From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 0A1D123A9AE; Sat, 28 Feb 2026 15:01:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772290889; cv=none; b=IZRSUQKpeUf4zx6lSWLgPuBoV2d5YowR2Ay3e9zqU2HYmhGy21ZXyHSAGJ2Insl92varqYd+3IjH8Pm1RlSIHYRbvts80XZkOar9LQXM84mwjCHxI7cQs3fNxaZ8S+uaygBrnOsmkXnS5tYEZ5f8YvBfEKfmvjcWffdqOsU97es= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772290889; c=relaxed/simple; bh=WgvhXusiWSCMshLvz3aRAT17NUJJP4KXqCAcmuA7mOw=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=J3KDH4kZgR6BZjQMMkrWgxI7JABIPkiXWOOk3TMy3ZGZdL9mGbORLSeWiDnEXINLp8ki+oVIk8UM2+W/ArZU05YqDf77UID3qHxOoQ+iaO/kKvd/T01KQme9RhgS07BWcg8VpFymvT3AfgSliKjcmoLFMPHwkjBRIPpBWHIxDf8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=V/zGstQa; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="V/zGstQa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A53A1C19421; Sat, 28 Feb 2026 15:01:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772290888; bh=WgvhXusiWSCMshLvz3aRAT17NUJJP4KXqCAcmuA7mOw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=V/zGstQaUm/V1v0dHK/XAwXNQReVDy55PcYPmuyG4TKjdxhPpTkBGLmAtmDUrjxNw 2La1wa9mYYwa2q4f07CLN7ni6ION3YCvNIwE5xJupfpFFY3sWbFgSOHqVdF/8lJPPt mb4yIFwPMloZmfxtE2lbw3N+UtPnrhujU4GbQawRTKtbTSH7nammjGkNDkcLdNIJCN frIIap9spXv802z8IOb9kWNNRblNi/mDaykk7aiIx6pCgE8uMO+d2hFG3YL6S0AjZj GL14fBYkwdjcYgEAm6pg94fJvfb56DaCEtgTMvJ3nqN+dmDvRtob1vMLnescEbZxEY UB6ngT5TPhk8A== Received: from sofa.misterjones.org ([185.219.108.64] helo=lobster-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1vwLos-0000000EhfG-2t1r; Sat, 28 Feb 2026 15:01:26 +0000 Date: Sat, 28 Feb 2026 15:01:25 +0000 Message-ID: <87342kewu2.wl-maz@kernel.org> From: Marc Zyngier To: stable@vger.kernel.org Cc: stable-commits@vger.kernel.org, Catalin Marinas , Will Deacon Subject: Re: Patch "arm64: Force the use of CNTVCT_EL0 in __delay()" has been added to the 6.19-stable tree In-Reply-To: <20260228144352.927385-1-sashal@kernel.org> References: <20260228144352.927385-1-sashal@kernel.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: stable@vger.kernel.org, stable-commits@vger.kernel.org, catalin.marinas@arm.com, will@kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false On Sat, 28 Feb 2026 14:43:51 +0000, Sasha Levin wrote: > > This is a note to let you know that I've just added the patch titled > > arm64: Force the use of CNTVCT_EL0 in __delay() > > to the 6.19-stable tree which can be found at: > http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary > > The filename of the patch is: > arm64-force-the-use-of-cntvct_el0-in-__delay.patch > and it can be found in the queue-6.19 subdirectory. > > If you, or anyone else, feels it should not be added to the stable tree, > please let know about it. Please hold on with this one. It introduces a regression with DEBUG_PREEMPT that makes it worse than the bug it is trying to address. There is a fix for the fix that has *just* hit Linus' tree, but I'd like to make sure nobody screams before backporting both at the same time. Thanks, M. -- Jazz isn't dead. It just smells funny.