| From d59be41c014e2e17ea0aaa37d42f36548ad063b5 Mon Sep 17 00:00:00 2001 |
| From: Haiying Wang <Haiying.wang@freescale.com> |
| 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 <Haiying.wang@freescale.com> |
| --- |
| 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) |
| /* |