target/linux/layerscape/patches-5.4/301-arch-0003-arm64-pgtable-add-support-to-map-cacheable-and-non-s.patch

   1 From d59be41c014e2e17ea0aaa37d42f36548ad063b5 Mon Sep 17 00:00:00 2001
   2 From: Haiying Wang <Haiying.wang@freescale.com>
   3 Date: Sat, 8 Aug 2015 07:25:02 -0400
   4 Subject: [PATCH] arm64/pgtable: add support to map cacheable and non shareable
   5  memory
   6
   7 Signed-off-by: Haiying Wang <Haiying.wang@freescale.com>
   8 ---
   9  arch/arm64/include/asm/pgtable.h | 2 ++
  10  1 file changed, 2 insertions(+)
  11
  12 --- a/arch/arm64/include/asm/pgtable.h
  13 +++ b/arch/arm64/include/asm/pgtable.h
  14 @@ -425,6 +425,8 @@ static inline pmd_t pmd_mkdevmap(pmd_t p
  15  #define pgprot_cached(prot) \
  16         __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_NORMAL) | \
  17                         PTE_PXN | PTE_UXN)
  18 +#define pgprot_cached_ns(prot) \
  19 +       __pgprot(pgprot_val(pgprot_cached(prot)) ^ PTE_SHARED)
  20  #define pgprot_device(prot) \
  21         __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_DEVICE_nGnRE) | PTE_PXN | PTE_UXN)
  22  /*