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 X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C4553C433DF for ; Tue, 4 Aug 2020 14:59:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A781B22B42 for ; Tue, 4 Aug 2020 14:59:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596553164; bh=hDrp69Ge8duBMkXKlFgRT0K7orfs6BfaN5WSuwsDUB4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=duikazKkAq/b6tU0/odLgnyWdGLKqdVg1I0CLthRfcyKP2xj+jqmC6k09GpRZ5q3e 8zRvPfC3H6LOOZFT3ruCH4E5vmIsCen7rscucuPx0yvINl+BZZO/LIbCy1AlLZP67P yVDJXG12vdtAnU6bBZoJA5WfHEReF55gHq2kMG10= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729459AbgHDO7X (ORCPT ); Tue, 4 Aug 2020 10:59:23 -0400 Received: from mail.kernel.org ([198.145.29.99]:40850 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728157AbgHDO7W (ORCPT ); Tue, 4 Aug 2020 10:59:22 -0400 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0D07021744; Tue, 4 Aug 2020 14:59:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596553162; bh=hDrp69Ge8duBMkXKlFgRT0K7orfs6BfaN5WSuwsDUB4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=nJ30eHlkodMyfOaGw2JuN5oUUBfc8+g3uBJTnq6VlqKGfg4aRAeDP+MX+u10Dp3WF Am5DQhU6IR8I7b9M5/v90ZeFupsb76Fv0q70F2ITw2+2grexrARMo5wfJWkR41ZDjp xpDUI8XrlHmNucGch9ee8Fn3voT6Cr482Dx6NSrE= Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1k2yPQ-00HPuB-Jj; Tue, 04 Aug 2020 15:59:20 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Date: Tue, 04 Aug 2020 15:59:20 +0100 From: Marc Zyngier To: =?UTF-8?Q?Alex_Benn=C3=A9e?= Cc: kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kvmarm@lists.cs.columbia.edu, christoffer.dall@arm.com Subject: Re: [PATCH v1 3/3] kernel/configs: don't include PCI_QUIRKS in KVM guest configs In-Reply-To: <87r1smmpw5.fsf@linaro.org> References: <20200804124417.27102-1-alex.bennee@linaro.org> <20200804124417.27102-4-alex.bennee@linaro.org> <87r1smmpw5.fsf@linaro.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: alex.bennee@linaro.org, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kvmarm@lists.cs.columbia.edu, christoffer.dall@arm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020-08-04 15:44, Alex Bennée wrote: > Marc Zyngier writes: > >> On 2020-08-04 13:44, Alex Bennée wrote: >>> The VIRTIO_PCI support is an idealised PCI bus, we don't need a bunch >>> of bloat for real world hardware for a VirtIO guest. >> >> Who says this guest will only have virtio devices? > > This is true - although what is the point of kvm_guest.config? We > certainly turn on a whole bunch of virt optimised pathways with > PARAVIRT > and HYPERVISOR_GUEST along with the rest of VirtIO. Most of which actually qualifies as bloat itself as far as KVM/arm64 is concerned... M. -- Jazz is not dead. It just smells funny...