From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932179Ab2CEM5N (ORCPT ); Mon, 5 Mar 2012 07:57:13 -0500 Received: from e24smtp02.br.ibm.com ([32.104.18.86]:59122 "EHLO e24smtp02.br.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932152Ab2CEM5K (ORCPT ); Mon, 5 Mar 2012 07:57:10 -0500 Date: Mon, 5 Mar 2012 09:53:09 -0300 From: Rajiv Andrade To: Jiri Kosina Cc: Stefan Berger , linux-kernel@vger.kernel.org, Andrew Morton , tpmdd-devel@lists.sourceforge.net Subject: Re: [PATCH] tpm_tis: fix tis_lock with respect to RCU Message-ID: <20120305125309.GA2923@hardened-box.ibm.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12030512-2194-0000-0000-00000129E029 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 29 Feb 2012, Jiri Kosina wrote: > cleanup_tis() -> tpm_remove_hardware() -> syncrhonize_rcu() is being > called in an atomic context (tis_lock spinlock held), which is not > allowed. Convert tis_lock to mutex. > > Signed-off-by: Jiri Kosina Acked-by: Rajiv Andrade