Messages in this thread | | | From | Cornelia Huck <> | Subject | Re: [PATCH V4 3/9] virtio: introduce config op to synchronize vring callbacks | Date | Mon, 09 May 2022 17:24:37 +0200 |
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On Sat, May 07 2022, Jason Wang <jasowang@redhat.com> 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@linutronix.de> > Cc: Peter Zijlstra <peterz@infradead.org> > Cc: "Paul E. McKenney" <paulmck@kernel.org> > Cc: Marc Zyngier <maz@kernel.org> > Cc: Halil Pasic <pasic@linux.ibm.com> > Cc: Cornelia Huck <cohuck@redhat.com> > Signed-off-by: Jason Wang <jasowang@redhat.com> > --- > include/linux/virtio_config.h | 25 +++++++++++++++++++++++++ > 1 file changed, 25 insertions(+)
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
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