blob: 841d5efd07121b6f23f6f4faabb331bfe155f00a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
From 1d6d5b6d2363cf5a0d175f086209fb208692ec00 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 35/70] 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
@@ -392,6 +392,8 @@ static inline int has_transparent_hugepa
#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)
#define __HAVE_PHYS_MEM_ACCESS_PROT
|