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[79.182.97.190]) by smtp.gmail.com with ESMTPSA id z15sm20847366wrq.24.2020.11.02.02.23.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Nov 2020 02:23:37 -0800 (PST) Date: Mon, 2 Nov 2020 05:23:28 -0500 From: "Michael S. Tsirkin" To: Daniel Vetter Subject: Re: linux-next: build failure after merge of the drm-misc tree Message-ID: <20201102052254-mutt-send-email-mst@kernel.org> References: <20201102124327.2f82b2a7@canb.auug.org.au> MIME-Version: 1.0 In-Reply-To: Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stephen Rothwell , Joerg Roedel , Intel Graphics , Linux Kernel Mailing List , DRI , Christoph Hellwig , Linux Next Mailing List , Christian =?iso-8859-1?Q?K=F6nig?= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Mon, Nov 02, 2020 at 10:28:34AM +0100, Daniel Vetter wrote: > On Mon, Nov 2, 2020 at 2:43 AM Stephen Rothwell wrote: > > > > Hi all, > > > > After merging the drm-misc tree, today's linux-next build (arm > > multi_v7_defconfig) failed like this: > > > > In file included from drivers/gpu/drm/nouveau/nouveau_ttm.c:26: > > include/linux/swiotlb.h: In function 'swiotlb_max_mapping_size': > > include/linux/swiotlb.h:99:9: error: 'SIZE_MAX' undeclared (first use in this function) > > 99 | return SIZE_MAX; > > | ^~~~~~~~ > > include/linux/swiotlb.h:7:1: note: 'SIZE_MAX' is defined in header ''; did you forget to '#include '? > > 6 | #include > > +++ |+#include > > 7 | #include > > include/linux/swiotlb.h:99:9: note: each undeclared identifier is reported only once for each function it appears in > > 99 | return SIZE_MAX; > > | ^~~~~~~~ > > > > Caused by commit > > > > abe420bfae52 ("swiotlb: Introduce swiotlb_max_mapping_size()") > > > > but only exposed by commit > > > > 4dbafbd30aef ("drm/nouveu: fix swiotlb include") > > > > I applied the following fix for today: > > > > From: Stephen Rothwell > > Date: Mon, 2 Nov 2020 12:34:57 +1100 > > Subject: [PATCH] swiotlb: using SIZE_MAX needs limits.h included > > > > Fixes: abe420bfae52 ("swiotlb: Introduce swiotlb_max_mapping_size()") > > Signed-off-by: Stephen Rothwell > > I think simplest if this lands through dma-api tree into current -rc > kernels. Or should we just put this into drm-misc-next since that's > where the problem shows up? Christoph, any preference from dma-api > side? > -Daniel Or I can merge it since I merged the original patch causing the issue ... > > --- > > include/linux/swiotlb.h | 3 +++ > > 1 file changed, 3 insertions(+) > > > > diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h > > index 513913ff7486..ed9de7855d3b 100644 > > --- a/include/linux/swiotlb.h > > +++ b/include/linux/swiotlb.h > > @@ -5,6 +5,9 @@ > > #include > > #include > > #include > > +#ifndef CONFIG_SWIOTLB > > +#include > > +#endif > > > > struct device; > > struct page; > > -- > > 2.28.0 > > > > -- > > Cheers, > > Stephen Rothwell > > > > -- > Daniel Vetter > Software Engineer, Intel Corporation > http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel