From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751423AbaKJSLW (ORCPT ); Mon, 10 Nov 2014 13:11:22 -0500 Received: from cantor2.suse.de ([195.135.220.15]:48058 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751138AbaKJSLV (ORCPT ); Mon, 10 Nov 2014 13:11:21 -0500 Date: Mon, 10 Nov 2014 19:11:14 +0100 From: Petr Mladek To: Steven Rostedt Cc: linux-kernel@vger.kernel.org, Ingo Molnar , Andrew Morton , Jiri Kosina , "H. Peter Anvin" , Thomas Gleixner Subject: Re: [RFC][PATCH 07/12 v3] tracing: Have seq_buf use full buffer Message-ID: <20141110181113.GA1943@dhcp128.suse.cz> References: <20141104155237.228431433@goodmis.org> <20141104160222.502133196@goodmis.org> <20141105163150.GI4570@pathway.suse.cz> <20141105152130.09779ccf@gandalf.local.home> <20141105160618.6c684f23@gandalf.local.home> <20141106153107.GH2001@dhcp128.suse.cz> <20141106142402.0daada65@gandalf.local.home> <20141107091107.GA1136@dhcp128.suse.cz> <20141107133729.503c9b5d@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20141107133729.503c9b5d@gandalf.local.home> 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 On Fri 2014-11-07 13:37:29, Steven Rostedt wrote: > > Some more touch ups. > > -- Steve > > From 7e724556c21178a9890b31ff57f69761b41f435a Mon Sep 17 00:00:00 2001 > From: "Steven Rostedt (Red Hat)" > Date: Wed, 29 Oct 2014 15:26:09 -0400 > Subject: [PATCH] tracing: Have seq_buf use full buffer > > Currently seq_buf is full when all but one byte of the buffer is > filled. Change it so that the seq_buf is full when all of the > buffer is filled. > > Some of the functions would fill the buffer completely and report > everything was fine. This was inconsistent with the max of size - 1. > Changing this to be max of size makes all functions consistent. > > Link: http://lkml.kernel.org/r/20141104160222.502133196@goodmis.org > > Tested-by: Jiri Kosina > Acked-by: Jiri Kosina > Signed-off-by: Steven Rostedt Reviewed-by: Petr Mladek This patch might need a refresh if you add the extra buffer overflow check into seq_buf_set_overflow() in the 3rd patch. Anyway, changes in this patch looks good. I am happy with all the changes in the patchset. Thanks a lot for driving it forward. Best Regards, Petr