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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E439EC74A5B for ; Fri, 17 Mar 2023 09:02:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231922AbjCQJCn (ORCPT ); Fri, 17 Mar 2023 05:02:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50216 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231839AbjCQJCQ (ORCPT ); Fri, 17 Mar 2023 05:02:16 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BDAF1B06EB; Fri, 17 Mar 2023 02:00:33 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 845FAB82549; Fri, 17 Mar 2023 09:00:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 39B8FC4339E; Fri, 17 Mar 2023 09:00:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679043622; bh=k1oY0wIlo/WeCKrS5TMLXVF9KIRMR16tVb0ApKbj6go=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=oFM0djpOBL4O8HE4pTeBPSaTGIKARAN88G+3eHyBu3MQuBPixG8VzkEl3uf0qsN29 t9LIDA232MBv79QzGS74zyzwV9gmIAwfesE6erJW5C+jMCimYTvdZ5IMZkUc+2qPM3 kc0cQEFgnsDiWn7C506yk3x2amNkHN9gcqPwdohPXPtqb/fnqx+ZK7a8NzbsIfhg21 qKqDeX0RSfRvSjx1Ro5aG9fOUZDZ9nHpV/vqZ1e/25Ff02Iyx9bbWLGwW7GaIyG/sT McMud94UqGC06l22JACyqNsw/vLBDxqAUubcVkFt5HwjXXR7u3WfsE+Wv/++gv3oM0 wmLYIIy8x4zQA== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 1B65EE2A03D; Fri, 17 Mar 2023 09:00:22 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next v5] net/smc: Use percpu ref for wr tx reference From: patchwork-bot+netdevbpf@kernel.org Message-Id: <167904362210.30854.17584893958310072644.git-patchwork-notify@kernel.org> Date: Fri, 17 Mar 2023 09:00:22 +0000 References: <20230317032132.85206-1-KaiShen@linux.alibaba.com> In-Reply-To: <20230317032132.85206-1-KaiShen@linux.alibaba.com> To: Kai Shen Cc: kgraul@linux.ibm.com, wenjia@linux.ibm.com, jaka@linux.ibm.com, kuba@kernel.org, davem@davemloft.net, netdev@vger.kernel.org, linux-s390@vger.kernel.org, linux-rdma@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (main) by David S. Miller : On Fri, 17 Mar 2023 03:21:32 +0000 you wrote: > The refcount wr_tx_refcnt may cause cache thrashing problems among > cores and we can use percpu ref to mitigate this issue here. We > gain some performance improvement with percpu ref here on our > customized smc-r verion. Applying cache alignment may also mitigate > this problem but it seem more reasonable to use percpu ref here. > We can also replace wr_reg_refcnt with one percpu reference like > wr_tx_refcnt. > > [...] Here is the summary with links: - [net-next,v5] net/smc: Use percpu ref for wr tx reference https://git.kernel.org/netdev/net-next/c/79a22238b4f2 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html