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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 13874C43381 for ; Tue, 26 Feb 2019 17:50:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D8B9E2173C for ; Tue, 26 Feb 2019 17:50:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1551203426; bh=pbvwPAt09twopLvxuXWK0FH1zkDp8jRmVyZuPcqV8hw=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=MIv9+eZFEOkgp0S+nSOJ7lQckezt8/c9pLlkCHAKpy4oJvWlVDOJhob3VAbrvCIBr viZ/sivnF5lbslZFmgdc5/1MrYsZd1AUb09RGtDHM/hwwpFq9ul2IEBPLRFv0P3/O5 S8navbtZGN/DrKMpU0AJC4nl0VPLYQkdoE+BsuEk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728777AbfBZRuZ (ORCPT ); Tue, 26 Feb 2019 12:50:25 -0500 Received: from mail-ot1-f65.google.com ([209.85.210.65]:44462 "EHLO mail-ot1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727108AbfBZRuZ (ORCPT ); Tue, 26 Feb 2019 12:50:25 -0500 Received: by mail-ot1-f65.google.com with SMTP id g1so11805282otj.11; Tue, 26 Feb 2019 09:50:24 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=SXMHoA+e6KvFK4k3IVcJ2Rj0Ytz/58ELiPETz53e63M=; b=bTTu9sT+zT6+clbzGVCvIpiuP+e8HTlL9H/DK0OGfmxMm1lqz+Lxj6tzGwpq94i583 i0QsLsblyyCiKJ45aBrfEDW4caO0oODbTE/6/Yv50pgBvIzRidqesnPkqbv+M4c/V00v xm2/XIzTTMzFUCQ4C8jVqmT3C+6ImW+3DDr4uT3cRi8l2hNFEzdaFbXDDQfAwotQYWNB bvV8LFBdj1mVI92XOd6sOSMN/9YMpDHl7cfC0Pe7/iYSNP9nQKSYiFD1dBx9Z1tn/Cz9 +e8qLnIHITlBmYokMty3piLPtYZSlniFvI3sirLQM216/wd3uD2xhxT4Y1uTTKFiFgls D4XQ== X-Gm-Message-State: AHQUAubK1UtCY6Bngn+7DT6OEIY3d06n4fE8Jj/IPKbnwd07vccziWpF YA5oZOINbHWUxvDtaUDWGf45FvTLSjeIEDxmhtA= X-Google-Smtp-Source: AHgI3IYG36r78AFYK5oZRrsLFkV2c/ou8NID5EzMjerFlWJPEctH8vIVuNeNGfx3JUh0wvRfsffu/0p74gVb1DCFBrY= X-Received: by 2002:a9d:4e08:: with SMTP id p8mr10485755otf.124.1551203424194; Tue, 26 Feb 2019 09:50:24 -0800 (PST) MIME-Version: 1.0 References: <20190226145415.19411-1-ulf.hansson@linaro.org> In-Reply-To: <20190226145415.19411-1-ulf.hansson@linaro.org> From: "Rafael J. Wysocki" Date: Tue, 26 Feb 2019 18:50:13 +0100 Message-ID: Subject: Re: [PATCH v11 0/8] PM / Domains: Support hierarchical CPU arrangement (PSCI/ARM) To: Ulf Hansson Cc: "Rafael J . Wysocki" , Linux PM , Frederic Weisbecker , Thomas Gleixner , Sudeep Holla , Lorenzo Pieralisi , Mark Rutland , Daniel Lezcano , "Raju P . L . S . S . S . N" , Stephen Boyd , Tony Lindgren , Kevin Hilman , Lina Iyer , Viresh Kumar , Vincent Guittot , Geert Uytterhoeven , Linux ARM , linux-arm-msm , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Feb 26, 2019 at 3:55 PM Ulf Hansson wrote: > > Changes in v11: > - This version contains only the infrastructure changes that is needed for > deployment. The PSCI/ARM changes have also been updated and tested, but I will > post them separately. Still, to provide completeness, I have published a branch > containing everything to a git tree [1], feel free to have a look and test. > - The v10 series contained a patch, "timer: Export next wakeup time of a CPU", > which has been replaced by a couple of new patches, whom reworks the existing > tick_nohz_get_sleep_length() function, to provide the next timer expiration > instead of the duration. > - More changelogs are available per patch. NAK for patches [4-6/8]. The code as is specifically avoids calling ktime_get() from the governors as that can be quite expensive, so these patches potentially make things worse.