On Sun, May 10, 2026 at 10:08:49PM +0200, Cédric Le Goater wrote:
> On 5/7/26 11:23, Song Gao wrote:
> > diff --git a/include/standard-headers/linux/virtio_ring.h
> > b/include/standard-headers/linux/virtio_ring.h
> > index 22f6eb8ca7..7baf1968a3 100644
> > --- a/include/standard-headers/linux/virtio_ring.h
> > +++ b/include/standard-headers/linux/virtio_ring.h
> > @@ -31,7 +31,6 @@
> > * SUCH DAMAGE.
> > *
> > * Copyright Rusty Russell IBM Corporation 2007. */
> > -#include <stdint.h>
> > #include "standard-headers/linux/types.h"
> > #include "standard-headers/linux/virtio_types.h"
> > @@ -200,7 +199,7 @@ static inline void vring_init(struct vring *vr,
> > unsigned int num, void *p,
> > vr->num = num;
> > vr->desc = p;
> > vr->avail = (struct vring_avail *)((char *)p + num * sizeof(struct
> > vring_desc));
> > - vr->used = (void *)(((uintptr_t)&vr->avail->ring[num] +
> > sizeof(__virtio16)
> > + vr->used = (void *)(((unsigned long)&vr->avail->ring[num] +
> > sizeof(__virtio16)
> > + align-1) & ~(align - 1));
> > }
>
> The kernel commit 3c4629b68dbe ("virtio: uapi: avoid usage of
> libc types") changed this virtio header and this breaks the
> build on Windows :
>
> https://gitlab.com/legoater/qemu/-/jobs/14297040230
>
> A fix could be to reintroduce 'uintptr_t' (available through
> osdep.h) by modifying the linux headers update script. Ideas ?
>
> Thanks,
>
> C.
Yea sorry ( Just add
#define VIRTIO_RING_NO_LEGACY
somewhere.
--
MST
