From d59be41c014e2e17ea0aaa37d42f36548ad063b5 Mon Sep 17 00:00:00 2001 From: Haiying Wang Date: Sat, 8 Aug 2015 07:25:02 -0400 Subject: [PATCH] arm64/pgtable: add support to map cacheable and non shareable memory Signed-off-by: Haiying Wang --- arch/arm64/include/asm/pgtable.h | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -431,6 +431,8 @@ static inline pmd_t pmd_mkdevmap(pmd_t p #define pgprot_cached(prot) \ __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_NORMAL) | \ PTE_PXN | PTE_UXN) +#define pgprot_cached_ns(prot) \ + __pgprot(pgprot_val(pgprot_cached(prot)) ^ PTE_SHARED) #define pgprot_device(prot) \ __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_DEVICE_nGnRE) | PTE_PXN | PTE_UXN) /*