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From: Karl Mehltretter <kmehltretter@gmail.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: virtualization@lists.linux.dev, jasowangio@gmail.com,
	 eperezma@redhat.com, xuanzhuo@linux.alibaba.com,
	jiri@resnulli.us,  sashiko-bot@kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/3] virtio: synchronize callbacks after device reset
Date: Sat, 12 Sep 2026 00:50:42 +0200	[thread overview]
Message-ID: <aqSFkk9bneL4zeNU@gmail.com> (raw)
In-Reply-To: <01295278b402c2856b83568e07c86853f2d30e2b.1789160982.git.mst@redhat.com>

On Fri, Sep 11, 2026 at 05:20:09PM +0100, Michael S. Tsirkin wrote:
> Add virtio_synchronize_cbs to virtio_reset_device fixing this for all
> transports that correctly implement synchronize_cbs().
> 

I ran 1,200 instrumented virtio-input reset cycles on x86-64 PCI and
arm64 virtio-mmio under KASAN, KCSAN and lockdep. All 173 callback/reset
overlaps completed before reset returned.

Tested-by: Karl Mehltretter <kmehltretter@gmail.com>
Acked-by: Karl Mehltretter <kmehltretter@gmail.com>

Thanks,
Karl

  parent reply	other threads:[~2026-09-11 22:51 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-11 21:20 [PATCH v3 0/3] virtio: fix callback synchronization and avq cleanup on reset Michael S. Tsirkin
2026-09-11 21:20 ` [PATCH v3 1/3] virtio: synchronize callbacks after device reset Michael S. Tsirkin
2026-09-11 21:37   ` sashiko-bot
2026-09-11 22:50   ` Karl Mehltretter [this message]
2026-09-11 21:20 ` [PATCH v3 3/3] virtio_pci_modern: move avq cleanup from reset to del_vqs Michael S. Tsirkin
2026-09-11 21:38   ` sashiko-bot
2026-09-11 22:48   ` Karl Mehltretter
2026-09-11 22:51     ` Michael S. Tsirkin
2026-09-11 21:20 ` [PATCH v3 2/3] virtio_pci_legacy: drop callback sync on reset Michael S. Tsirkin
2026-09-11 21:38   ` sashiko-bot
2026-09-11 22:51   ` Karl Mehltretter

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