Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755659Ab2FYTUO (ORCPT ); Mon, 25 Jun 2012 15:20:14 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:40474 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753178Ab2FYTUM (ORCPT ); Mon, 25 Jun 2012 15:20:12 -0400 Date: Mon, 25 Jun 2012 12:20:07 -0700 From: Greg KH To: Jan Beulich Cc: Kay Sievers , yuanhan.liu@linux.intel.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] syslog: fill buffer with more than a single message for SYSLOG_ACTION_READ Message-ID: <20120625192007.GA1005@kroah.com> References: <4FE4AD09020000780008B77F@nat28.tlf.novell.com> <4FE829CD020000780008B9DB@nat28.tlf.novell.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4FE829CD020000780008B9DB@nat28.tlf.novell.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1367 Lines: 30 On Mon, Jun 25, 2012 at 08:05:17AM +0100, Jan Beulich wrote: > >>> On 23.06.12 at 20:03, Kay Sievers wrote: > >> Furthermore, this patch also addresses the problem dealt with in > >> commit 4a77a5a06ec66ed05199b301e7c25f42f979afdc ("printk: use mutex > >> lock to stop syslog_seq from going wild"), so I'd recommend reverting > >> that one too (albeit there's no direct collision between the two). > > > > Are you sure that is covered? Doesn't the other thread would just > > return 0 to the caller then, instead of continuing to stay in the > > syscall when the first thread got the message? > > The old code permitted returning zero in that case too, so I don't > see why the new code shouldn't be allowed to. But anyway, as > said this patch doesn't directly conflict, and hence it's up to the > maintainer(s) of the code to decide whether to keep it. The > conflicting one, however, imo ought to be reverted in any case. Ok, so I'm confused, you want me to apply this patch and then revert a different one? Which one, 4a77a5a06ec66ed05199b301e7c25f42f979afdc? Kay, do you agree? thanks, greg k-h -- 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/