From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from ws5-mx01.kavi.com (ws5-mx01.kavi.com [34.193.7.191]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9A49BC6FD1D for ; Wed, 15 Mar 2023 15:25:10 +0000 (UTC) Received: from lists.oasis-open.org (oasis.ws5.connectedcommunity.org [10.110.1.242]) by ws5-mx01.kavi.com (Postfix) with ESMTP id E58D16024D for ; Wed, 15 Mar 2023 15:25:09 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id DAF9E986412 for ; Wed, 15 Mar 2023 15:25:09 +0000 (UTC) Received: from host09.ws5.connectedcommunity.org (host09.ws5.connectedcommunity.org [10.110.1.97]) by lists.oasis-open.org (Postfix) with QMQP id CFFCD9863FC; Wed, 15 Mar 2023 15:25:09 +0000 (UTC) Mailing-List: contact virtio-dev-help@lists.oasis-open.org; run by ezmlm List-ID: Sender: Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id BFEA8986402 for ; Wed, 15 Mar 2023 15:25:09 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-MC-Unique: nlHLXK6FOqadA5943BuqQA-1 Date: Wed, 15 Mar 2023 11:25:03 -0400 From: Stefan Hajnoczi To: Viresh Kumar Cc: qemu-devel@nongnu.org, virtio-dev@lists.oasis-open.org, "Michael S. Tsirkin" , Vincent Guittot , Alex =?iso-8859-1?Q?Benn=E9e?= , stratos-dev@op-lists.linaro.org, Oleksandr Tyshchenko , xen-devel@lists.xen.org, Andrew Cooper , Juergen Gross , Sebastien Boeuf , Liu Jiang , Mathieu Poirier Message-ID: <20230315152503.GC16636@fedora> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="OCgU33HjGcfce1Ev" Content-Disposition: inline In-Reply-To: X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Subject: [virtio-dev] Re: [PATCH V3 0/2] qemu: vhost-user: Support Xen memory mapping quirks --OCgU33HjGcfce1Ev Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Mar 09, 2023 at 02:20:59PM +0530, Viresh Kumar wrote: > Hello, >=20 > This patchset tries to update the vhost-user protocol to make it support = special > memory mapping required in case of Xen hypervisor. >=20 > The first patch is mostly cleanup and second one introduces a new xen spe= cific > feature. >=20 > V2->V3: > - Remove the extra message and instead update the memory regions to carry > additional data. >=20 > - Drop the one region one mmap relationship and allow back-end to map onl= y parts > of a region at once, required for Xen grant mappings. >=20 > - Additional cleanup patch 1/2. >=20 > V1->V2: > - Make the custom mmap feature Xen specific, instead of being generic. > - Clearly define which memory regions are impacted by this change. > - Allow VHOST_USER_SET_XEN_MMAP to be called multiple times. > - Additional Bit(2) property in flags. Looks good, thanks! Michael is the maintainer and this patch series will go through his tree. Stefan --OCgU33HjGcfce1Ev Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAmQR408ACgkQnKSrs4Gr c8gHnQf/QCidE8WSy1ka0dk9J5LPoXLVAWi2jeZa8dQXbtfkfPLQVuMD94klQw0p ttlBsAdsyw5lvbC0fdSClu12bCgKzMDVNH/vXFNkSkDWYFX4gIgx0jtDfeYbtW75 YmWbol1fw+CM/RWkUWKm+FsyyGge8iNDf7HfM4BvpzfvdZh+4YSOEj+xBmYaq9VT NGM5DzCy5N8LpC/oHv3sxnKLXUqML6+rdlHvcAZpDlos4UzcobtHAh7YOhumhBuw qfCXVKjSQ7hglcFaZRTUtoPOWZR+a3GpRAhS3V6sTryjmal/wuOrKe8SAYXD9ba1 dPqU2PNw8Qq3755oaw/Haw+2cO9JXw== =BraW -----END PGP SIGNATURE----- --OCgU33HjGcfce1Ev-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 650CDC61DA4 for ; Wed, 15 Mar 2023 15:25:32 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.510118.787238 (Exim 4.92) (envelope-from ) id 1pcT09-0001PR-MV; Wed, 15 Mar 2023 15:25:17 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 510118.787238; Wed, 