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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 6D98BC433DB for ; Wed, 10 Feb 2021 13:13:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3D98C64DD8 for ; Wed, 10 Feb 2021 13:13:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231445AbhBJNNL (ORCPT ); Wed, 10 Feb 2021 08:13:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231278AbhBJNNC (ORCPT ); Wed, 10 Feb 2021 08:13:02 -0500 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C9E2CC06174A for ; Wed, 10 Feb 2021 05:12:21 -0800 (PST) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1612962740; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=EOR6Op00R5qPfGO4dFo1mxtV8aaQR7ma4WLvzuHdwYY=; b=PVN1/hJqAQAagRCj8KCbuCNRzH09lF5iYH2faPP0lujj/m17AFB+r7bzCZimfg8eBWMoMX IAkc2i8orsnPgkBrkfpiqMgbvaJzTBElejC2LczANMqJye0+1qPM8Hmc264WsdBn2bmw2w vdJ/oXpIacCNY1zb8vv/mF3q18GgZT3HaFNBH5vt87kKLKsjUCMtwQa7VITfeaF4dkQYXh g1el8M1JgiTOBI8lklqACBfqkg8WdWKaPnCdKvygVLtnosWIOfVs9qms7Y+8tUjinwTuWo c838Op5YBJMuDWpwDsezc638Iy62TuSu8VCisl9KEMH0MXSbi/bOKZsvIDPEXw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1612962740; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=EOR6Op00R5qPfGO4dFo1mxtV8aaQR7ma4WLvzuHdwYY=; b=o2GaZ+xxj4fRzFNQgWyGKAJKMXaU/xrEEu0+kIp/dA9N4iCkdOG3dNWRZ8mxUXQNFwQ7U5 /Al1xtNr43xwC4Dg== To: Hikaru Nishida , linux-kernel@vger.kernel.org Cc: suleiman@google.com, Hikaru Nishida , Arnd Bergmann , Geert Uytterhoeven , Ingo Molnar , John Stultz , Kurt Kanzenbach , Linus Walleij , Stephen Boyd Subject: Re: [RFC PATCH 1/2] timekeeping: Add timekeeping_adjust_boottime In-Reply-To: <20210210193728.RFC.1.I123660cac7339e5b982ade27775a48b8ebbd9435@changeid> References: <20210210103908.1720658-1-hikalium@google.com> <20210210193728.RFC.1.I123660cac7339e5b982ade27775a48b8ebbd9435@changeid> Date: Wed, 10 Feb 2021 14:12:20 +0100 Message-ID: <87blcsawy3.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 10 2021 at 19:39, Hikaru Nishida wrote: > From: Hikaru Nishida > > This introduces timekeeping_adjust_boottime() to give an interface to > modules that enables to advance CLOCK_BOOTTIME from userspace for > virtualized environments. Later patch introduces a sysfs interface > which calls this function. Not going to happen. That's just wrong in several ways. The underlying problem of virt and timekeeping needs to be fixed not hacked around it. Thanks, tglx