From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 C118C339377; Sat, 3 Oct 2026 16:23:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791044640; cv=none; b=hJLRN5xqzbdJecqik/KCdtBz2/pVxJYTu+5QKJMLHErIna6HA5Iy+nmPPxq2lgdBVO+ZdRit15OU2HJ8WUWNYVV9wPxVXnRwEfGtR32rt6fDkPkd0oREQrdkUdN/9CL2z4iehYSz3e+D00D+4JuTZlUnFx3KFVYOkQIhGI8qHT4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791044640; c=relaxed/simple; bh=fCyj+yKFZ/zNUv75m/5gM/WMYwo4kn0fmfxbz9QYRxs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=TlIw0OsIqoHrrrlUiRZC9x0qmqE12fRAawmMTum5NlcDXDy55nw2Ua8mUhI366wHx9fwwfvbQUekwILLUjSVKzNw9lf6UrXW75jITYi1rPfydwKgos4tpShzDC8+WpREyV4gXu/P8vYIwarteDO1BzrH7uSz7Uzo72km5JNgfcc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Q3By/iIl; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Q3By/iIl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 397251F0089B; Sat, 3 Oct 2026 16:23:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791044639; bh=fCyj+yKFZ/zNUv75m/5gM/WMYwo4kn0fmfxbz9QYRxs=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=Q3By/iIl+wAWB6NlC2hxCvyxm5XSUpTLsrE928c+38kDsIt973GEHRqGftSTW6Ddr e7likP9QdpMWzP3a32sP5Ys9S3pTBCLNaE+uPpPM2M/6oy1/1YHSxqMCW77Ss38jU+ QqcSttsQE2TakfDeLZ75mcLnKYKfftys7qdNcKRJF9dO30fcfrbED40zQsKGOcM+hY SL9embAUhiKsPdhiut0AvYCKRP5c+mTIDkQ4VtrRbvps888kVvHlZMwEiDgqGEYTPR w+WppNHEK6Cps6GnRukkoPzlaewW6VQXMq9QBiBmb1Hcggc7ChDnHnKXjp5XYg3zHM J0gGzixokOomg== Date: Sat, 3 Oct 2026 17:23:53 +0100 From: "Lorenzo Stoakes (ARM)" To: Sasha Levin Cc: rppt@kernel.org, peterz@infradead.org, akpm@linux-foundation.org, david@kernel.org, mingo@redhat.com, acme@kernel.org, namhyung@kernel.org, linux-mm@kvack.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev, stable@vger.kernel.org, 4ncienth@gmail.com, alexander.motin@truenas.com, caleb.stjohn@truenas.com, ameer.hamza@truenas.com Subject: Re: [REGRESSION] secretmem: SIGBUS on memfd_secret() pages while perf record runs Message-ID: References: <20261002175651.811343-1-ameer.hamza@truenas.com> <2026-10-02-rc-reply-0003-re-secretmem-sigbus-perf@kernel.org> 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: On Sat, Oct 03, 2026 at 10:30:10AM -0400, Sasha Levin wrote: > On Sat, Oct 03, 2026 at 10:18:34AM +0100, Lorenzo Stoakes (ARM) wrote: > > It was sent late on Friday in a week that I was ill and it's Saturday > > pre-LPC, so that's hardly a timeframe that I could reasonably have replied. > > Keep in mind that our release cycles are fairly short, so this shouldn't be too > big of a deal? I mean the same argument could be made both ways :) > > We will generally go for the safe option of dropping a commit that introduces a > regression as it's fairly easy to queue it back up very soon after a > diagnosis/fix shows up. I think we'll have to agree to disagree about what was safe in this situation! Anyway, the commit is fine as-is, and fine to be queued. I am writing a patch for what seems to be the underlying issue which appears to be related to how perf accounts things. I guess I'm going to have to pack for LPC really late today :) -- Cheers, Lorenzo