linux-kernel - Re: [RFC][PATCH 07/12 v3] tracing: Have seq

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Message-ID: <20141110181113.GA1943@dhcp128.suse.cz>
Date:	Mon, 10 Nov 2014 19:11:14 +0100
From:	Petr Mladek <pmladek@...e.cz>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jiri Kosina <jkosina@...e.cz>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [RFC][PATCH 07/12 v3] tracing: Have seq_buf use full buffer

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)" <rostedt@...dmis.org>
> 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 <jkosina@...e.cz>
> Acked-by: Jiri Kosina <jkosina@...e.cz>
> Signed-off-by: Steven Rostedt <rostedt@...dmis.org>

Reviewed-by: Petr Mladek <pmladek@...e.cz>

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
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