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 <[email protected]>
Acked-by: Michael S. Tsirkin <[email protected]>
> ---
> 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
