From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [RFC 0/4] Virtio uses DMA API for all devices
Date: Fri, 3 Aug 2018 22:08:51 +0300
Message-ID: <20180803220812-mutt-send-email-mst__16196.0260280923$1533323218$gmane$org@kernel.org>
References: <20180720035941.6844-1-khandual@linux.vnet.ibm.com>
	<20180802235332-mutt-send-email-mst@kernel.org>
	<b31d2162-884c-0ed4-00df-e7debe0cc0e7@redhat.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <virtualization-bounces@lists.linux-foundation.org>
Content-Disposition: inline
In-Reply-To: <b31d2162-884c-0ed4-00df-e7debe0cc0e7@redhat.com>
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: Jason Wang <jasowang@redhat.com>
Cc: robh@kernel.org, srikar@linux.vnet.ibm.com, benh@kernel.crashing.org, linuxram@us.ibm.com, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, hch@infradead.org, paulus@samba.org, mpe@ellerman.id.au, joe@perches.com, david@gibson.dropbear.id.au, linuxppc-dev@lists.ozlabs.org, elfring@users.sourceforge.net, haren@linux.vnet.ibm.com, Anshuman Khandual <khandual@linux.vnet.ibm.com>
List-Id: virtualization@lists.linuxfoundation.org
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