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 DC892188CAA; Mon, 15 Jul 2024 10:44:32 +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=1721040273; cv=none; b=s3aBtw0VvtA1DWq7xLr4VxQ9MEIE+VHCRHG8rsD4TB44jFakBpd3MzKmscU3K3LZdL5q99vVft33zhAK7gicIWa13faYDBbK3a3f0snFtqY6W1LXJvAUi32I6T5kmv2xHzs6JkJs9/kpNf87W+U1mkTiTkkpH1Ny9V6rlNM1378= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721040273; c=relaxed/simple; bh=qjFAZY1TTcGe900zXq1VkHGLbTW98p+MUxrVFTknqq4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=m/GrX24r2UpNye8dkQLp04WvWtQjjHwAtjVKl6of10gqzRILwI7RqFIPQwkUbTU9jRt5b/B8aTTvmzZ/OUmWE6ooWakoXyLDUxpOmr4So05vmYNAxM+40yFVfQ0yaG2CPVAWU49G3D5lTrnApi6cn35FKZD0XkeCPYofz7ytwC0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XiW8H97+; 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="XiW8H97+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id ED097C4AF0A; Mon, 15 Jul 2024 10:44:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721040272; bh=qjFAZY1TTcGe900zXq1VkHGLbTW98p+MUxrVFTknqq4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XiW8H97+/eUyQO+UirmD78Ytqi8hv41ikvZ/lRqPVrvsKGRJpmKBDpv7gODXez81v NYSZ03aO/OSBjvEUO/0wcXQ7EDjF1gmscX2i10nV9iJyOG57066pE8tryVuQtirGCG 8oiWAyi13BMixYOUgmAhiGrIirgJpEsfPCkEJsqP4ZNuBRoOfd59zHR7BIVcztAxiG Fu+uahU+DmSr+BAvrK3x9H1OdA3q/Pd0qIv1dJH9LvN18p7YusOeHc7PzHWfMMbcLC dUTVoyMxJymyuZcArZSovYp59RdSlMj/H3q5Hbqx3yzVqGp/HrNIn4907zBIL/10DS 9WUX+4Dh67vrA== Date: Mon, 15 Jul 2024 12:44:29 +0200 From: Frederic Weisbecker To: Jon Hunter Cc: Alexander Stein , Thomas Gleixner , linux-kernel@vger.kernel.org, Anna-Maria Behnsen , "linux-tegra@vger.kernel.org" Subject: Re: [PATCH v4 2/8] timers/migration: Move hierarchy setup into cpuhotplug prepare callback Message-ID: References: <20240701-tmigr-fixes-v3-2-25cd5de318fb@linutronix.de> <20240703202839.8921-1-anna-maria@linutronix.de> <3580126.iIbC2pHGDl@steina-w> <4f24a2f1-0f6a-4ad4-97e3-398cd9981127@nvidia.com> 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=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4f24a2f1-0f6a-4ad4-97e3-398cd9981127@nvidia.com> Hi, Le Mon, Jul 15, 2024 at 11:39:40AM +0100, Jon Hunter a écrit : > > On 11/07/2024 09:56, Alexander Stein wrote: > > Hi, > > > > Am Mittwoch, 3. Juli 2024, 22:28:39 CEST schrieb Anna-Maria Behnsen: > > > When a CPU comes online the first time, it is possible that a new top level > > > group will be created. In general all propagation is done from the bottom > > > to top. This minimizes complexity and prevents possible races. But when a > > > new top level group is created, the formely top level group needs to be > > > connected to the new level. This is the only time, when the direction to > > > propagate changes is changed: the changes are propagated from top (new top > > > level group) to bottom (formerly top level group). > > > > Now that this commit is integrated in linux-next I'm starting to see the > > kernel error message: > > > Timer migration setup failed > > on my arm64 i.MX8MP platform (imx8mp-tqma8mpql-mba8mpxl.dts). > > > I am also seeing the same on our 32-bit and 64-bit ARM Tegra boards. > > Any feedback on this? The patches have been reverted on -tip (still in -next?) and Anna-Maria is working on a new version. Thanks! > > Thanks > Jon > > -- > nvpublic