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 C3848E748E9 for ; Sun, 1 Oct 2023 18:10:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235276AbjJASK2 (ORCPT ); Sun, 1 Oct 2023 14:10:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55698 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233932AbjJASK1 (ORCPT ); Sun, 1 Oct 2023 14:10:27 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F349CBC for ; Sun, 1 Oct 2023 11:10:24 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPS id 8448EC433C9; Sun, 1 Oct 2023 18:10:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696183824; bh=qUjOQ1NO/389X856xo2f7ZphJPr5J5BqTviNC+jbX3s=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=O6yyyQawzDFnonculnvgu30p1d39wHGPnQXD/TALW6KNatgxtOZZYfciUvpX/aS1d XxqeKlbeUYFJXuK50gezACXd5Rp4Zf6GozJTQRyKXVjpKjtgXscLJGMLF5spQQICrx MZBt9sLUrc6fKg+QirgJH+w79pnlixh0l/EP8o6/56mRJNbVg7Z9TLu/AUV3OGTXMS SscOK0Xc2Y9jbXYN9rcRfEvFac/xOCVmrT6vXVWZ255Bw5Jdt7yAb2Y+Ts9FJCeRu/ MJT6Mg+8YSky4eRVLfoIpxaFKk3BqCTI58tEKhhCfYc/Y1wtyb0wFUrAXxf3Ybhob4 +IVCztUoD6DtA== 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 675DCC43170; Sun, 1 Oct 2023 18:10:24 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next v2] openvswitch: reduce stack usage in do_execute_actions From: patchwork-bot+netdevbpf@kernel.org Message-Id: <169618382441.7639.12391501552902895614.git-patchwork-notify@kernel.org> Date: Sun, 01 Oct 2023 18:10:24 +0000 References: <20230921194314.1976605-1-i.maximets@ovn.org> In-Reply-To: <20230921194314.1976605-1-i.maximets@ovn.org> To: Ilya Maximets Cc: netdev@vger.kernel.org, kuba@kernel.org, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, linux-kernel@vger.kernel.org, dev@openvswitch.org, pshelar@ovn.org, echaudro@redhat.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (main) by David S. Miller : On Thu, 21 Sep 2023 21:42:35 +0200 you wrote: > do_execute_actions() function can be called recursively multiple > times while executing actions that require pipeline forking or > recirculations. It may also be re-entered multiple times if the packet > leaves openvswitch module and re-enters it through a different port. > > Currently, there is a 256-byte array allocated on stack in this > function that is supposed to hold NSH header. Compilers tend to > pre-allocate that space right at the beginning of the function: > > [...] Here is the summary with links: - [net-next,v2] openvswitch: reduce stack usage in do_execute_actions https://git.kernel.org/netdev/net-next/c/06bc3668cc2a You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html