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Mon, 27 Jul 2020 09:45:39 +0100 MIME-Version: 1.0 Date: Mon, 27 Jul 2020 09:45:39 +0100 From: Marc Zyngier To: Will Deacon Subject: Re: [PATCH 0/3] KVM: arm64: Clean up memcache usage for page-table pages In-Reply-To: <20200723110227.16001-1-will@kernel.org> References: <20200723110227.16001-1-will@kernel.org> User-Agent: Roundcube Webmail/1.4.5 Message-ID: X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: will@kernel.org, kvmarm@lists.cs.columbia.edu, qperret@google.com, linux-arm-kernel@lists.infradead.org, james.morse@arm.com, suzuki.poulose@arm.com, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200727_044541_794466_A2455063 X-CRM114-Status: GOOD ( 13.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: suzuki.poulose@arm.com, qperret@google.com, james.morse@arm.com, kernel-team@android.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Will, On 2020-07-23 12:02, Will Deacon wrote: > Hi all, > > Here are some small cleanups I made to the memcache logic while hacking > on the > page-table code. The ioremap() behaviour looks like a bug to me, > although it's > just a performance thing so nothing urgent. > > Cheers, > > Will > > --->8 > > Will Deacon (3): > KVM: arm64: Don't free memcache pages in kvm_phys_addr_ioremap() > KVM: arm64: Simplify mmu_topup_memory_cache() > KVM: arm64: Remove mmu_free_memory_cache() > > arch/arm64/kvm/mmu.c | 34 ++++++++++++++-------------------- > 1 file changed, 14 insertions(+), 20 deletions(-) Although I'm OK with this series, it conflicts with the changes Sean did on the MMU memory cache in the core code, which also affects arm64. I guess I'll queue patch 1 and 3 as fixes post -rc1. Patch 2 doesn't seem to make sense anymore in that context. Thanks, M. -- Jazz is not dead. It just smells funny... _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel