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 D2E92E7F141 for ; Tue, 26 Sep 2023 22:18:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231222AbjIZWSA (ORCPT ); Tue, 26 Sep 2023 18:18:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52264 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231447AbjIZWP7 (ORCPT ); Tue, 26 Sep 2023 18:15:59 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B70423128; Tue, 26 Sep 2023 15:05:28 -0700 (PDT) Received: from pps.filterd (m0279865.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38QLs9jb012012; Tue, 26 Sep 2023 22:04:49 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=message-id : date : mime-version : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding; s=qcppdkim1; bh=PKb/D0HqamWxi3Wj4ngvJzC8qkJDnebrZ+o4mvzqv1s=; b=p6d1x0TQkx3wzOuyLL7onb4u6LtHYEyn58xaDH3eS1aUpaDUsCbNKDwzQPiZeyzoJYOA oUDklgXR5Ihtz6bX2D0bOsAf0wWfm5FlYytvmoSmCg6XhPcft7YWhVLY2uva3jdO6tJY ldY+w8pRI36mlun8k4uvucDoqmy5blVkHjl2oY+9cgn5fnyMnrn42Z5elGaJwhovMwPv YoOVL5V5dyJ6oFK28j5hkUkxP7r51RXHN5+O90Ma43OTqQNVYw1f3tb1X45lnVNrY4MZ 4qB4dq2GCme6pGC8Q5fVhOEdwwWh661OtPaSLr9Ra2W0zzHM4byK2DLeFWPToYRm70+I 0w== Received: from nasanppmta03.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3tbgfv37v8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 26 Sep 2023 22:04:49 +0000 Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 38QM4miu006581 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 26 Sep 2023 22:04:48 GMT Received: from [10.110.53.84] (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.36; Tue, 26 Sep 2023 15:04:45 -0700 Message-ID: <7db6eaee-af6d-492a-bc7c-23c6aa6bbdf8@quicinc.com> Date: Tue, 26 Sep 2023 15:04:44 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 0/2] Avoid spurious freezer wakeups To: Carlos Llamas , Peter Zijlstra CC: Ingo Molnar , "Rafael J. Wysocki" , Pavel Machek , Thomas Gleixner , , , , , "Prakash Viswalingam" , Greg Kroah-Hartman , References: <20230908-avoid-spurious-freezer-wakeups-v4-0-6155aa3dafae@quicinc.com> <20230926200238.GB13828@noisy.programming.kicks-ass.net> Content-Language: en-US From: Elliot Berman In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: xtoe0jaJDYGL5l2tozlam7dUcuC-zwrx X-Proofpoint-ORIG-GUID: xtoe0jaJDYGL5l2tozlam7dUcuC-zwrx X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-09-26_15,2023-09-26_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 phishscore=0 impostorscore=0 bulkscore=0 mlxlogscore=793 mlxscore=0 spamscore=0 adultscore=0 priorityscore=1501 clxscore=1015 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2309260189 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org On 9/26/2023 1:56 PM, Carlos Llamas wrote: > On Tue, Sep 26, 2023 at 10:02:38PM +0200, Peter Zijlstra wrote: >> On Tue, Sep 26, 2023 at 04:17:33PM +0000, Carlos Llamas wrote: >>> >>> This issue is hurting the performance of our stable 6.1 releases. Does >>> it make sense to backport these patches into stable branches once they >>> land in mainline? I would assume we want to fix the perf regression >>> there too? >> >> Note that these patches are in tip/sched/core, slated for the next merge >> window. > > We can wait, no problem. I just wanted to make sure we also patch stable > if needed. Elliot, would you be able to send a backport of your patches > to stable once they land in mainline on the next merge window? Yep, happy to send it. There's a trivial conflict to resolve w/older kernels not having the new guard(...)(...) macros. > > Cc: Greg Kroah-Hartman > Cc: stable@vger.kernel.org > > -- > Carlos Llamas