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=-8.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 08F7CC4338F for ; Tue, 10 Aug 2021 18:25:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DCDD560231 for ; Tue, 10 Aug 2021 18:25:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232331AbhHJS0A (ORCPT ); Tue, 10 Aug 2021 14:26:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33722 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241644AbhHJSZW (ORCPT ); Tue, 10 Aug 2021 14:25:22 -0400 Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 69E9EC0613A1 for ; Tue, 10 Aug 2021 11:24:12 -0700 (PDT) Received: by mail-pj1-x102a.google.com with SMTP id fa24-20020a17090af0d8b0290178bfa69d97so459854pjb.0 for ; Tue, 10 Aug 2021 11:24:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=android.com; s=20210112; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=BB2E/eMc79JthrmvTZ51XPlnHyBCKKLrw6A5OUus8gA=; b=fiO5qt9bNa4BdgZLD8403p4zmbrBTpMtQj75AG/O6lLDvRLPoEkn3WpnEuu0umVnwB Wby4S1veNuotXGw8bipvWY+khejLEYiLXgYa1/HE7uAo7Lr3sG3mpH7sgGR7X7LkKsJD /fnhEyUv0quYYr9mmj4i5j7e/0AL2aDM8iGDZOlSBEEAPdW6dkF7IV5f6oLHfv0ikk1g 2stE5oyWO7U5g76mS+JsNCsJ9alVtDFLR2COc9ZyIIlcpH4l8VvnvBphCYaIbv5yD90P /LwjrYbKCtv0eXwGoU7yjyrW/lIcLt5dk7kG3XOsTBwQt7ejIl40Us1NvB5DKYjlBMDF znAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=BB2E/eMc79JthrmvTZ51XPlnHyBCKKLrw6A5OUus8gA=; b=GMzkQi0cDVBN9rFNRvKvqH9XmWsNhWnlHylExhZy7+qYoO5Jw1p6lQBIk6pGkE8c7Y qW23/A+mxhZpWdGe0ielk5Vzwuoio6NUxhUx65HCuQ7+slKnynVv5cRSprefHQsd0Tli ctg1y+o4dqnKP4XEikE5cPMpifr0C0tq59h/8PYes89P1jkUJEWfzRZrq6tzyb98GClI ZqAWqa6xJZFt6SpySeb7jhZgF85pIWj0D3Fp43Z+2O9zOm0el6fDDvsXOuAoBigECAiQ LRhkO6DlZGSp06V75NjQ8S2PRfw53Z7CsuL1/LmGrksMblsGWRGRmKS+kYOE2oQyJhgS Zlvw== X-Gm-Message-State: AOAM531aAGZrEzFhYbh/5kuWbzWWe/8UHt49c7f+ttjO2RIqNATR1+Hv hCu3TlrcIVKMAflMz9rQrmpcLg== X-Google-Smtp-Source: ABdhPJxWbmHmctsQhjqG4Z7qSBbgo0Ph7bs63V4XSW10stcYdRKms6ite739TkHDPz4uXsomyGiA7Q== X-Received: by 2002:a17:90b:2304:: with SMTP id mt4mr15230928pjb.180.1628619851899; Tue, 10 Aug 2021 11:24:11 -0700 (PDT) Received: from sspatil2.c.googlers.com (190.40.105.34.bc.googleusercontent.com. [34.105.40.190]) by smtp.gmail.com with ESMTPSA id pj11sm3823128pjb.4.2021.08.10.11.24.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 10 Aug 2021 11:24:11 -0700 (PDT) Subject: Re: [pipe] 3a34b13a88: hackbench.throughput -12.6% regression To: Linus Torvalds , kernel test robot Cc: Michael Kerrisk , LKML , lkp@lists.01.org, kernel test robot , "Huang, Ying" , Feng Tang , Zhengjun Xing References: <20210802024945.GA8372@xsang-OptiPlex-9020> From: Sandeep Patil Message-ID: <27c8b23d-a4cb-1306-b7ad-91d83c6f167c@android.com> Date: Tue, 10 Aug 2021 18:24:09 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/2/21 5:14 PM, Linus Torvalds wrote: > On Mon, Aug 2, 2021 at 10:06 AM Linus Torvalds > wrote: >> >> Sandeep, does something like the attached patch (written to be on top >> of the existing one) work for you? > > .. and by "attached patch" I obviously meant the patch that wasn't attached. > > It's here. > Thank and apologies for delay. I'll get back by my EOD if this still works. Sandeep