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Tue, 4 Aug 2020 13:46:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596548788; bh=roMCFNmPPkY9aOtB8mbdYYu8t78Z3ZS0O3Rhws1u9uE=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=ebOiwiw6ObunrZDT7PrvjzIBqiWke7wA41Iayk6OkmK6KmXuDxquLSr6joJ6RQz6D 9zdmERHtU5Z+zeY4147ZiponZGJgLvcc98Y+Nzaargz1rPGaZMCR1UrttQMh1Jun8c aDQFAOYaJRFhnGNldBQbEEjc2jAiqKKBlbxvNxZk= 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 1k2xGs-00HOpC-P7; Tue, 04 Aug 2020 14:46:26 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Date: Tue, 04 Aug 2020 14:46:26 +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: <20200804124417.27102-4-alex.bennee@linaro.org> References: <20200804124417.27102-1-alex.bennee@linaro.org> <20200804124417.27102-4-alex.bennee@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: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org 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? Or even, virtio devices without bugs? Given that said device can come from any VMM, I'm not sure this is the right thing to do. Thanks, M. > > Signed-off-by: Alex Bennée > --- > kernel/configs/kvm_guest.config | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/kernel/configs/kvm_guest.config > b/kernel/configs/kvm_guest.config > index 208481d91090..672863a2fdf1 100644 > --- a/kernel/configs/kvm_guest.config > +++ b/kernel/configs/kvm_guest.config > @@ -13,6 +13,7 @@ CONFIG_IP_PNP_DHCP=y > CONFIG_BINFMT_ELF=y > CONFIG_PCI=y > CONFIG_PCI_MSI=y > +CONFIG_PCI_QUIRKS=n > CONFIG_DEBUG_KERNEL=y > CONFIG_VIRTUALIZATION=y > CONFIG_HYPERVISOR_GUEST=y -- Jazz is not dead. It just smells funny...