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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 594E4EB64DB for ; Thu, 15 Jun 2023 09:23:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239250AbjFOJXG (ORCPT ); Thu, 15 Jun 2023 05:23:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56274 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237138AbjFOJWz (ORCPT ); Thu, 15 Jun 2023 05:22:55 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C87941709; Thu, 15 Jun 2023 02:22:54 -0700 (PDT) Date: Thu, 15 Jun 2023 11:22:52 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1686820973; 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=bSxhHbyD3ao3w+CWcCPXZAJxdSKQ4HoWIOdzGWXnOQ8=; b=v/6UfCoZCZRG2kkCpcG15QPL7Vwlzi4aInwU47T6uBKUW6WiT8qCs2MeBG5JNL3OevY6ni fwAIQDTyIz+IaCDHD3ZiSwXh6kYK6UqOqe7HV3MkyHzLvT0wL8YZudPb4Mtp6YpvyPTkhf us7vZOMkt2jnd9hPA1xEyWb9cIFCP4AfxV5QRXDHA6CbCXF5rqhaCgZ1qYPqB6IQUOx93o ieamadhSb1/1NTtaNbCr7hrwrDukbW6kMpJHVlksd6OILHSqoYPATLlWbaDhj3G/9kBEQC iROKMu708yuTJEOQ4fa4AmG8m+LOc3MNyNH2xhHp5f17X/pnYo3Qca2swRZZ9Q== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1686820973; 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=bSxhHbyD3ao3w+CWcCPXZAJxdSKQ4HoWIOdzGWXnOQ8=; b=0wPFoFohlwE8u2JzTQrR7XBmP7tFuiGARW34hEdGeyrbKHHahAYq5vsnhViAhlhost5Vck DLvHopP03Hx7t3CA== From: Sebastian Andrzej Siewior To: Mathias Krause Cc: Thomas Gleixner , Peter Zijlstra , linux-kernel@vger.kernel.org, Ingo Molnar , Gusenleitner Klaus , Frederic Weisbecker , stable@vger.kernel.org Subject: Re: [PATCH] timekeeping: Align tick_sched_timer() with the HZ tick. -- regression report Message-ID: <20230615092252.8ajVwMXB@linutronix.de> References: <20230406095735.0_14edn3@linutronix.de> <20230406105529.GB392176@hirez.programming.kicks-ass.net> <87mt3lqnde.ffs@tglx> <20230406150254.ZrawA2Y-@linutronix.de> <87jzypq6gq.ffs@tglx> <20230418122639.ikgfvu3f@linutronix.de> <5a56290d-806e-b9a5-f37c-f21958b5a8c0@grsecurity.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <5a56290d-806e-b9a5-f37c-f21958b5a8c0@grsecurity.net> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2023-06-14 00:59:46 [+0200], Mathias Krause wrote: > Hi Sebastian, Hi Mathias, > this change doesn't seem to achieve that goal, unfortunately. Quite the > opposite. It makes the (boot) clock run faster and, because of the per- > boot different offset, differently fast for each boot. Up to the point > where it's running too fast to make any progress at all. I meant to reply to this thread but took the other by accident. Sorry. This should be addressed by https://lore.kernel.org/20230615091830.RxMV2xf_@linutronix.de Thank you for the report. > Thanks, > Mathias Sebastian