From: Christoffer Dall <christoffer.dall@linaro.org> To: "Paolo Bonzini" <pbonzini@redhat.com>, "Radim Krčmář" <rkrcmar@redhat.com> Cc: kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, Marc Zyngier <marc.zyngier@arm.com>, Suzuki K Poulose <suzuki.poulose@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Steve Capper <steve.capper@linaro.org>, Will Deacon <will.deacon@arm.com> Subject: [PULL 04/29] arm64: Introduce pmd_thp_or_huge Date: Wed, 11 May 2016 15:29:57 +0200 [thread overview] Message-ID: <1462973422-10021-5-git-send-email-christoffer.dall@linaro.org> (raw) In-Reply-To: <1462973422-10021-1-git-send-email-christoffer.dall@linaro.org> From: Suzuki K Poulose <suzuki.poulose@arm.com> Add a helper to determine if a given pmd represents a huge page either by hugetlb or thp, as we have for arm. This will be used by KVM MMU code. Suggested-by: Mark Rutland <mark.rutland@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Steve Capper <steve.capper@linaro.org> Cc: Will Deacon <will.deacon@arm.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Will Deacon <will.deacon@arm.com> Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@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 989fef1..dda4aa9 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -290,6 +290,8 @@ static inline pgprot_t mk_sect_prot(pgprot_t prot) #define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd))) #define pmd_mknotpresent(pmd) (__pmd(pmd_val(pmd) & ~PMD_TYPE_MASK)) +#define pmd_thp_or_huge(pmd) (pmd_huge(pmd) || pmd_trans_huge(pmd)) + #define __HAVE_ARCH_PMD_WRITE #define pmd_write(pmd) pte_write(pmd_pte(pmd)) -- 2.1.2.330.g565301e.dirty
WARNING: multiple messages have this Message-ID (diff)
From: christoffer.dall@linaro.org (Christoffer Dall) To: linux-arm-kernel@lists.infradead.org Subject: [PULL 04/29] arm64: Introduce pmd_thp_or_huge Date: Wed, 11 May 2016 15:29:57 +0200 [thread overview] Message-ID: <1462973422-10021-5-git-send-email-christoffer.dall@linaro.org> (raw) In-Reply-To: <1462973422-10021-1-git-send-email-christoffer.dall@linaro.org> From: Suzuki K Poulose <suzuki.poulose@arm.com> Add a helper to determine if a given pmd represents a huge page either by hugetlb or thp, as we have for arm. This will be used by KVM MMU code. Suggested-by: Mark Rutland <mark.rutland@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Steve Capper <steve.capper@linaro.org> Cc: Will Deacon <will.deacon@arm.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Will Deacon <will.deacon@arm.com> Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@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 989fef1..dda4aa9 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -290,6 +290,8 @@ static inline pgprot_t mk_sect_prot(pgprot_t prot) #define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd))) #define pmd_mknotpresent(pmd) (__pmd(pmd_val(pmd) & ~PMD_TYPE_MASK)) +#define pmd_thp_or_huge(pmd) (pmd_huge(pmd) || pmd_trans_huge(pmd)) + #define __HAVE_ARCH_PMD_WRITE #define pmd_write(pmd) pte_write(pmd_pte(pmd)) -- 2.1.2.330.g565301e.dirty
next prev parent reply other threads:[~2016-05-11 13:31 UTC|newest] Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-05-11 13:29 [PULL 00/29] KVM/ARM Changes for v4.7 Christoffer Dall 2016-05-11 13:29 ` Christoffer Dall 2016-05-11 13:29 ` [PULL 01/29] arm64: Reuse TCR field definitions for EL1 and EL2 Christoffer Dall 2016-05-11 13:29 ` Christoffer Dall 2016-05-11 13:29 ` [PULL 02/29] arm64: Cleanup VTCR_EL2 and VTTBR field values Christoffer Dall 2016-05-11 13:29 ` Christoffer Dall 2016-05-11 13:29 ` [PULL 03/29] kvm arm: Move fake PGD handling to arch specific files Christoffer Dall 2016-05-11 13:29 ` Christoffer Dall 2016-05-11 13:29 ` Christoffer Dall [this message] 2016-05-11 13:29 ` [PULL 04/29] arm64: Introduce pmd_thp_or_huge Christoffer Dall 2016-05-11 13:29 ` [PULL 05/29] kvm-arm: Replace kvm_pmd_huge with pmd_thp_or_huge Christoffer Dall 2016-05-11 13:29 ` Christoffer Dall 2016-05-11 13:29 ` [PULL 06/29] kvm-arm: Remove kvm_pud_huge() Christoffer Dall 2016-05-11 13:29 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 07/29] kvm-arm: arm32: Introduce stage2 page table helpers Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 08/29] kvm-arm: arm: Introduce hyp page table empty checks Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 09/29] kvm-arm: arm64: Introduce stage2 page table helpers Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 10/29] kvm-arm: arm64: Introduce hyp page table empty checks Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 11/29] kvm-arm: Use explicit stage2 helper routines Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 12/29] kvm-arm: Add explicit hyp page table modifiers Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 13/29] kvm-arm: Add stage2 " Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 14/29] kvm-arm: Cleanup kvm_* wrappers Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 15/29] kvm: arm64: Get rid of fake page table levels Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 16/29] kvm-arm: Cleanup stage2 pgd handling Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 17/29] arm64: kvm: Add support for 16K pages Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 18/29] arm/arm64: KVM: Enforce Break-Before-Make on Stage-2 page tables Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 19/29] clocksource: arm_arch_timer: Gather KVM specific information in a structure Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 20/29] clocksource: arm_arch_timer: Extend arch_timer_kvm_info to get the virtual IRQ Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 21/29] irqchip/gic-v2: Gather ACPI specific data in a single structure Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 22/29] irqchip/gic-v2: Parse and export virtual GIC information Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 23/29] irqchip/gic-v3: Prefix all pr_* messages by "GICv3: " Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 24/29] irqchip/gic-v3: Gather all ACPI specific data in a single structure Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 25/29] irqchip/gic-v3: Parse and export virtual GIC information Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 26/29] KVM: arm/arm64: arch_timer: Rely on the arch timer to parse the firmware tables Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 27/29] KVM: arm/arm64: vgic: Rely on the GIC driver " Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 28/29] clocksource: arm_arch_timer: Remove arch_timer_get_timecounter Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 13:30 ` [PULL 29/29] kvm: arm64: Enable hardware updates of the Access Flag for Stage 2 page tables Christoffer Dall 2016-05-11 13:30 ` Christoffer Dall 2016-05-11 15:23 ` [PULL 00/29] KVM/ARM Changes for v4.7 Paolo Bonzini 2016-05-11 15:23 ` Paolo Bonzini 2016-05-11 15:37 ` Marc Zyngier 2016-05-11 15:37 ` Marc Zyngier 2016-05-11 15:41 ` Paolo Bonzini 2016-05-11 15:41 ` Paolo Bonzini 2016-05-11 15:42 ` Christoffer Dall 2016-05-11 15:42 ` Christoffer Dall
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