From: "Michael S. Tsirkin" <mst@redhat.com>
To: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: qemu-devel@nongnu.org, changpeng.liu@intel.com,
stefanha@redhat.com, ldoktor@redhat.com
Subject: Re: [Qemu-devel] virtio-blk io bar size changed
Date: Mon, 11 Feb 2019 12:22:33 -0500 [thread overview]
Message-ID: <20190211122058-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <20190211165756.GN2627@work-vm>
On Mon, Feb 11, 2019 at 04:58:19PM +0000, Dr. David Alan Gilbert wrote:
> Hi,
> Lukáš reported that there's a migration breakage between 3.1 and
> current head with virtio-blk; it looks like the io bar changes from 64
> to 128 bytes and my bisect suggests it's:
>
> commit caa1ee43131c060347b32893abd41fe4865eaa2e (HEAD, refs/bisect/bad)
> Author: Changpeng Liu <changpeng.liu@intel.com>
> Date: Wed Jan 16 13:19:30 2019 +0800
>
> vhost-user-blk: add discard/write zeroes features support
>
>
> How do we fix that?
>
> Dave
Quickly :)
See the logic around virtio_net_set_config_size
and static VirtIOFeature feature_sizes - we need to
add something similar to virtio blk now.
> --
> Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
next prev parent reply other threads:[~2019-02-11 17:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-11 16:58 [Qemu-devel] virtio-blk io bar size changed Dr. David Alan Gilbert
2019-02-11 17:22 ` Michael S. Tsirkin [this message]
2019-02-12 1:59 ` Liu, Changpeng
2019-02-12 3:21 ` Michael S. Tsirkin
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