From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id B16DEA00C3; Wed, 22 Jun 2022 03:42:46 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 8D4324069C; Wed, 22 Jun 2022 03:42:46 +0200 (CEST) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by mails.dpdk.org (Postfix) with ESMTP id A8C5540151 for ; Wed, 22 Jun 2022 03:42:45 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1655862165; x=1687398165; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=t3CBKDsqdxCwrhKUCMoD+p5Mt64xhESbu+d9R5BxzZo=; b=fYe3kQ/EP9DjkaztDTukT3Ke/1nj+NJZOMIeypTOx8vkhhQDLpOaXHYK 5ujAr6WFLxDriHi2kVQEAHAS37vXHYlJJnEm01FAYbbvh4s52PPjFdcf8 Fmqni30Sm6jAzD+7Cnf6CvwqEwl2eLm8t5bevneJhgQdsXljbsfBsHNkg 2wqJxHSX5b/HYI+4idpS1xPdRlzyRtJSECL1OcQefnzNYM70heUgdQx3L MDxCF3M1mYi6Aj3pBcOktuT6YFgqam8CZ0y24D59b0ORbzWn9PpA8kwH9 PfoXXJfSM+nOQYD19GfbbHSx3pmZXBO12NJ9eig8WfhDDs6MWNpoa/hCr g==; X-IronPort-AV: E=McAfee;i="6400,9594,10385"; a="366607933" X-IronPort-AV: E=Sophos;i="5.92,211,1650956400"; d="scan'208";a="366607933" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jun 2022 18:42:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,211,1650956400"; d="scan'208";a="690227557" Received: from fmsmsx603.amr.corp.intel.com ([10.18.126.83]) by fmsmga002.fm.intel.com with ESMTP; 21 Jun 2022 18:42:40 -0700 Received: from fmsmsx612.amr.corp.intel.com (10.18.126.92) by fmsmsx603.amr.corp.intel.com (10.18.126.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.27; Tue, 21 Jun 2022 18:42:39 -0700 Received: from fmsmsx612.amr.corp.intel.com (10.18.126.92) by fmsmsx612.amr.corp.intel.com (10.18.126.92) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.27; Tue, 21 Jun 2022 18:42:39 -0700 Received: from fmsmsx612.amr.corp.intel.com ([10.18.126.92]) by fmsmsx612.amr.corp.intel.com ([10.18.126.92]) with mapi id 15.01.2308.027; Tue, 21 Jun 2022 18:42:39 -0700 From: "Hu, Jiayu" To: "Ding, Xuan" , "maxime.coquelin@redhat.com" , "Xia, Chenbo" CC: "dev@dpdk.org" Subject: RE: [PATCH] doc: clean vhost async path doc Thread-Topic: [PATCH] doc: clean vhost async path doc Thread-Index: AQHYhdjkoPUDDOiYf022viyNIg0hQK1apo9Q Date: Wed, 22 Jun 2022 01:42:39 +0000 Message-ID: References: <20220622013535.100253-1-xuan.ding@intel.com> In-Reply-To: <20220622013535.100253-1-xuan.ding@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-reaction: no-action dlp-version: 11.6.500.17 dlp-product: dlpe-windows x-originating-ip: [10.239.127.36] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Reviewed-by: Jiayu Hu > -----Original Message----- > From: Ding, Xuan > Sent: Wednesday, June 22, 2022 9:36 AM > To: maxime.coquelin@redhat.com; Xia, Chenbo > Cc: dev@dpdk.org; Hu, Jiayu ; Ding, Xuan > > Subject: [PATCH] doc: clean vhost async path doc >=20 > From: Xuan Ding >=20 > This patch moves the 'Recommended IOVA mode in async datapath' > section under 'Vhost asynchronous data path' as a subsection, which make > the doc cleaner. >=20 > Signed-off-by: Xuan Ding > --- > doc/guides/prog_guide/vhost_lib.rst | 12 ++++++------ > 1 file changed, 6 insertions(+), 6 deletions(-) >=20 > diff --git a/doc/guides/prog_guide/vhost_lib.rst > b/doc/guides/prog_guide/vhost_lib.rst > index 628db3fc38..e93673ce68 100644 > --- a/doc/guides/prog_guide/vhost_lib.rst > +++ b/doc/guides/prog_guide/vhost_lib.rst > @@ -488,11 +488,11 @@ support sharing DMA channels among vrings. > not poll completed will cause the DMA ring to be full, which will > result in packet loss eventually. >=20 > -Recommended IOVA mode in async datapath > ---------------------------------------- > +* Recommended IOVA mode in async datapath >=20 > -When DMA devices are bound to VFIO driver, VA mode is recommended. > -For PA mode, page by page mapping may exceed IOMMU's max capability, - > better to use 1G guest hugepage. > + When DMA devices are bound to VFIO driver, VA mode is recommended. > + For PA mode, page by page mapping may exceed IOMMU's max capability, > + better to use 1G guest hugepage. >=20 > -For UIO driver, any VFIO related error message can be ignored. > + For UIO driver or kernel driver, any VFIO related error messages can > + be ignored. > -- > 2.17.1