diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/301-arch-0003-arm64-pgtable-add-support-to-map-cacheable-and-non-s.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/301-arch-0003-arm64-pgtable-add-support-to-map-cacheable-and-non-s.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/301-arch-0003-arm64-pgtable-add-support-to-map-cacheable-and-non-s.patch b/target/linux/layerscape/patches-5.4/301-arch-0003-arm64-pgtable-add-support-to-map-cacheable-and-non-s.patch new file mode 100644 index 0000000000..084f13a3be --- /dev/null +++ b/target/linux/layerscape/patches-5.4/301-arch-0003-arm64-pgtable-add-support-to-map-cacheable-and-non-s.patch @@ -0,0 +1,22 @@ +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 +@@ -417,6 +417,8 @@ 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) + /* |