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[2620:137:e000::3:7]) by mx.google.com with ESMTPS id n1-20020a170903404100b001c76a1aa6basi3359846pla.27.2023.10.04.06.59.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Oct 2023 06:59:19 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=vCh5yoE+; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id 267178218208; Wed, 4 Oct 2023 06:59:18 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242723AbjJDN7O (ORCPT + 99 others); Wed, 4 Oct 2023 09:59:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58602 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242720AbjJDN7N (ORCPT ); Wed, 4 Oct 2023 09:59:13 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7B07EBD for ; Wed, 4 Oct 2023 06:59:09 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 25B68C433C8; Wed, 4 Oct 2023 13:59:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696427949; bh=tR/blQVmBHFjAjxnaR7NyR3h9L36b0Qdfy89nt8BsCM=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=vCh5yoE+m179CttfO8uiDuD19AQDLgi53fq1HuD0YUlslCPcN8U2tmhzR9uSbfQqX H++WWrBWseurcNBVKUcYnwB719bU3E1nAnjtY0u3DbZrtM72u7HrejB/sfg/5qVV4u 0mHreRypMD7ehG9PrtSgt3wgjRcAho6ppTFLsxpLMlgUlSlfoIDSJSQ9X467T3QKIG JFMDP1/G4lFdW8zBffJ2dSII6p/+Hq2kkjKUOc+IykRT2cXxHwI21KhXnflu/zQ8SX uCatHGSbygrrDMNYWZFqg4trdY1PPsYMMIPhDG8pUZdvnhS0RCBB3VyFMpzZzlkDZA MH7yl7+SFi6tA== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1qo2Oz-0014pT-K5; Wed, 04 Oct 2023 14:59:01 +0100 Date: Wed, 04 Oct 2023 14:59:00 +0100 Message-ID: <86fs2qo5ej.wl-maz@kernel.org> From: Marc Zyngier To: Kristina Martsenko Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Oliver Upton , James Morse , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , Will Deacon , Vladimir Murzin , Colton Lewis , linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 0/2] KVM: arm64: Support for Arm v8.8 memcpy instructions in KVM guests In-Reply-To: <20230922112508.1774352-1-kristina.martsenko@arm.com> References: <20230922112508.1774352-1-kristina.martsenko@arm.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/29.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kristina.martsenko@arm.com, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, oliver.upton@linux.dev, james.morse@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, catalin.marinas@arm.com, will@kernel.org, vladimir.murzin@arm.com, coltonlewis@google.com, linux-kernel@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Wed, 04 Oct 2023 06:59:18 -0700 (PDT) On Fri, 22 Sep 2023 12:25:06 +0100, Kristina Martsenko wrote: > > Hi, > > This is v2 of the series to allow using the new Arm memory copy instructions > in KVM guests. See v1 for more information [1]. > > Changes in v2: > - Dropped HCRX_EL2 vcpu field > - Rebased onto v6.6-rc2 FWIW, and despite my misgivings about the architecture: Reviewed-by: Marc Zyngier M. -- Without deviation from the norm, progress is not possible.