On Mon, Aug 25, 2025 at 02:59:03PM -0700, Namhyung Kim wrote: > To pick up the changes in this cset: > > 7d9896e9f6d02d8a vhost: Reintroduce kthread API and add mode selection > 333c515d189657c9 vhost-net: allow configuring extended features > > This addresses these perf build warnings: > > Warning: Kernel ABI header differences: > diff -u tools/perf/trace/beauty/include/uapi/linux/vhost.h > include/uapi/linux/vhost.h > > Please see tools/include/uapi/README for further details. > > Cc: "Michael S. Tsirkin" <m...@redhat.com> > Cc: Jason Wang <jasow...@redhat.com> > Cc: k...@vger.kernel.org > Cc: virtualizat...@lists.linux.dev > Signed-off-by: Namhyung Kim <namhy...@kernel.org>
Acked-by: Michael S. Tsirkin <m...@redhat.com> Should I queue it? > --- > * This is on top of the fix below: > https://lore.kernel.org/r/20250819063958.833770-1-namhy...@kernel.org > > .../trace/beauty/include/uapi/linux/vhost.h | 35 +++++++++++++++++++ > 1 file changed, 35 insertions(+) > > diff --git a/tools/perf/trace/beauty/include/uapi/linux/vhost.h > b/tools/perf/trace/beauty/include/uapi/linux/vhost.h > index d4b3e2ae1314d1fc..c57674a6aa0dbbea 100644 > --- a/tools/perf/trace/beauty/include/uapi/linux/vhost.h > +++ b/tools/perf/trace/beauty/include/uapi/linux/vhost.h > @@ -235,4 +235,39 @@ > */ > #define VHOST_VDPA_GET_VRING_SIZE _IOWR(VHOST_VIRTIO, 0x82, \ > struct vhost_vring_state) > + > +/* Extended features manipulation */ > +#define VHOST_GET_FEATURES_ARRAY _IOR(VHOST_VIRTIO, 0x83, \ > + struct vhost_features_array) > +#define VHOST_SET_FEATURES_ARRAY _IOW(VHOST_VIRTIO, 0x83, \ > + struct vhost_features_array) > + > +/* fork_owner values for vhost */ > +#define VHOST_FORK_OWNER_KTHREAD 0 > +#define VHOST_FORK_OWNER_TASK 1 > + > +/** > + * VHOST_SET_FORK_FROM_OWNER - Set the fork_owner flag for the vhost device, > + * This ioctl must called before VHOST_SET_OWNER. > + * Only available when CONFIG_VHOST_ENABLE_FORK_OWNER_CONTROL=y > + * > + * @param fork_owner: An 8-bit value that determines the vhost thread mode > + * > + * When fork_owner is set to VHOST_FORK_OWNER_TASK(default value): > + * - Vhost will create vhost worker as tasks forked from the owner, > + * inheriting all of the owner's attributes. > + * > + * When fork_owner is set to VHOST_FORK_OWNER_KTHREAD: > + * - Vhost will create vhost workers as kernel threads. > + */ > +#define VHOST_SET_FORK_FROM_OWNER _IOW(VHOST_VIRTIO, 0x84, __u8) > + > +/** > + * VHOST_GET_FORK_OWNER - Get the current fork_owner flag for the vhost > device. > + * Only available when CONFIG_VHOST_ENABLE_FORK_OWNER_CONTROL=y > + * > + * @return: An 8-bit value indicating the current thread mode. > + */ > +#define VHOST_GET_FORK_FROM_OWNER _IOR(VHOST_VIRTIO, 0x85, __u8) > + > #endif > -- > 2.51.0.261.g7ce5a0a67e-goog
