linux-hardening - [PATCH v2 0/1] Put seq

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Message-Id: <20231020033545.2587554-1-willy@infradead.org>
Date: Fri, 20 Oct 2023 04:35:44 +0100
From: "Matthew Wilcox (Oracle)" <willy@...radead.org>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: "Matthew Wilcox (Oracle)" <willy@...radead.org>,
	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>,
	linux-trace-kernel@...r.kernel.org
Subject: [PATCH v2 0/1] Put seq_buf on a diet

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.

v2:
 - Add linux-trace-kernel@...r.kernel.org
 - Fix kernel-doc

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             | 22 ++++++++++------------
 5 files changed, 23 insertions(+), 22 deletions(-)

-- 
2.40.1