From mboxrd@z Thu Jan 1 00:00:00 1970 From: punit.agrawal@arm.com (Punit Agrawal) Date: Tue, 15 May 2018 18:12:58 +0100 Subject: [PATCH v2 4/4] KVM: arm64: Add support for PUD hugepages at stage 2 In-Reply-To: <20180515165620.37l2epyno3vdcisu@armageddon.cambridge.arm.com> (Catalin Marinas's message of "Tue, 15 May 2018 17:56:21 +0100") References: <20180501102659.13188-1-punit.agrawal@arm.com> <20180501102659.13188-5-punit.agrawal@arm.com> <20180515165620.37l2epyno3vdcisu@armageddon.cambridge.arm.com> Message-ID: <87bmdg3krp.fsf@e105922-lin.cambridge.arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Catalin Marinas writes: > On Tue, May 01, 2018 at 11:26:59AM +0100, Punit Agrawal wrote: >> KVM currently supports PMD hugepages at stage 2. Extend the stage 2 >> fault handling to add support for PUD hugepages. >> >> Addition of pud hugepage support enables additional hugepage >> sizes (e.g., 1G with 4K granule) which can be useful on cores that >> support mapping larger block sizes in the TLB entries. >> >> Signed-off-by: Punit Agrawal >> Cc: Christoffer Dall >> Cc: Marc Zyngier >> Cc: Russell King >> Cc: Catalin Marinas >> Cc: Will Deacon >> --- >> arch/arm/include/asm/kvm_mmu.h | 19 ++++++++++++ >> arch/arm64/include/asm/kvm_mmu.h | 15 ++++++++++ >> arch/arm64/include/asm/pgtable-hwdef.h | 4 +++ >> arch/arm64/include/asm/pgtable.h | 2 ++ >> virt/kvm/arm/mmu.c | 40 ++++++++++++++++++++++++-- >> 5 files changed, 77 insertions(+), 3 deletions(-) > > Since this patch touches a couple of core arm64 files: > > Acked-by: Catalin Marinas Thanks Catalin. I've posted a v3 with minor changes yesterday[0]. Can you comment there? Or maybe Marc can apply the tag while merging the patches. [0] https://lkml.org/lkml/2018/5/14/912