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Groups > linux.kernel > #1226404
| From | Jeremy Linton <jeremy.linton@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 5/7] arm64: Default kernel pages should be contiguous |
| Date | 2015-09-16 21:10 +0200 |
| Message-ID | <q9qfF-4Y7-29@gated-at.bofh.it> (permalink) |
| References | <q9qfE-4Y7-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
The default page attributes for a PMD being broken should have the CONT bit set. Create a new definition for an early boot range of PTE's that are contiguous. Signed-off-by: Jeremy Linton <jeremy.linton@arm.com> --- arch/arm64/include/asm/pgtable.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index d43e1d1..252499e 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -76,6 +76,8 @@ extern void __pgd_error(const char *file, int line, unsigned long val); #define PAGE_KERNEL __pgprot(_PAGE_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE) #define PAGE_KERNEL_EXEC __pgprot(_PAGE_DEFAULT | PTE_UXN | PTE_DIRTY | PTE_WRITE) +#define PAGE_KERNEL_EXEC_CONT __pgprot(_PAGE_DEFAULT | PTE_UXN | PTE_DIRTY | \ + PTE_WRITE | PTE_CONT) #define PAGE_HYP __pgprot(_PAGE_DEFAULT | PTE_HYP) #define PAGE_HYP_DEVICE __pgprot(PROT_DEVICE_nGnRE | PTE_HYP) -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH 0/7] arm64: Use contigous PTE bit for the kernel linear mapping Jeremy Linton <jeremy.linton@arm.com> - 2015-09-16 21:10 +0200
[PATCH 7/7] arm64: Mark kernel page ranges contiguous Jeremy Linton <jeremy.linton@arm.com> - 2015-09-16 21:10 +0200
Re: [PATCH 7/7] arm64: Mark kernel page ranges contiguous Steve Capper <steve.capper@linaro.org> - 2015-09-17 19:30 +0200
RE: [PATCH 7/7] arm64: Mark kernel page ranges contiguous Jeremy Linton <Jeremy.Linton@arm.com> - 2015-09-17 19:40 +0200
[PATCH 5/7] arm64: Default kernel pages should be contiguous Jeremy Linton <jeremy.linton@arm.com> - 2015-09-16 21:10 +0200
[PATCH 3/7] arm64: PTE/PMD contiguous bit definition Jeremy Linton <jeremy.linton@arm.com> - 2015-09-16 21:10 +0200
[PATCH 4/7] arm64: Macros to check/set/unset the contiguous bit Jeremy Linton <jeremy.linton@arm.com> - 2015-09-16 21:10 +0200
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