From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 17E79C3DA49 for ; Tue, 23 Jul 2024 08:58:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=3FKJpkGsUPnzbk6RBhK12fPqIMfdiohF8SnaFD6X3YM=; b=46rLfk5n9GozNxJ01cyuo3UbcM DGS9P31EH/ONjGpe1MB3e1mJGTVlxqrji5bFCQdYsZxOQmTRSz2MiUCT5HEu4oocrS3YnLMq6Qo4E 7HbynYiGjial8At69vNmQOxSZYZTMEg3TbXdSMo2pZ4iC5DDEv7vgEV7E9O1KCK1JGMf9DjJZWx9q XOHnVkO1ASjITsBQT9E8qzkVBZdV6lknGGGU+oEJH5JLXvNDoZkSza2CdWahqBbbw/sj6Z+kpS321 wUKoqyN1Cwbr24J9WAeFhpdAiN2dxVA5JFbKzmnnGKChHafB236m2Okit3D7Rr4Xxr4w9yVdZ8n9N 1GH2T5Vg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sWBLD-0000000BuUt-3s2m; Tue, 23 Jul 2024 08:57:51 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sWBKq-0000000BuSQ-3wZI for linux-arm-kernel@lists.infradead.org; Tue, 23 Jul 2024 08:57:30 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 49D87139F; Tue, 23 Jul 2024 01:57:53 -0700 (PDT) Received: from raptor (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 2F0673F766; Tue, 23 Jul 2024 01:57:26 -0700 (PDT) Date: Tue, 23 Jul 2024 09:57:23 +0100 From: Alexandru Elisei To: Marc Zyngier Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, James Morse , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Joey Gouly Subject: Re: [PATCH 10/12] KVM: arm64: nv: Add SW walker for AT S1 emulation Message-ID: References: <20240625133508.259829-1-maz@kernel.org> <20240708165800.1220065-1-maz@kernel.org> <874j8h5u0j.wl-maz@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <874j8h5u0j.wl-maz@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240723_015729_041614_E5E178D4 X-CRM114-Status: GOOD ( 27.98 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Marc, On Mon, Jul 22, 2024 at 04:25:00PM +0100, Marc Zyngier wrote: > Hi Alex, > > On Mon, 22 Jul 2024 11:53:13 +0100, > Alexandru Elisei wrote: > > > > Hi Marc, > > > > I would like to use the S1 walker for KVM SPE, and I was planning to move it to > > a separate file, where it would be shared between nested KVM and SPE. I think > > this is also good for NV, since the walker would get more testing. > > > > Do you think moving it to a shared location is a good approach? Or do you have > > something else in mind? > > I'm definitely open to moving it somewhere else if that helps, though > the location doesn't matter much, TBH, and it is the boundary of the > interface I'm more interested in. It may need some work though, as the > current design is solely written with AT in mind. Looks that way to me too. > > > Also, do you know where you'll be able to send an updated version of this > > series? I'm asking because I want to decide between using this code (with fixes > > on top) or wait for the next iteration. Please don't feel that you need to send > > the next iteration too soon. > > The current state of the branch is at [1], which I plan to send once > -rc1 is out. Note that this isn't a stable branch, so things can > change without any warning! > > > And please CC me on the series, so I don't miss it by mistake :) > > Of course! Sounds great, thanks! Alex > > Thanks, > > M. > > [1] https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=kvm-arm64/nv-at-pan-WIP > > -- > Without deviation from the norm, progress is not possible. >