From: Cornelia Huck <cohuck@redhat.com>
To: Jason Wang <jasowang@redhat.com>,
jasowang@redhat.com, mst@redhat.com,
virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org
Cc: tglx@linutronix.de, peterz@infradead.org, paulmck@kernel.org,
maz@kernel.org, pasic@linux.ibm.com, eperezma@redhat.com,
lulu@redhat.com, sgarzare@redhat.com, xuanzhuo@linux.alibaba.com
Subject: Re: [PATCH V4 3/9] virtio: introduce config op to synchronize vring callbacks
Date: Mon, 09 May 2022 17:24:37 +0200 [thread overview]
Message-ID: <878rra4tl6.fsf@redhat.com> (raw)
In-Reply-To: <20220507071954.14455-4-jasowang@redhat.com>
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>
next prev parent reply other threads:[~2022-05-09 15:24 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-07 7:19 [PATCH V4 0/9] rework on the IRQ hardening of virtio Jason Wang
2022-05-07 7:19 ` [PATCH V4 1/9] virtio: use virtio_device_ready() in virtio_device_restore() Jason Wang
2022-05-09 15:22 ` Cornelia Huck
2022-05-10 1:50 ` Jason Wang
2022-05-07 7:19 ` [PATCH V4 2/9] virtio: use virtio_reset_device() when possible Jason Wang
2022-05-07 7:19 ` [PATCH V4 3/9] virtio: introduce config op to synchronize vring callbacks Jason Wang
2022-05-09 15:24 ` Cornelia Huck [this message]
2022-05-07 7:19 ` [PATCH V4 4/9] virtio-pci: implement synchronize_cbs() Jason Wang
2022-05-09 15:26 ` Cornelia Huck
2022-05-07 7:19 ` [PATCH V4 5/9] virtio-mmio: " Jason Wang
2022-05-09 15:34 ` Cornelia Huck
2022-05-07 7:19 ` [PATCH V4 6/9] virtio-ccw: " Jason Wang
2022-05-10 11:27 ` Michael S. Tsirkin
2022-05-11 2:41 ` Jason Wang
2022-05-11 8:17 ` Cornelia Huck
2022-05-11 8:58 ` Jason Wang
2022-05-11 9:13 ` Cornelia Huck
2022-05-11 9:28 ` Jason Wang
2022-05-11 14:52 ` Vineeth Vijayan
2022-05-12 3:29 ` Jason Wang
2022-05-07 7:19 ` [PATCH V4 7/9] virtio: allow to unbreak virtqueue Jason Wang
2022-05-07 7:19 ` [PATCH V4 8/9] virtio: harden vring IRQ Jason Wang
2022-05-10 11:32 ` Michael S. Tsirkin
2022-05-11 2:40 ` Jason Wang
2022-05-11 8:44 ` Cornelia Huck
2022-05-11 9:27 ` Jason Wang
2022-05-11 12:49 ` Halil Pasic
2022-05-12 3:27 ` Jason Wang
2022-05-07 7:19 ` [PATCH V4 9/9] virtio: use WARN_ON() to warning illegal status value Jason Wang
2022-05-10 9:29 ` [PATCH V4 0/9] rework on the IRQ hardening of virtio Cornelia Huck
2022-05-11 2:22 ` Jason Wang
2022-05-11 14:01 ` Halil Pasic
2022-05-12 3:31 ` Jason Wang
2022-05-16 11:20 ` Halil Pasic
2022-05-16 14:25 ` Michael S. Tsirkin
2022-05-17 1:00 ` Jason Wang
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