Re: [PATCH 1/2] powerpc/mm/radix: Don't do page walk cache flush when doing full mm flush

On Sat, 1 Apr 2017 20:11:47 +0530 "Aneesh Kumar K.V" wrote: > For fullmm tlb flush, we do a flush with RIC_FLUSH_ALL which will > invalidate all related caches (radix__tlb_flush()). Hence the pwc > flush is not needed. Thanks Aneesh. I see a 3x improvement in

[PATCH 1/2] powerpc/mm/radix: Don't do page walk cache flush when doing full mm flush

For fullmm tlb flush, we do a flush with RIC_FLUSH_ALL which will invalidate all related caches (radix__tlb_flush()). Hence the pwc flush is not needed. Signed-off-by: Aneesh Kumar K.V --- arch/powerpc/mm/tlb-radix.c | 12 1 file changed, 12