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Re: [Qemu-devel] [PATCH] vhost-user-scsi: prevent using uninitialized vq
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] [PATCH] vhost-user-scsi: prevent using uninitialized vqs |
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Date: |
Fri, 14 Jun 2019 10:18:41 +0100 |
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User-agent: |
Mutt/1.11.4 (2019-03-13) |
On Tue, Jun 11, 2019 at 05:35:17PM -0700, Raphael Norwitz wrote:
> Of the 3 virtqueues, seabios only sets cmd, leaving ctrl
> and event without a physical address. This can cause
> vhost_verify_ring_part_mapping to return ENOMEM, causing
> the following logs:
>
> qemu-system-x86_64: Unable to map available ring for ring 0
> qemu-system-x86_64: Verify ring failure on region 0
>
> The qemu commit e6cc11d64fc998c11a4dfcde8fda3fc33a74d844
> has already resolved the issue for vhost scsi devices but
> the fix was never applied to vhost-user scsi devices.
>
> Signed-off-by: Raphael Norwitz <address@hidden>
> ---
> hw/scsi/vhost-user-scsi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Stefan Hajnoczi <address@hidden>
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