Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754792AbbGCLls (ORCPT ); Fri, 3 Jul 2015 07:41:48 -0400 Received: from sauhun.de ([89.238.76.85]:34883 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754747AbbGCLlm (ORCPT ); Fri, 3 Jul 2015 07:41:42 -0400 Date: Fri, 3 Jul 2015 13:41:29 +0200 From: Wolfram Sang To: Russell King - ARM Linux Cc: Simon Horman , Geert Uytterhoeven , Kevin Hilman , Tyler Baker , linux-sh@vger.kernel.org, Magnus Damm , linux-kernel@vger.kernel.org, Borislav Petkov , Thomas Gleixner , linux-arm-kernel@lists.infradead.org Subject: Re: Possible regression due to "tick: broadcast: Prevent livelock from event handler" Message-ID: <20150703114129.GA10368@katana> References: <20150703024044.GB24695@verge.net.au> <20150703105441.GF1521@katana> <20150703110249.GV7557@n2100.arm.linux.org.uk> <20150703110730.GG1521@katana> <20150703111358.GW7557@n2100.arm.linux.org.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="CE+1k2dSO48ffgeK" Content-Disposition: inline In-Reply-To: <20150703111358.GW7557@n2100.arm.linux.org.uk> 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 Content-Length: 1857 Lines: 53 --CE+1k2dSO48ffgeK Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jul 03, 2015 at 12:13:58PM +0100, Russell King - ARM Linux wrote: > On Fri, Jul 03, 2015 at 01:07:31PM +0200, Wolfram Sang wrote: > > > Please share your .config file for this case. Thanks. > >=20 > > Here it goes... >=20 > Please try: >=20 > sed -i s/IRQSOFF_TRACER/TRACE_IRQFLAGS/ arch/arm/kernel/entry-armv.S Yes, this fixes the lockdep issue with HRTIMERS. For completeness, it does not fix the freeze without HRTIMERS. Thanks Russell! Tested-by: Wolfram Sang --CE+1k2dSO48ffgeK Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJVlnTpAAoJEBQN5MwUoCm25hoP/2aWnaYWSvgZ7Wu78ns05ARX bvaKCtq550YZmwmBAiY/bapulbMHoU4qi6zpTFcntUCGaaaozNK9kaLWRx/Z2fjE 1GBa0mkbkesvgVoIAOUCxdiUYRVcgIQQkKWYT1W7ivpbv/cMe2tm4Ve9+LSlGeeP kJVhc2PU+A/+W+JzXJVA35x7zUJn4se4ihm6ltAtNOwv7G/cW5b41Koz8l5VZO+7 /cqb864sYJ7JTg3sU8I7628Oc7TjFJP4kMmVk/wDhJ8qAu/awYHn4etCo/QY6TzW q8VzLVIFa4BhF1V6AmYL8sL0SOfxkpd5aYgyDRkucDUhUkj/71jfum/yixxEVGcd T1XAeIHg0Oy/Bay6T0/bCPcqbO475eoYG+urksKgRPYiZYMKe+F9aW/IGiIlMtdy V7EdnP9m6l9GWCAhqwOM1wmlZLB6JhipQdUjKPoogvokPO20NVtbLOPqunCHj1iU 1RpozDxeWuw49G8pAexuDHFa1v3uK4wu3m1Tvr4X+AlR29nn1G5TZ7Y5CAP5iagl x2vDo4/00vA9vFCgj0IIWkHXelTV7x2qUhgF3s3YQy540QmI27uc+GlbMnhZdKtJ 4KmFF/qp7a27+yLHmnwyoL2Z1Be1NrUH7xTzIkZLBrhoUeMk6j0dUrOrKJnryyxJ 4pG+N6TBz+NO9UJURyF8 =/v9J -----END PGP SIGNATURE----- --CE+1k2dSO48ffgeK-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/