From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932105AbcJCJly (ORCPT ); Mon, 3 Oct 2016 05:41:54 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:50986 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752772AbcJCJlp (ORCPT ); Mon, 3 Oct 2016 05:41:45 -0400 Date: Mon, 3 Oct 2016 11:41:41 +0200 From: Pavel Machek To: Andrey Ryabinin Cc: Alexander Viro , Tejun Heo , "Rafael J. Wysocki" , Oleg Nesterov , linux-pm@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] coredump: fix unfreezable coredumping task Message-ID: <20161003094141.GB9131@amd> References: <1475225434-3753-1-git-send-email-aryabinin@virtuozzo.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="aM3YZ0Iwxop3KEKx" Content-Disposition: inline In-Reply-To: <1475225434-3753-1-git-send-email-aryabinin@virtuozzo.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --aM3YZ0Iwxop3KEKx Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri 2016-09-30 11:50:34, Andrey Ryabinin wrote: > It could be not possible to freeze coredumping task when it waits > for 'core_state->startup' completion, because threads are frozen > in get_signal() before they got a chance to complete 'core_state->startup= '. >=20 > Use freezer_do_not_count() to tell freezer to ignore coredumping > task while it waits for core_state->startup completion. >=20 > Signed-off-by: Andrey Ryabinin > Cc: stable@vger.kernel.org Acked-by: Pavel Machek --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --aM3YZ0Iwxop3KEKx Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlfyJ9UACgkQMOfwapXb+vLyJACgid8YNv4A2Ku2M20tEfF17B0x b8oAoIl11GnYHnRm+XvEjWPnAYMCMlO5 =0LK7 -----END PGP SIGNATURE----- --aM3YZ0Iwxop3KEKx--