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=-10.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 2B6E0C07E99 for ; Fri, 9 Jul 2021 12:31:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 11162613C0 for ; Fri, 9 Jul 2021 12:31:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231310AbhGIMdx (ORCPT ); Fri, 9 Jul 2021 08:33:53 -0400 Received: from mga17.intel.com ([192.55.52.151]:44519 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231308AbhGIMdx (ORCPT ); Fri, 9 Jul 2021 08:33:53 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10039"; a="190071330" X-IronPort-AV: E=Sophos;i="5.84,226,1620716400"; d="scan'208";a="190071330" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jul 2021 05:31:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,226,1620716400"; d="scan'208";a="492513539" Received: from linux.intel.com ([10.54.29.200]) by orsmga001.jf.intel.com with ESMTP; 09 Jul 2021 05:31:06 -0700 Received: from [10.212.175.145] (kliang2-MOBL.ccr.corp.intel.com [10.212.175.145]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by linux.intel.com (Postfix) with ESMTPS id 432FC580911; Fri, 9 Jul 2021 05:31:06 -0700 (PDT) Subject: Re: [PATCH] perf/x86/intel: Apply early ACK for small core To: Peter Zijlstra Cc: mingo@redhat.com, linux-kernel@vger.kernel.org, ak@linux.intel.com, stable@vger.kernel.org References: <1625774073-153697-1-git-send-email-kan.liang@linux.intel.com> From: "Liang, Kan" Message-ID: Date: Fri, 9 Jul 2021 08:31:04 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On 7/9/2021 5:49 AM, Peter Zijlstra wrote: > On Thu, Jul 08, 2021 at 12:54:33PM -0700, kan.liang@linux.intel.com wrote: >> @@ -2921,7 +2920,7 @@ static int intel_pmu_handle_irq(struct pt_regs *regs) >> * No known reason to not always do late ACK, >> * but just in case do it opt-in. >> */ > > ^^^ comment is now seriously out of date. Can you please update it? > Sure, I will update it and send a V2 patch. Thanks, Kan