15 Mar 2023 15:25:17 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1pcT09-0001PK-IW; Wed, 15 Mar 2023 15:25:17 +0000 Received: by outflank-mailman (input) for mailman id 510118; Wed, 15 Mar 2023 15:25:16 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1pcT08-0001PE-GD for xen-devel@lists.xen.org; Wed, 15 Mar 2023 15:25:16 +0000 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 94142081-c345-11ed-b464-930f4c7d94ae; Wed, 15 Mar 2023 16:25:13 +0100 (CET) Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-571-nlHLXK6FOqadA5943BuqQA-1; Wed, 15 Mar 2023 11:25:07 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 383AA280A322; Wed, 15 Mar 2023 15:25:06 +0000 (UTC) Received: from localhost (unknown [10.39.194.57]) by smtp.corp.redhat.com (Postfix) with ESMTP id 60E49C164E7; Wed, 15 Mar 2023 15:25:05 +0000 (UTC) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 94142081-c345-11ed-b464-930f4c7d94ae DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1678893912; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ZmsDWDJ1wYkb1pq/w2HSM4F9if02u6jamfytLtq8BF8=; b=QdWRmK11CNDsTlVdyi749ESSKHpWhkaAJjUuy1l1hj/gzXhk0yPGBZoy8wOZW4D3FbffJU XaZF8Jpkm5LRlWY4uiOqUDWPYGbP+llMUSNx7dTQmv4TnV+5/DklrzlyohUSgBXopN0LFe 20K1qSj2qMF4avGrCsWjklAyAc3RGO4= X-MC-Unique: nlHLXK6FOqadA5943BuqQA-1 Date: Wed, 15 Mar 2023 11:25:03 -0400 From: Stefan Hajnoczi To: Viresh Kumar Cc: qemu-devel@nongnu.org, virtio-dev@lists.oasis-open.org, "Michael S. Tsirkin" , Vincent Guittot , Alex =?iso-8859-1?Q?Benn=E9e?= , stratos-dev@op-lists.linaro.org, Oleksandr Tyshchenko , xen-devel@lists.xen.org, Andrew Cooper , Juergen Gross , Sebastien Boeuf , Liu Jiang , Mathieu Poirier Subject: Re: [PATCH V3 0/2] qemu: vhost-user: Support Xen memory mapping quirks Message-ID: <20230315152503.GC16636@fedora> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="OCgU33HjGcfce1Ev" Content-Disposition: inline In-Reply-To: X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 --OCgU33HjGcfce1Ev Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Mar 09, 2023 at 02:20:59PM +0530, Viresh Kumar wrote: > Hello, >=20 > This patchset tries to update the vhost-user protocol to make it support = special > memory mapping required in case of Xen hypervisor. >=20 > The first patch is mostly cleanup and second one introduces a new xen spe= cific > feature. >=20 > V2->V3: > - Remove the extra message and instead update the memory regions to carry > additional data. >=20 > - Drop the one region one mmap relationship and allow back-end to map onl= y parts > of a region at once, required for Xen grant mappings. >=20 > - Additional cleanup patch 1/2. >=20 > V1->V2: > - Make the custom mmap feature Xen specific, instead of being generic. > - Clearly define which memory regions are impacted by this change. > - Allow VHOST_USER_SET_XEN_MMAP to be called multiple times. > - Additional Bit(2) property in flags. Looks good, thanks! Michael is the maintainer and this patch series will go through his tree. Stefan --OCgU33HjGcfce1Ev Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAmQR408ACgkQnKSrs4Gr c8gHnQf/QCidE8WSy1ka0dk9J5LPoXLVAWi2jeZa8dQXbtfkfPLQVuMD94klQw0p ttlBsAdsyw5lvbC0fdSClu12bCgKzMDVNH/vXFNkSkDWYFX4gIgx0jtDfeYbtW75 YmWbol1fw+CM/RWkUWKm+FsyyGge8iNDf7HfM4BvpzfvdZh+4YSOEj+xBmYaq9VT NGM5DzCy5N8LpC/oHv3sxnKLXUqML6+rdlHvcAZpDlos4UzcobtHAh7YOhumhBuw qfCXVKjSQ7hglcFaZRTUtoPOWZR+a3GpRAhS3V6sTryjmal/wuOrKe8SAYXD9ba1 dPqU2PNw8Qq3755oaw/Haw+2cO9JXw== =BraW -----END PGP SIGNATURE----- --OCgU33HjGcfce1Ev--