Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753186AbXKXGiw (ORCPT ); Sat, 24 Nov 2007 01:38:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751112AbXKXGio (ORCPT ); Sat, 24 Nov 2007 01:38:44 -0500 Received: from rhun.apana.org.au ([64.62.148.172]:3487 "EHLO arnor.apana.org.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751429AbXKXGin (ORCPT ); Sat, 24 Nov 2007 01:38:43 -0500 From: Herbert Xu To: agk@redhat.com (Alasdair G Kergon) Subject: Re: 2.6.24-rc2-mm1: kcryptd vs lockdep Cc: just.for.lkml@googlemail.com, mbroz@redhat.com, mingo@elte.hu, akpm@linux-foundation.org, linux-kernel@vger.kernel.org Organization: Core In-Reply-To: <20071124040324.GM24157@agk.fab.redhat.com> X-Newsgroups: apana.lists.os.linux.kernel User-Agent: tin/1.7.4-20040225 ("Benbecula") (UNIX) (Linux/2.6.17-rc4 (i686)) Message-Id: Date: Sat, 24 Nov 2007 14:38:16 +0800 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 790 Lines: 19 Alasdair G Kergon wrote: > Also io->pending may need better protection - atomic, but missing memory > barriers? (May be getting away without sometimes due to side-effects of > other function calls, but needs doing properly.) If it's using atomic_dec_and_test then that comes with an implicit memory barrier. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt - 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/