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All modifications made by update_kernel.sh/no human intervention needed Build system: x86_64 Build-tested: ipq806x/R7800, ath79/generic, bcm27xx/bcm2711 Run-tested: ipq806x/R7800 No dmesg regressions, everything functional Signed-off-by: John Audia <graysky@archlinux.us> [another refresh] Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
23 lines
864 B
Diff
23 lines
864 B
Diff
From d59be41c014e2e17ea0aaa37d42f36548ad063b5 Mon Sep 17 00:00:00 2001
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From: Haiying Wang <Haiying.wang@freescale.com>
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Date: Sat, 8 Aug 2015 07:25:02 -0400
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Subject: [PATCH] arm64/pgtable: add support to map cacheable and non shareable
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memory
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Signed-off-by: Haiying Wang <Haiying.wang@freescale.com>
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---
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arch/arm64/include/asm/pgtable.h | 2 ++
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1 file changed, 2 insertions(+)
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--- a/arch/arm64/include/asm/pgtable.h
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+++ b/arch/arm64/include/asm/pgtable.h
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@@ -425,6 +425,8 @@ static inline pmd_t pmd_mkdevmap(pmd_t p
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#define pgprot_cached(prot) \
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__pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_NORMAL) | \
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PTE_PXN | PTE_UXN)
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+#define pgprot_cached_ns(prot) \
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+ __pgprot(pgprot_val(pgprot_cached(prot)) ^ PTE_SHARED)
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#define pgprot_device(prot) \
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__pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_DEVICE_nGnRE) | PTE_PXN | PTE_UXN)
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/*
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