switch microbenchmark using yield(): > > http://ozlabs.org/~anton/junkcode/context_switch2.c > > ./context_switch2 --test=yield --fp 0 0 > > shows an improvement of almost 3% on POWER8. > > Signed-off-by: Anton Blanchard <an...@samba.org>
Applied all 19 patches to powerpc next, thanks. http://git.kernel.org/cgit/linux/kernel/git/powerpc/linux.git/log/?h=next cheers _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
