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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 49D67C48BE8 for ; Fri, 18 Jun 2021 05:00:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 22D6961209 for ; Fri, 18 Jun 2021 05:00:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232016AbhFRFCg (ORCPT ); Fri, 18 Jun 2021 01:02:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58940 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231365AbhFRFCf (ORCPT ); Fri, 18 Jun 2021 01:02:35 -0400 Received: from mail-oi1-x236.google.com (mail-oi1-x236.google.com [IPv6:2607:f8b0:4864:20::236]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C267FC061574 for ; Thu, 17 Jun 2021 22:00:25 -0700 (PDT) Received: by mail-oi1-x236.google.com with SMTP id h9so9221440oih.4 for ; Thu, 17 Jun 2021 22:00:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=5/i/wop5npp57u6T/YJWCQGL9QhtlO92Z+A4ZjRU0dw=; b=D+M12zIznOCfKmAN7D5zdmPeCWTxSB7w+H01VHhkqhdatWKtVEZg8yy3+603cCOnzw 1Con2+9M9c2WeouR/wnif7UieZvLDuQG8XN6Ivpt8jUHy57vpMykRysZ6wxSjC+eTJ2M Md+uw9bo3Lozrm+013ue7G4uqj14bPnwYaXGQlg2aq0hNWCFff79YEIEloT9cNOANivx xiPT5kdjGah/uY4D9lZ2ZcSqk76JH5gAAnDQnkNFkU8gT5xgJWetdyW0XkUc1FFOhBfJ OiMjGpGfYPvOzSi1wJHR9PPvhzFAU8XSsiFMgM0EqN6p+ny6Bq5NhCvqYLhMxyLA/BMU VYRg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=5/i/wop5npp57u6T/YJWCQGL9QhtlO92Z+A4ZjRU0dw=; b=HYygECTzwUgMDhGgFAijLNkQ8QR/XLMNeoeY+Ia0o1yZnu9cfOVLV1Ehd4x8twKTN0 tkZyrM92fuuqRBz0l3bVd4muCianQP86GUqXpcvojp/gb/inKe4nwzc3hwX1dkuMNhrY YKvdaZcRjkG7EJIXJU2KX9Pe+SQuO1Fj9kGj10LCyqG0ozXstGO+3BgyT5iOqlGI+yaE L0vhlSQfGeGkWwN4l8eiaLcZrruz5eGuWaxcKuQvKw2XT6+h37EXm/vNsFYWU8v/gTbm Oq5allMpk0l843bfIQCV18SGlwtZhn/fTB4EZPxCRvPGzQ0t5It4z/cOQCzvM2nv44eb JDvQ== X-Gm-Message-State: AOAM530wXYhNNhZpFFS8I2OoCZplF3BWuvL6vY7GzY5yZA/XJ5zKy0ZU aT7F330sVrrsAgg9AEy7Xhw= X-Google-Smtp-Source: ABdhPJwwB77DBmru38qB8Iq7759w/MJ9TZ78kYzvLk1bIJp/59he3KaHwZfHbMsow22g6YWUAmUnnQ== X-Received: by 2002:aca:b5c3:: with SMTP id e186mr5955595oif.43.1623992425140; Thu, 17 Jun 2021 22:00:25 -0700 (PDT) Received: from localhost (2603-8081-140c-1a00-2fce-3453-431e-5204.res6.spectrum.com. [2603:8081:140c:1a00:2fce:3453:431e:5204]) by smtp.gmail.com with ESMTPSA id t21sm1778920otd.35.2021.06.17.22.00.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Jun 2021 22:00:24 -0700 (PDT) From: Bob Pearson To: jgg@nvidia.com, zyjzyj2000@gmail.com, linux-rdma@vger.kernel.org Cc: Bob Pearson Subject: [PATCH for-next 0/6] Fix extra/redundant copies Date: Thu, 17 Jun 2021 23:57:37 -0500 Message-Id: <20210618045742.204195-1-rpearsonhpe@gmail.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org This series of patches removes or shortens several unneeded passes over packet data. Applies cleanly to for-next after the memory windows commits. Signed-off-by: Bob Pearson --- Bob Pearson (6): RDMA/rxe: Fix useless copy in send_atomic_ack RDMA/rxe: Fix redundant call to ip_send_check RDMA/rxe: Fix extra copies in build_rdma_network_hdr RDMA/rxe: Fix over copying in get_srq_wqe RDMA/rxe: Fix extra copy in prepare_ack_packet RDMA/rxe: Fix redundant skb_put_zero drivers/infiniband/sw/rxe/rxe_net.c | 4 +- drivers/infiniband/sw/rxe/rxe_resp.c | 56 ++++++++++++---------------- 2 files changed, 24 insertions(+), 36 deletions(-) -- 2.30.2