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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 CB965C61D85 for ; Thu, 23 Nov 2023 22:23:58 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=nSfg5H2P; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Sbt1n1MfCz3dkm for ; Fri, 24 Nov 2023 09:23:57 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=nSfg5H2P; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=2604:1380:40e1:4800::1; helo=sin.source.kernel.org; envelope-from=brauner@kernel.org; receiver=lists.ozlabs.org) Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4SbdnT4HCMz3dSM for ; Fri, 24 Nov 2023 00:12:29 +1100 (AEDT) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id EF5AECE28FE; Thu, 23 Nov 2023 13:12:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8B246C433C7; Thu, 23 Nov 2023 13:11:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700745135; bh=VBAn7FZcvw1drif9KzTmaabLPVAYO4zX2eeQPqBTwFw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=nSfg5H2PW95uhmCyWswaCk18HBzNnUr8lrZC9/jswVOaVEk9Necoc/3PSsg/eWI+c nUSNVQiBVNuTkdJG4ZroseK0fKTuKodiCnTfp5VBFncFM3thhaeXbqdq7/1OyUlFkh hvhoTdxdxKP2qiIgsXRrtgQ8aW/glFRtrG5pk0o8niH7Far3mtrppzle/A5KWCQFN1 0J9D7XnhqZQWKtQ8+7lAsz1DeizPazr+k6Se4xCbJkyOxPi+pXbCyvcnpPCySfoTu/ nxY4zeQuXLH9O0FYHNYyhAuFpYV+0VZCYLV3awl8R2o5zjol3Qy1blkTCXoR/k3lKT V10Lsp2N5sNOQ== Date: Thu, 23 Nov 2023 14:11:56 +0100 From: Christian Brauner To: Zhenyu Wang Subject: Re: [PATCH v2 1/4] i915: make inject_virtual_interrupt() void Message-ID: <20231123-randlage-instinkt-e458628d2d7c@brauner> References: <20231122-vfs-eventfd-signal-v2-0-bd549b14ce0c@kernel.org> <20231122-vfs-eventfd-signal-v2-1-bd549b14ce0c@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Mailman-Approved-At: Fri, 24 Nov 2023 09:22:20 +1100 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: , Cc: linux-aio@kvack.org, linux-usb@vger.kernel.org, Jan Kara , Matthew Rosato , Paul Durrant , Tom Rix , Jason Wang , Dave Hansen , dri-devel@lists.freedesktop.org, Michal Hocko , linux-mm@kvack.org, Kirti Wankhede , Paolo Bonzini , Jens Axboe , Vineeth Vijayan , Diana Craciun , netdev@vger.kernel.org, Alexander Gordeev , David Airlie , Christoph Hellwig , Xuan Zhuo , Shakeel Butt , Vasily Gorbik , Leon Romanovsky , Harald Freudenberger , Fei Li , x86@kernel.org, Roman Gushchin , Halil Pasic , Jason Gunthorpe , Ingo Molnar , intel-gfx@lists.freedesktop.org, Christian Borntraeger , linux-fpga@vger.kernel.org, Zhi Wang , Wu Hao , Jason Herne , Eric Farman , Joonas Lahtinen , Andrew Donnellan , Arnd Bergmann , linux-s390@vger.kernel.org, Heiko Carstens , Johannes Weiner , linuxppc-dev@lists.ozlabs.org, Jani Nikula , Frederic Barrat , Alex Williamson , Borislav Petkov , kvm@vger.kernel.org, Rodrigo Vivi , cgroups@vger.kernel.org, Thomas Gleixner , virtualization@lists.linux-foundation.org, intel-gvt-dev@lists.freedesktop.org, io-uring@vger.kernel.org, Tony Krowiak , Tvrtko Ursulin , Pavel Begunkov , Eric Auger , Sean Christopherson , Oded Gabbay , Muchun Song , Peter Oberparleiter , linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, Benjamin LaHaise , "Michael S. Tsirkin" , Sven Schnelle , Daniel Vetter , Greg Kroah-Hartman , linux-fsdevel@vger.kernel.org, Moritz Fischer , Vitaly Kuznetsov , David Woodhouse , Xu Yilun Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" > > + if (!vgpu->msi_trigger) > > + return; > > + eventfd_signal(vgpu->msi_trigger, 1); > > } > > I think it's a little simpler to write as > if (vgpu->msi_trigger) > eventfd_signal(vgpu->msi_trigger, 1); Good point. I folded that suggestion into the patch.