linux-hardening - Re: [PATCH 0/1] Put seq

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Message-ID: <20231019171746.3da43332@gandalf.local.home>
Date: Thu, 19 Oct 2023 17:18:16 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc: Kees Cook <keescook@...omium.org>, Christoph Hellwig <hch@....de>,
 Justin Stitt <justinstitt@...gle.com>, linux-hardening@...r.kernel.org,
 linux-kernel@...r.kernel.org, Kent Overstreet <kent.overstreet@...ux.dev>,
 Petr Mladek <pmladek@...e.com>, Andy Shevchenko
 <andriy.shevchenko@...ux.intel.com>, Rasmus Villemoes
 <linux@...musvillemoes.dk>, Sergey Senozhatsky <senozhatsky@...omium.org>
Subject: Re: [PATCH 0/1] Put seq_buf on a diet

On Thu, 19 Oct 2023 17:14:39 -0400
Steven Rostedt <rostedt@...dmis.org> wrote:

> On Thu, 19 Oct 2023 20:45:13 +0100
> "Matthew Wilcox (Oracle)" <willy@...radead.org> wrote:
> 
> > Prompted by the recent mails on ksummit, let's actually try to make this
> > work this time.  We need a container for manipulating strings easily,
> > and seq_buf is the closest thing we have to it.  The only problem I have
> > with it is the readpos that is only useful for the tracing code today.
> > So move it from the seq_buf to the tracing code.
> > 
> > We should go further with this patch series, including using seq_buf
> > within vsprintf, but if we can't get over this hurdle first, I'm not
> > going to waste my time on this again.
> > 
> > Matthew Wilcox (Oracle) (1):
> >   trace: Move readpos from seq_buf to trace_seq
> > 
> >  include/linux/seq_buf.h   |  5 +----
> >  include/linux/trace_seq.h |  2 ++
> >  kernel/trace/trace.c      | 10 +++++-----
> >  kernel/trace/trace_seq.c  |  6 +++++-
> >  lib/seq_buf.c             | 13 +++++--------
> >  5 files changed, 18 insertions(+), 18 deletions(-)
> >   
> 
> Thanks Matthew, I'll pull this in and add it to my for-next queue (after
> testing)

Actually,

Can you resend it, and Cc: linux-trace-kernel@...r.kernel.org so that it
goes into patchwork.

Thanks!

-- Steve