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=-6.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,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 B40CFC43441 for ; Mon, 19 Nov 2018 09:58:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7FE3020871 for ; Mon, 19 Nov 2018 09:58:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linaro.org header.i=@linaro.org header.b="L1IHAbeX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7FE3020871 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727670AbeKSUVv (ORCPT ); Mon, 19 Nov 2018 15:21:51 -0500 Received: from mail-wr1-f66.google.com ([209.85.221.66]:46344 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727084AbeKSUVu (ORCPT ); Mon, 19 Nov 2018 15:21:50 -0500 Received: by mail-wr1-f66.google.com with SMTP id l9so18412217wrt.13 for ; Mon, 19 Nov 2018 01:58:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=+CcwNZHlu+n9v8HXDa3SYL/8n8ZY1HFXMZUsKLSChtc=; b=L1IHAbeXMcOq3bfJv5daTHWcujuJ/If8bDSc/reW+JNGYJFK1CwztVu6yXGdDIuZAS P8RFWniKTIif8ve6CEaYfYYv0UFsGVmUeS7WwhXPeol6x/0z/PkShipx0AzAIv1VhKLH MjU+Hv+78AWmMH3pOYh8uiud1ycIzZJPBlXu8= 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=+CcwNZHlu+n9v8HXDa3SYL/8n8ZY1HFXMZUsKLSChtc=; b=TaEd/k28gdTx3Jx0j2jhV58io0Oau6Tpm5kj4Er2jncI/4ZdEtMJzj+vnUSeDR+tZl CquU06FFkcaFO1ofxyYVlXbtFR+qrTXHRKcfeFtM3RxpwFAVpPlKXvsWXoP4XwTW1ztp WYLCaVn+pqYLt7WgBfljs9FrLrbG6cxNCzkLXc5l6sH1r1p744v+pPoNfCVHvToGfM27 ZdOYNLULhrt1mGBqZAA4Uvy+eXcrkYKXMHJt0MNXjxfqdj0bOWiXyGSM9E7+iXPmE8Zw FGxt5aYLpXfVguwXfoKqcMqXh4mPIsQEE/kO+iqyY1uAM2l+HhdxsJTxhOUi2iXWNWPv N4ig== X-Gm-Message-State: AGRZ1gI87Y6UGomJSSqaib3CMs0o2oKs0D8ej1mfoMEVbxtDHUBS06Zq wcNXr2hR3x5UB6mUnZiVvLREEw== X-Google-Smtp-Source: AJdET5fEryQnsr4HYHcVQBITvl+Sd3SYUoPrpxauXZ7V7TCo44lEpsWFn5+tSPfhzATGOXCpc+29lA== X-Received: by 2002:adf:e28c:: with SMTP id v12-v6mr17058679wri.26.1542621521519; Mon, 19 Nov 2018 01:58:41 -0800 (PST) Received: from [192.168.0.40] (51.223.136.77.rev.sfr.net. [77.136.223.51]) by smtp.googlemail.com with ESMTPSA id e66-v6sm65085934wmf.40.2018.11.19.01.58.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 19 Nov 2018 01:58:40 -0800 (PST) Subject: Re: [PATCH v2] clocksource/drivers/arc_timer: Utilize generic sched_clock To: Alexey Brodkin Cc: "tglx@linutronix.de" , "linux-kernel@vger.kernel.org" , "vineet.gupta1@synopsys.com" , "linux-snps-arc@lists.infradead.org" References: <20181017113020.7551-1-abrodkin@synopsys.com> <78ccbb4c-56d0-594b-4032-3eb19202847b@linaro.org> <2c46ab6e-f0a9-4857-9772-f3c714284e98@linaro.org> <40ada5b3-5824-51fd-501f-ef363f162047@linaro.org> From: Daniel Lezcano Message-ID: <6bb98a9c-899e-ee9c-d630-da07382c1c16@linaro.org> Date: Mon, 19 Nov 2018 10:58:39 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Alexey, On 19/11/2018 10:55, Alexey Brodkin wrote: > Hi Daniel, [ ... ] >>> In that case do I understand correctly that we may enable GENERIC_SCHED_CLOCK >>> for ARC even before proposed change for arc_timer.c gets merged - i.e. with no >>> special GENERIC_SCHED_CLOCK driver we'll safely fall-back to jiffie-based >>> sched clock which we anyways use now when GENERIC_SCHED_CLOCK is disabled, right? >> >> The ARC's Kconfig part does not apply on tip/timers/core. > > May I have a reference to that tree so I may check what gets in the way there > and then I'll just move "select GENERIC_SCHED_CLOCK" a bit below so there're no > clashes any longer. sure, here it is: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/log/?h=timers/core -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog