From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pierre Morel <pmorel@linux.vnet.ibm.com>
Subject: Re: [PATCH] [RFC] virtio: Limit the retries on a virtio device reset
Date: Fri, 25 Aug 2017 13:21:06 +0200
Message-ID: <c95e82e6-a39f-ad9a-45cd-13e9f9870caf@linux.vnet.ibm.com>
References: <1503505982-29568-1-git-send-email-pmorel@linux.vnet.ibm.com>
	<20170824130746.25f80368.cohuck@redhat.com>
	<af4aa628-3583-50b3-1007-4c8b6d4e2183@linux.vnet.ibm.com>
	<20170824170725-mutt-send-email-mst@kernel.org>
	<d75121e6-5685-295a-7430-6aa8d713060b@linux.vnet.ibm.com>
	<20170825001411-mutt-send-email-mst@kernel.org>
	<20170825102612.39a5ca60.cohuck@redhat.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <virtualization-bounces@lists.linux-foundation.org>
In-Reply-To: <20170825102612.39a5ca60.cohuck@redhat.com>
Content-Language: en-US
List-Unsubscribe: <https://lists.linuxfoundation.org/mailman/options/virtualization>,
	<mailto:virtualization-request@lists.linux-foundation.org?subject=unsubscribe>
List-Archive: <http://lists.linuxfoundation.org/pipermail/virtualization/>
List-Post: <mailto:virtualization@lists.linux-foundation.org>
List-Help: <mailto:virtualization-request@lists.linux-foundation.org?subject=help>
List-Subscribe: <https://lists.linuxfoundation.org/mailman/listinfo/virtualization>,
	<mailto:virtualization-request@lists.linux-foundation.org?subject=subscribe>
Sender: virtualization-bounces@lists.linux-foundation.org
Errors-To: virtualization-bounces@lists.linux-foundation.org
To: Cornelia Huck <cohuck@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>
Cc: virtualization@lists.linux-foundation.org
List-Id: virtualization@lists.linuxfoundation.org
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