linux-kernel - Re: [PATCH v2 1/1] trace: Move readpos from seq_buf to trace

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Message-ID: <2023102012-pretense-agnostic-d377@gregkh>
Date:   Fri, 20 Oct 2023 07:05:24 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     Steven Rostedt <rostedt@...dmis.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: Re: [PATCH v2 1/1] trace: Move readpos from seq_buf to trace_seq

On Fri, Oct 20, 2023 at 04:35:45AM +0100, Matthew Wilcox (Oracle) wrote:
> To make seq_buf more lightweight as a string buf, move the readpos member
> from seq_buf to its container, trace_seq.  That puts the responsibility
> of maintaining the readpos entirely in the tracing code.  If some future
> users want to package up the readpos with a seq_buf, we can define a
> new struct then.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>