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 X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EA2FDC47404 for ; Mon, 7 Oct 2019 13:59:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BDF3520867 for ; Mon, 7 Oct 2019 13:59:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570456778; bh=EgoY6K4XF7lSrEpX97ximQ3QyNxEnI7nfyRlB5Kyj/k=; h=From:To:Cc:Subject:Date:List-ID:From; b=s1BUPghyIRx+/1ZZv47iE5ljxHaGMuLkISRagZAPOs0bAlcYtZEYxmKidjLyDQAuO JAScjWhti7qCBFBL9qhIXvAGVHUOy/+o9Xvtg4FewRdzAM7e9X8wywE4PFX/kAcaGX 2BDwWRPDIggxP55uRmiHco6hFjz9fXyGdZJd/iBM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727442AbfJGN7i (ORCPT ); Mon, 7 Oct 2019 09:59:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:43992 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727536AbfJGN7h (ORCPT ); Mon, 7 Oct 2019 09:59:37 -0400 Received: from localhost (unknown [193.47.165.251]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A6C3D20684; Mon, 7 Oct 2019 13:59:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570456777; bh=EgoY6K4XF7lSrEpX97ximQ3QyNxEnI7nfyRlB5Kyj/k=; h=From:To:Cc:Subject:Date:From; b=L8Kk6oStL2jNDzc6VI/PEuucG/hjVvmMo1bhoU+f0xUJpg+vItlk3H85a13ns28an 67THK81vm0vdz+SpGRWflxxGhSSk+eiUML60s7bnU8cfTURlZ1LDWqPv/UQGNldvHr DiyvqRMzUTxCRIJFEbIpwvJceidWEQCU3C0f+AZ4= From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe , Christoph Hellwig Cc: Leon Romanovsky , RDMA mailing list , Or Gerlitz , Yamin Friedman , Saeed Mahameed , linux-netdev Subject: [PATCH rdma-next v2 0/3] Optimize SGL registration Date: Mon, 7 Oct 2019 16:59:30 +0300 Message-Id: <20191007135933.12483-1-leon@kernel.org> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Leon Romanovsky Changelog v1->v2: https://lore.kernel.org/linux-rdma/20191007115819.9211-1-leon@kernel.org * Used Christoph's comment * Change patch code flow to have one DMA_FROM_DEVICE check v0->v1: https://lore.kernel.org/linux-rdma/20191006155955.31445-1-leon@kernel.org * Reorganized patches to have IB/core changes separated from mlx5 * Moved SGL check before rdma_rw_force_mr * Added and rephrased original comment. ----------------------------------------------------------------------------- Hi, This series from Yamin implements long standing "TODO" existed in rw.c. Thanks Yamin Friedman (3): net/mlx5: Expose optimal performance scatter entries capability RDMA/rw: Support threshold for registration vs scattering to local pages RDMA/mlx5: Add capability for max sge to get optimized performance drivers/infiniband/core/rw.c | 25 +++++++++++++++---------- drivers/infiniband/hw/mlx5/main.c | 2 ++ include/linux/mlx5/mlx5_ifc.h | 2 +- include/rdma/ib_verbs.h | 2 ++ 4 files changed, 20 insertions(+), 11 deletions(-) -- 2.20.1