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Thu, 18 Feb 2021 06:05:12 +0000 (UTC) Received: from [10.72.13.28] (ovpn-13-28.pek2.redhat.com [10.72.13.28]) by smtp.corp.redhat.com (Postfix) with ESMTP id BFAFC6A03D; Thu, 18 Feb 2021 06:05:00 +0000 (UTC) Subject: Re: [PATCH] arm64: defconfig: enable modern virtio pci device To: Arnd Bergmann , Anders Roxell References: <20210210190506.1923684-1-anders.roxell@linaro.org> From: Jason Wang Message-ID: Date: Thu, 18 Feb 2021 14:04:59 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Cc: Chris Zankel , Thomas Bogendoerfer , "Michael S. Tsirkin" , Arnd Bergmann , linuxppc-dev , Catalin Marinas , linux-xtensa@linux-xtensa.org, Paul Walmsley , virtualization@lists.linux-foundation.org, "linux-kernel@vger.kernel.org" , Russell King - ARM Linux , Max Filippov , SoC Team , Albert Ou , Palmer Dabbelt , linux-riscv , "open list:BROADCOM NVRAM DRIVER" , Will Deacon , Linux ARM Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 2021/2/11 下午7:52, Arnd Bergmann wrote: > On Wed, Feb 10, 2021 at 8:05 PM Anders Roxell wrote: >> Since patch ("virtio-pci: introduce modern device module") got added it >> is not possible to boot a defconfig kernel in qemu with a virtio pci >> device. Add CONFIG_VIRTIO_PCI_MODERN=y fragment makes the kernel able >> to boot. >> >> Signed-off-by: Anders Roxell >> --- >> arch/arm/configs/multi_v7_defconfig | 1 + >> arch/arm64/configs/defconfig | 1 + > Acked-by: Arnd Bergmann > > Michael, can you pick this up in the vhost tree that introduces the regression? > > Arnd > Hi: Based on the discussion previously, the plan is to select VIRTIO_PCI_MODERN, and document the module that select it must depend on PCI. I will post a patch soon. Thanks