mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 09:12:39 +00:00
23 lines
864 B
Diff
23 lines
864 B
Diff
|
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)
|
||
|
|
/*
|