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Date: Mon, 16 Nov 2015 07:58:00 -0500 (EST)
From: =?utf-8?Q?Marc-Andr=C3=A9?= Lureau <mlureau@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH] vhost-user-test: support
	VHOST_USER_SET_VRING_ENABLE
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To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>, Yuanhan Liu <yuanhan.liu@linux.intel.com>, qemu-devel@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>

Hi

That patch doesn't work, vhost-user-test fails:
 
ERROR:tests/vhost-user-test.c:491:test_migrate_source_check: assertion failed: (!overlap)

----- Original Message -----
> vhost-user-test is broken now: it assumes
> QEMU sends RESET_OWNER, and we stopped doing that.
> Wait for ENABLE_RING with 0 instead.
> 
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> ---
>  tests/vhost-user-test.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/tests/vhost-user-test.c b/tests/vhost-user-test.c
> index 01cfc7e..022223b 100644
> --- a/tests/vhost-user-test.c
> +++ b/tests/vhost-user-test.c
> @@ -70,6 +70,7 @@ typedef enum VhostUserRequest {
>      VHOST_USER_SET_VRING_ERR = 14,
>      VHOST_USER_GET_PROTOCOL_FEATURES = 15,
>      VHOST_USER_SET_PROTOCOL_FEATURES = 16,
> +    VHOST_USER_SET_VRING_ENABLE = 18,
>      VHOST_USER_MAX
>  } VhostUserRequest;
>  
> @@ -315,8 +316,10 @@ static void chr_read(void *opaque, const uint8_t *buf,
> int size)
>          g_cond_signal(&s->data_cond);
>          break;
>  
> -    case VHOST_USER_RESET_OWNER:
> -        s->fds_num = 0;
> +    case VHOST_USER_SET_VRING_ENABLE:
> +        if (!msg.payload.state.num) {
> +            s->fds_num = 0;
> +        }
>          break;
>  
>      default:
> --
> MST
>