powerpc/mm/radix: Skip ptesync in pte update helpers
We do them at the start of tlb flush, and we are sure a pte update will be followed by a tlbflush. Hence we can skip the ptesync in pte update helpers. Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Tested-by: NMichael Neuling <mikey@neuling.org> Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
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