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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,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 8A4E3C43441 for ; Tue, 13 Nov 2018 02:29:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 41A67223D0 for ; Tue, 13 Nov 2018 02:29:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YitoNKGJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 41A67223D0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com 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 S1730532AbeKMMZy (ORCPT ); Tue, 13 Nov 2018 07:25:54 -0500 Received: from mail-pg1-f196.google.com ([209.85.215.196]:34039 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726159AbeKMMZx (ORCPT ); Tue, 13 Nov 2018 07:25:53 -0500 Received: by mail-pg1-f196.google.com with SMTP id 17so4684517pgg.1 for ; Mon, 12 Nov 2018 18:29:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:cc:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding; bh=Ve4MS2kCazH7ZN/ZfN23igEHV6weSVjjpr/TJBjMl0I=; b=YitoNKGJ5zpAej6dJz/BfaOay/F+VZGDl1f4oOXWwq4T1FfMacQ5h3QbcKbdzAdBQc VeH686fOQMdUud6S+qBQglGspb7Zw2v+bv5kF8jk6T6UC98vaHu99BIGcbVt0pGCXy2f OJEoBGGvUjrZ4TddFO9vjpdwTqJFw8Zb51QXgKcsWRcAOLZQQjMQ5bJ7UKO7FSPwQtF5 q244ZOGsLNdtCW52N3F2pu1J4t+hybQOcjiM7NrwrjPfUHCNSOshenfKKGzff1TSGu0r rlqopFgwUZ3oxmMAytdgDBCeFABEE8SPW/VmnpJ6HWOLlIx+luoev+SFiEyi7YA0S9hD dgNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:cc:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=Ve4MS2kCazH7ZN/ZfN23igEHV6weSVjjpr/TJBjMl0I=; b=K9J19mDZWG91gR0hVgduJkCaTPzWEtMQN7Zw7FVz6D8C1N7X2JX4r2+8EuuwM1LuOS 1lx8gM7V/zVzS1Z83dEaeX9aLJ6p+oJwuoXBTykDIVC5F/eK8b6Zz0EDYexhtyNwPcct 6AzASxV2b5Sv4TOWoLUk2Ovy8Sv3adaZgzxS5RWBtCiKSh/DHdzjhaZtg6u4Uxxymopm bXDo23OI9uDl56BfZ0vKnf5CpEPjq4h+uzPznx4q5K71G+yw+8YUz2eWwnshgxAuTEq7 dURi/vM6oFkkaTXrCGtfDblFdT3GbGMeb02W5mdJedqedoatx9TTO6fB1afv8jBDsFKW qEKA== X-Gm-Message-State: AGRZ1gJ+CbymeD4T8kGHc7+GWKWDlQLZic4JjrlDI/3bA+aU+PRFJ+1U /W8fwEq/EskftrCc//80RHE= X-Google-Smtp-Source: AJdET5fllbiu6D3uj9Z/xlWFyVKfiYblnWbUUL7iK2+0UrrGA8P0cHSSqgAgLgcbWHaNryDAqFX8+A== X-Received: by 2002:a62:6181:: with SMTP id v123-v6mr3336399pfb.117.1542076196616; Mon, 12 Nov 2018 18:29:56 -0800 (PST) Received: from [192.168.1.101] (122-58-176-92-adsl.sparkbb.co.nz. [122.58.176.92]) by smtp.gmail.com with ESMTPSA id k38sm42620738pgb.33.2018.11.12.18.29.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 12 Nov 2018 18:29:55 -0800 (PST) Subject: Re: [RFC PATCH 06/13] m68k: Drop ARCH_USES_GETTIMEOFFSET To: Finn Thain , Geert Uytterhoeven References: <74edaee07800f91eb416ab3e72c4670b8ef4bd4e.1541995959.git.fthain@telegraphics.com.au> Cc: Arnd Bergmann , Stephen N Chivers , Thomas Gleixner , Daniel Lezcano , John Stultz , linux-m68k , Linux Kernel Mailing List , Philip Blundell , Joshua Thompson From: Michael Schmitz Message-ID: Date: Tue, 13 Nov 2018 15:29:46 +1300 User-Agent: Mozilla/5.0 (X11; Linux ppc; rv:45.0) Gecko/20100101 Icedove/45.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Finn, Am 12.11.2018 um 22:06 schrieb Finn Thain: > On Mon, 12 Nov 2018, Geert Uytterhoeven wrote: > >> Hi Finn, >> >> Thanks for your patch! >> >> On Mon, Nov 12, 2018 at 5:46 AM Finn Thain wrote: >>> The functions that implement arch_gettimeoffset are re-used by >>> new clocksource drivers in subsequent patches. >> >> Disabling this first affects functionality during bisection, right? >> > > It means that all platforms have to use the 'jiffies' clocksource. So all that happens is timer granularity drops to 10ms, then gets restored by the later patches? I doubt that would be a large enough regression to matter for bisection, but the way you reuse the arch_gettimeoffset() code for the new read_clock() functions makes reordering of this patch to the end of the series impossible. Best you can don, under the circumstances. Cheers, Michael