From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EEF214EE867 for ; Wed, 14 Oct 2026 13:04:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791983060; cv=none; b=AZxetWyPN/tuKpTf6TpIpJd29X82KZZYCHvGHzsZSO6vlEGcT79Rz332UFVsATnVRPrZlv4etqM14tqrg+T96I1Dg0gqCCvLPZDYMIXazOxYMK+D5ZaDq8LgC6EigI0qhArF8lFVadhNnnM1gIZf9emgEUadxcFr607OLKgI7Nk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791983060; c=relaxed/simple; bh=EgFi49r7gxfzkxMoWf7LhQFYjxHc9Hj0j2eSgaDANdo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Ux09cOqY74tUo1KAQZxxA1Ea2nHUB7nDGaSs3NC+yWDZhYxBgbayMP3AWJJO5diK3V9wNIJ8t3P/2zacRbOM8KVR5bbf3g/KLqGS8qBYNzfJUDE04exKjQZmQFeGSamkdhlidvA67eXvJNhPWwbYjWr2heLmvHQn9z7unV/Zo0o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=pass smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=e4u4K/nk; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="e4u4K/nk" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=h7KCGIIJyHUTbAqy6ZeCQb4TTOrAvtIZ+c2NzCIyooA=; b=e4u4K/nkfSdta/ZcCzlPmkRoSh lamC+2RvWUieK5VxJiyHpRLEDnfsdXoOwxu4Se8pv5KyW7BAmX9T2FsASfqDWkCZYwTZGqvHEDp6M OT9Jd+zUqL/34GhyyId7IxNCCS/yKdciG3LGIETpVwe1k4YVVqhlPfNu3FpD0TIkCxtbe/ahDGtyB JKwnbsB3Wfvw/Wc+a+KFxsL8KG3JWjPfoMn8A+IvjAihZ6aelWSyoBymoGR73RueDtheyMwgUSUf8 XifPejiutrjoo3iq8ggxrFOAO+Jx+ZDVb0jniTec+CO2GaGI3tP03FF8fV0Bwg9iRunXH10FgrP3W RAKaFoxA==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.99.5 #2 (Red Hat Linux)) id 1xGyeF-0000000Gmxr-15d8; Wed, 14 Oct 2026 13:03:59 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 19B53300890; Wed, 14 Oct 2026 15:03:58 +0200 (CEST) Date: Wed, 14 Oct 2026 15:03:58 +0200 From: Peter Zijlstra To: "Paul E. McKenney" Cc: K Prateek Nayak , Ingo Molnar , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , Joel Fernandes , linux-kernel@vger.kernel.org, kernel-team@meta.com Subject: Re: [PATCH] sched/core: Call wakeup_preempt() for queued tasks during class change Message-ID: <20261014130358.GL2009045@noisy.programming.kicks-ass.net> References: <8fa7f795-518c-4507-b684-60b0c1cac2c5@paulmck-laptop> <20261013152455.9039-1-kprateek.nayak@amd.com> <786f52b9-adef-4246-b83c-fc0081bbabba@paulmck-laptop> <44e3b645-b8d3-4812-930b-0112c05a9132@paulmck-laptop> <4abd0c29-efde-4e8b-a498-aea5a0fb788f@paulmck-laptop> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4abd0c29-efde-4e8b-a498-aea5a0fb788f@paulmck-laptop> On Wed, Oct 14, 2026 at 05:59:12AM -0700, Paul E. McKenney wrote: > On Tue, Oct 13, 2026 at 05:13:00PM -0700, Paul E. McKenney wrote: > > And the five hours of 200*TREE03 on x86 passed! Started a 12-hour run. > > > > So thus far, this patch has passed bit more than 1,000 hours on x86 and > > 18 hours on arm64. (Something about having access to quite a few more > > x86 boxes than arm64 boxes.) > > > > If it is still alive in the morning, Pacific Time, it will have more > > than earned itself a Tested-by. ;-) > > Tested-by: Paul E. McKenney > > Thank you all very much!!! > > For those into statistics, these test results give 99.9% confidence that > this patch reduced the bug rate by more than two orders of magnitude. ;-) W00t, ok, let me go queue this stuff!