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[80.230.48.7]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4548e6a66bfsm22030189f8f.4.2026.05.11.04.42.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 May 2026 04:42:57 -0700 (PDT) Date: Mon, 11 May 2026 07:42:55 -0400 From: "Michael S. Tsirkin" To: =?iso-8859-1?Q?C=E9dric?= Le Goater Cc: qemu-devel@nongnu.org, Paolo Bonzini , Cornelia Huck , Song Gao , Avihai Horon Subject: Re: [PATCH] update-linux-headers: Inject VIRTIO_RING_NO_LEGACY in virtio_ring.h Message-ID: <20260511074232-mutt-send-email-mst@kernel.org> References: <20260511111913.3327672-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260511111913.3327672-1-clg@redhat.com> Received-SPF: pass client-ip=170.10.129.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.445, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Mon, May 11, 2026 at 01:19:13PM +0200, Cédric Le Goater wrote: > The kernel commit 3c4629b68dbe ("virtio: uapi: avoid usage of libc > types") changed the virtio_ring.h header and this breaks the build on > Windows which requires the uintptr_t type to cast from pointer to > integer. > > Inject '#define VIRTIO_RING_NO_LEGACY' at the top of the synced header > via the update script after the include guard. This discards the code > section incompatible with Windows. > > Signed-off-by: Cédric Le Goater Acked-by: Michael S. Tsirkin > --- > scripts/update-linux-headers.sh | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/scripts/update-linux-headers.sh b/scripts/update-linux-headers.sh > index da367acee790657e33c71c10bc118b085774f45d..3c3a0e9394d277766e613dd5ef4e9c7407ec0033 100755 > --- a/scripts/update-linux-headers.sh > +++ b/scripts/update-linux-headers.sh > @@ -104,6 +104,7 @@ cp_portable() { > -e 's/__kernel_ulong_t/unsigned long/' \ > -e 's/struct ethhdr/struct eth_header/' \ > -e '/\#define _LINUX_ETHTOOL_H/a \\n\#include "net/eth.h"' \ > + -e '/\#define _LINUX_VIRTIO_RING_H/a \\n\#define VIRTIO_RING_NO_LEGACY' \ > "$f" > "$to/$header"; > } > > -- > 2.54.0