On Thu, Sep 10, 2020 at 10:46:43AM -0600, Mathieu Poirier wrote: > On Thu, Sep 10, 2020 at 09:15:13AM +0200, Guennadi Liakhovetski wrote: > > Hi Mathieu, > > > > On Wed, Sep 09, 2020 at 04:42:14PM -0600, Mathieu Poirier wrote: > > > On Wed, Aug 26, 2020 at 07:46:33PM +0200, Guennadi Liakhovetski wrote: > > > > VHOST_VSOCK_SET_RUNNING is used by the vhost vsock driver to perform > > > > crucial VirtQueue initialisation, like assigning .private fields and > > > > calling vhost_vq_init_access(), and clean up. However, this ioctl is > > > > actually extremely useful for any vhost driver, that doesn't have a > > > > side channel to inform it of a status change, e.g. upon a guest > > > > reboot. This patch makes that ioctl generic, while preserving its > > > > numeric value and also keeping the original alias. > > > > > > > > Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@xxxxxxxxxxxxxxx> > > > > --- > > > > include/uapi/linux/vhost.h | 4 +++- > > > > 1 file changed, 3 insertions(+), 1 deletion(-) > > > > > > > > diff --git a/include/uapi/linux/vhost.h b/include/uapi/linux/vhost.h > > > > index 75232185324a..11a4948b6216 100644 > > > > --- a/include/uapi/linux/vhost.h > > > > +++ b/include/uapi/linux/vhost.h > > > > @@ -97,6 +97,8 @@ > > > > #define VHOST_SET_BACKEND_FEATURES _IOW(VHOST_VIRTIO, 0x25, __u64) > > > > #define VHOST_GET_BACKEND_FEATURES _IOR(VHOST_VIRTIO, 0x26, __u64) > > > > > > > > +#define VHOST_SET_RUNNING _IOW(VHOST_VIRTIO, 0x61, int) > > > > + > > > > > > I don't see it used in the next patches and as such should be part of another > > > series. > > > > It isn't used in the next patches, it is used in this patch - see below. > > > > Right, but why is this part of this set? What does it bring? It should be part > of a patchset where "VHOST_SET_RUNNING" is used. Ok, I can remove this patch from this series and make it a part of the series, containing [1] "vhost: add an SOF Audio DSP driver" Thanks Guennadi [1] https://www.spinics.net/lists/linux-virtualization/msg43309.html > > > > /* VHOST_NET specific defines */ > > > > > > > > /* Attach virtio net ring to a raw socket, or tap device. > > > > @@ -118,7 +120,7 @@ > > > > /* VHOST_VSOCK specific defines */ > > > > > > > > #define VHOST_VSOCK_SET_GUEST_CID _IOW(VHOST_VIRTIO, 0x60, __u64) > > > > -#define VHOST_VSOCK_SET_RUNNING _IOW(VHOST_VIRTIO, 0x61, int) > > > > +#define VHOST_VSOCK_SET_RUNNING VHOST_SET_RUNNING > > > > > > > > /* VHOST_VDPA specific defines */ > > > > > > > > -- > > > > 2.28.0 > > > >
