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powerpc/mm: Update pte filter for radix 

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Aneesh Kumar K.V 2016-04-29 23:26:20 +10:00 committed by Michael Ellerman
parent a2f41eb992
commit 4dfb88ca9b
1 changed files with 3 additions and 0 deletions
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3
arch/powerpc/mm/pgtable.c
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@ -82,6 +82,9 @@ static struct page *maybe_pte_to_page(pte_t pte)
static pte_t set_pte_filter(pte_t pte)
{
if (radix_enabled())
return pte;
pte = __pte(pte_val(pte) & ~_PAGE_HPTEFLAGS);
if (pte_looks_normal(pte) && !(cpu_has_feature(CPU_FTR_COHERENT_ICACHE) ||
cpu_has_feature(CPU_FTR_NOEXECUTE))) {