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 07ECA84A2F for ; Mon, 16 Dec 2024 14:59:14 +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=1734361155; cv=none; b=PTLrAue0qCy0bZWl80NPCPkuaT3PK5IDKLH6R6wWkWBtShm8Ns7hUX1f/RbdMGUwNm9PwpAd5qESibyxOMl7lW914GnNamJmnlKLcXv6KuWyVf69TkbYWMljTau7fzLYLnDzfrbv/eqYmaoS9po/hICNcecyf6kC9X/fndBMGdo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734361155; c=relaxed/simple; bh=CnvCaWfgDwIgWkQpCmUclLH+JSJGlMt1flV6kcuDogg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Aae3712Kos+/vDftVvDqUqgoy5q4Qy1+SeBZ2y9+wA03sJShX++w9/8EbtnAtlnM1l98qpX+y9IeVhXWlLNvPvzABJgMno/Hkm4Z01ZfHhkZhhQ3vNApFIZTSbn9um4Lgbi+Uh4T45Y/MWm4ITZoyqlYzAOXeDZWZ6OoRpAOq1U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tpUw+ffu; 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="tpUw+ffu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 194C5C4CED0; Mon, 16 Dec 2024 14:59:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1734361154; bh=CnvCaWfgDwIgWkQpCmUclLH+JSJGlMt1flV6kcuDogg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=tpUw+ffutRGge33RcZNfYtcrP4tvXIGpc2EocSBMRUa3L0AKfWgSvhR4xUJuAjG2L JYuVLSdn4gSFYNJ+hVPasm9euCexo1DmxJet8DCJEn7/FboftWcrwgogu5WsUBwmP7 UmG3dh8jisxi6QzFn/u9yS8pYU6MAVpw0wpeNW615w175U8G3dQYEgztV8KASfe1QH aM5eDBV7FtIOk5Nq8zZv50Ye+NJAvVaJ5l0y2UjbCmFjwAuYqu04x9Ay8J41ZKE1/A fye1EBBDzjFEVlXLnuAUc5MQ4mADgp4Ug7mr8K+I0UjoLsviGbBY630gMhoaLeG2+/ zKZ448pI4jznQ== Date: Mon, 16 Dec 2024 09:59:12 -0500 From: Sasha Levin To: Mark Rutland Cc: Catalin Marinas , Linus Torvalds , Will Deacon , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [GIT PULL] arm64 fixes for 6.13-rc3 Message-ID: References: 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; format=flowed Content-Disposition: inline In-Reply-To: On Mon, Dec 16, 2024 at 10:02:34AM +0000, Mark Rutland wrote: >On Sun, Dec 15, 2024 at 12:06:19PM -0500, Sasha Levin wrote: >> On Fri, Dec 13, 2024 at 05:41:38PM +0000, Catalin Marinas wrote: >> > - arm64 stacktrace: address some fallout from the recent changes to >> > unwinding across exception boundaries >> >> Hi Catalin, Mark, >> >> It seems that kselftests can hit a warning that was addressed in the >> commit above: > >I assume you're referring to commit: > > 32ed1205682ec42a ("arm64: stacktrace: Skip reporting LR at exception boundaries") > >... ? I was actually thinking 65ac33bed8b9 ("arm64: stacktrace: Don't WARN when unwinding other tasks"), sorry for the confusion >That was intended to fix this specific issue, as explained in the commit >message (with a very similar splat from running the ftrace kselftests). > >Am I missing something? i.e. are you saying it *doesn't* fix that? Right - LKFT is able to trigger the warning I copied on Linus's tree. -- Thanks, Sasha