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[119.238.83.125]) by smtp.gmail.com with ESMTPSA id b5sm136599648pfc.150.2019.01.03.23.09.04 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 03 Jan 2019 23:09:05 -0800 (PST) From: Punit Agrawal To: Christoffer Dall Cc: Suzuki K Poulose , kvm@vger.kernel.org, anshuman.khandual@arm.com, marc.zyngier@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, linux-kernel@vger.kernel.org, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v10 0/8] kvm: arm64: Support PUD hugepage at stage 2 References: <1544548241-6417-1-git-send-email-suzuki.poulose@arm.com> <20181218113712.GA25383@e113682-lin.lund.arm.com> Date: Fri, 04 Jan 2019 16:09:03 +0900 In-Reply-To: <20181218113712.GA25383@e113682-lin.lund.arm.com> (Christoffer Dall's message of "Tue, 18 Dec 2018 12:37:12 +0100") Message-ID: <87ef9s292o.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Christoffer Dall writes: > On Tue, Dec 11, 2018 at 05:10:33PM +0000, Suzuki K Poulose wrote: >> This series is an update to the PUD hugepage support previously posted >> at [0]. This patchset adds support for PUD hugepages at stage 2 a >> feature that is useful on cores that have support for large sized TLB >> mappings (e.g., 1GB for 4K granule). >> >> The patches are based on v4.20-rc4 >> >> The patches have been tested on AMD Seattle system with the following >> hugepage sizes - 2M and 1G. >> >> Right now the PUD hugepage for stage2 is only supported if the stage2 >> has 4 levels. i.e, with an IPA size of minimum 44bits with 4K pages. >> This could be relaxed to stage2 with 3 levels, with the stage1 PUD huge >> page mapped in the entry level of the stage2 (i.e, pgd). I have not >> added the change here to keep this version stable w.r.t the previous >> version. I could post a patch later after further discussions in the >> list. >> > > For the series: > > Reviewed-by: Christoffer Dall Thanks a lot for reviewing the patches and the tag. And to Suzuki for picking up the patchset. (I was happy to see this while catching up with the lists after an extended break!)