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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 9D876C433F5 for ; Wed, 9 Feb 2022 07:36:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0784F10E41F; Wed, 9 Feb 2022 07:36:49 +0000 (UTC) Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by gabe.freedesktop.org (Postfix) with ESMTPS id 23F6E10E41F; Wed, 9 Feb 2022 07:36:48 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 96FD468AFE; Wed, 9 Feb 2022 08:36:44 +0100 (CET) Date: Wed, 9 Feb 2022 08:36:44 +0100 From: Christoph Hellwig To: Zhi Wang Message-ID: <20220209073644.GD9050@lst.de> References: <20220208111151.13115-1-zhi.a.wang@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220208111151.13115-1-zhi.a.wang@intel.com> User-Agent: Mutt/1.5.17 (2007-11-01) Subject: Re: [Intel-gfx] [PATCH v6 1/3] i915/gvt: Introduce the mmio table to support VFIO new mdev API X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, Terrence Xu , dri-devel@lists.freedesktop.org, jgg@nvidia.com, intel-gvt-dev@lists.freedesktop.org, hch@lst.de Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" A cover letter with the changelog, the base and maybe a pointer to a git tree would be nice. > +static int handle_mmio_cb(struct intel_gvt_mmio_table_iter *iter, u32 offset, > + u32 device, u32 size) > +{ > + if (size < 1024 || offset == i915_mmio_reg_offset(GEN9_GFX_MOCS(0))) > + return handle_mmio(iter, offset, device, size); > + else > + return handle_mmio_block(iter, offset, device, size); > +} No need for an else statement after a return statement. > +/* XXX FIXME i915 has changed PP_XXX definition */ Btw, can someone explain this comment? I has always puzzled me.