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Date:   Mon, 14 Feb 2022 12:18:26 +0200
From:   Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To:     Miguel Ojeda <ojeda@kernel.org>
Cc:     Linus Torvalds <torvalds@linux-foundation.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org,
        Gary Guo <gary@garyguo.net>,
        Alex Gaynor <alex.gaynor@gmail.com>,
        Wedson Almeida Filho <wedsonaf@google.com>,
        Petr Mladek <pmladek@suse.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Sergey Senozhatsky <senozhatsky@chromium.org>,
        Rasmus Villemoes <linux@rasmusvillemoes.dk>
Subject: Re: [PATCH v4 12/20] vsprintf: add new `%pA` format specifier
Message-ID: <YgosclY9ebD3t020@smile.fi.intel.com>
References: <20220212130410.6901-1-ojeda@kernel.org>
 <20220212130410.6901-13-ojeda@kernel.org>
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On Sat, Feb 12, 2022 at 02:03:38PM +0100, Miguel Ojeda wrote:

> From: Gary Guo <gary@garyguo.net>

Not sure I understand this...

> This patch adds a format specifier `%pA` to `vsprintf` which formats
> a pointer as `core::fmt::Arguments`. Doing so allows us to directly
> format to the internal buffer of `printf`, so we do not have to use
> a temporary buffer on the stack to pre-assemble the message on
> the Rust side.
> 
> This specifier is intended only to be used from Rust and not for C, so
> `checkpatch.pl` is intentionally unchanged to catch any misuse.
> 
> Co-developed-by: Alex Gaynor <alex.gaynor@gmail.com>
> Signed-off-by: Alex Gaynor <alex.gaynor@gmail.com>
> Co-developed-by: Wedson Almeida Filho <wedsonaf@google.com>
> Signed-off-by: Wedson Almeida Filho <wedsonaf@google.com>

> Signed-off-by: Gary Guo <gary@garyguo.net>

...together with this in the current SoB chain.

> Co-developed-by: Miguel Ojeda <ojeda@kernel.org>
> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

I'm wondering if you considered to use %pV.

-- 
With Best Regards,
Andy Shevchenko