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=-4.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS 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 8845CC04EB9 for ; Mon, 3 Dec 2018 14:53:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4F97D20672 for ; Mon, 3 Dec 2018 14:53:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linaro.org header.i=@linaro.org header.b="iyXAAA+B" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4F97D20672 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 S1726664AbeLCOye (ORCPT ); Mon, 3 Dec 2018 09:54:34 -0500 Received: from mail-wr1-f66.google.com ([209.85.221.66]:35485 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725917AbeLCOye (ORCPT ); Mon, 3 Dec 2018 09:54:34 -0500 Received: by mail-wr1-f66.google.com with SMTP id 96so12513803wrb.2 for ; Mon, 03 Dec 2018 06:53:14 -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=gHkXpmuMJdjOAjc4qNljfTYLICAT4rbpxB36srapNC8=; b=iyXAAA+Byee5bNK1snzxlkbZ94zqB17eWM6OZCp09f0eUZdVe1PwczKyfIHUuhGWJI tUlIraO/Fj4vr84XwOPC3VJK1TX5+yhRdrf2nXRHXDGxDaG123+IqZFp2TXgbpFGsWWr KhOlQFUwqNXB3PjuV4F04ENN0nuS7/L2srwzI= 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=gHkXpmuMJdjOAjc4qNljfTYLICAT4rbpxB36srapNC8=; b=sRFl9u54c4OS02S+oxXhcXYb3t04FzzNE1Fi/MzWe3k+nyhMGR0RIaPAbZ9agztwQG gmgdL9p7mMDTvoAUd0IhKQkXyFRDuKpSZzldLrWZi1V7xqVqxNWFfrLc3Zkv6PrpHdmw 60jMuNmyVbZTmyQfIYeP5DcVzyDGBR6AJCrKUdGeMO7BN+6+wyMmeFNI+7H+QZGwfZ8i DXKQU2npBykgTEWbd+GPDT+mE4lueGFWS7pToUaLTjYLSRXmcA9eO31x3UiZcGBguMtp CnfJjgZthvUf/KHlSGcpaVxzEpQYV1RYN4BTJxKdxDFVyfJsHRVPpFQLYIJChF/sbmAY 0ygA== X-Gm-Message-State: AA+aEWYddqkrjM+KQgYCGYFeGVPoKlwYoZ+Eg5jnYLVBDLm4FtXQS+3d Iafbqn98z8RD2mKpPggyh5ntQa0GZVs= X-Google-Smtp-Source: AFSGD/WFGUhI1F3USVNxeona54w3FOkwB0WN3N669EgtrtqBLAGr3u9f7wD80ChsPf1ylYuzibmoug== X-Received: by 2002:adf:90e5:: with SMTP id i92mr13647338wri.210.1543848793596; Mon, 03 Dec 2018 06:53:13 -0800 (PST) Received: from [192.168.0.40] (sju31-1-78-210-255-2.fbx.proxad.net. [78.210.255.2]) by smtp.googlemail.com with ESMTPSA id w8sm17442803wrv.7.2018.12.03.06.53.12 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 03 Dec 2018 06:53:12 -0800 (PST) Subject: Re: [PATCH] clocksource: riscv_timer: Provide sched_clock To: Anup Patel Cc: Thomas Gleixner , Palmer Dabbelt , Albert Ou , Atish Patra , Christoph Hellwig , linux-riscv@lists.infradead.org, "linux-kernel@vger.kernel.org List" References: <20181203123524.11778-1-anup@brainfault.org> From: Daniel Lezcano Message-ID: <63f67f2b-9e17-78e6-beb5-65d32ff2f85c@linaro.org> Date: Mon, 3 Dec 2018 15:53:11 +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 On 03/12/2018 15:50, Anup Patel wrote: > On Mon, Dec 3, 2018 at 6:29 PM Daniel Lezcano wrote: >> >> On 03/12/2018 13:35, Anup Patel wrote: >>> Currently, we don't have a sched_clock registered for RISC-V systems. >>> This means Linux time keeping will use jiffies (running at HZ) as the >>> default sched_clock. >>> >>> To avoid this, we explicity provide sched_clock using RISC-V rdtime >>> instruction (similar to riscv_timer clocksource). >>> >>> Signed-off-by: Anup Patel >> >> Hi Anup, >> >> the GENERIC_SCHED_CLOCK dependency in the Kconfig is missing. > > Sure, will do. > > I also have another patch to select GENERIC_SCHED_CLOCK > for CONFIG_RISCV. Should I squash that patch with this patch?? I prefer the riscv config option to be merged via the riscv tree. -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog