On Sat, May 07 2022, Jason Wang <jasowang@xxxxxxxxxx> wrote: > This patch introduces new virtio config op to vring > callbacks. Transport specific method is required to make sure the > write before this function is visible to the vring_interrupt() that is > called after the return of this function. For the transport that > doesn't provide synchronize_vqs(), use synchornize_rcu() which > synchronize with IRQ implicitly as a fallback. > > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > Cc: "Paul E. McKenney" <paulmck@xxxxxxxxxx> > Cc: Marc Zyngier <maz@xxxxxxxxxx> > Cc: Halil Pasic <pasic@xxxxxxxxxxxxx> > Cc: Cornelia Huck <cohuck@xxxxxxxxxx> > Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx> > --- > include/linux/virtio_config.h | 25 +++++++++++++++++++++++++ > 1 file changed, 25 insertions(+) Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx> _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
