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 E9748145A07; Sun, 13 Oct 2024 15:00:20 +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=1728831621; cv=none; b=XS44UYLSGnLcAZ2B0C6actYdd7P7o0LW315IF4VccHUwlq9+o2tCqEot53ZOKrFZ1FIn06nY8Wh50TuTUOn68rIF1bGfXGDVRxHLX0Uv4+L2y0O+rRtykWQxxxgLSOEDU0hnyF8XF2jev+s0UjxGRXrd+H3WeRnSyq7D7QOEaO0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728831621; c=relaxed/simple; bh=oeWYAEUcd4WSXlgWqfX2kUJ0/1+J5uZulgzHfxS3sM4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=MF6Z+yzZhBJnP98sTS8UHxca9WOhm/M7d0O3GwUuUyYOO92/fCtiunioZynaG8qmo7h5J2nQQdqIPXcklOT95ICyXezFz5z0oWyPkfJkNTZgfBuluCVi/Pi+ykDX9bgPHXujsS1bGqLRnO1txox4vJ+ZRIrJ4fn7CM5StIiNTrU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=nrrmxv7i; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="nrrmxv7i" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99ED6C4CEC7; Sun, 13 Oct 2024 15:00:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1728831620; bh=oeWYAEUcd4WSXlgWqfX2kUJ0/1+J5uZulgzHfxS3sM4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=nrrmxv7isohxfktURheDOpWAib2r5E28LfrZYQDba1kppMn+rkKHYlUHHf2OoPsvI AMLAXAsyzqaR7bkdlXAvED1tc3AWUhR+csBN5MjnN6DNs4KoN3xztP4tiJr57sJoxA P4cQKcvBh8oEfr5WD1iBs/FOlBos4MRISpDzmep0= Date: Sun, 13 Oct 2024 17:00:15 +0200 From: Greg KH To: Dan Williams Cc: rafael.j.wysocki@intel.com, tj@kernel.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev Subject: Re: [PATCH v2] driver core: Fix userspace expectations of uevent_show() as a probe barrier Message-ID: <2024101356-gauntlet-sludge-7b76@gregkh> References: <172790598832.1168608.4519484276671503678.stgit@dwillia2-xfh.jf.intel.com> <67047c516045d_964fe294b1@dwillia2-xfh.jf.intel.com.notmuch> Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <67047c516045d_964fe294b1@dwillia2-xfh.jf.intel.com.notmuch> On Mon, Oct 07, 2024 at 05:26:57PM -0700, Dan Williams wrote: > Dan Williams wrote: > > Changes since v1 [1]: > > - Move the new "locked" infrastructure to private header files to make > > it clear it is not approved for general usage (Greg) > > Greg, per the 0day report and further testing I am missing something > subtle in using kernfs open files to pin device objects. So hold off on > this for now until I can get that root caused. If someone else can spot > what I missed feel free to chime in, but otherwise I will circle back. Ok, I'll drop this for now and wait for a follow-on patch to come for whatever you decide. thanks, greg k-h