[PATCH v3 57/70] powerpc/mm: Update pte filter for radix

Michael Ellerman mpe at ellerman.id.au
Fri Apr 29 23:26:20 AEST 2016


From: "Aneesh Kumar K.V" <aneesh.kumar at linux.vnet.ibm.com>

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>
Acked-by: Balbir Singh <bsingharora at gmail.com>
Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
---
 arch/powerpc/mm/pgtable.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c
index db277b6d8e8b..88a307504b5a 100644
--- a/arch/powerpc/mm/pgtable.c
+++ b/arch/powerpc/mm/pgtable.c
@@ -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))) {
-- 
2.5.0



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