linux-kernel - Re: [PATCH v2 03/28] vsprintf: %pf(%p)

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Message-ID: <YoaNfEwEWGhrJuSd@casper.infradead.org>
Date:   Thu, 19 May 2022 19:33:32 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Kent Overstreet <kent.overstreet@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...r.kernel.org,
        pmladek@...e.com, rostedt@...dmis.org, senozhatsky@...omium.org,
        andriy.shevchenko@...ux.intel.com
Subject: Re: [PATCH v2 03/28] vsprintf: %pf(%p)

On Thu, May 19, 2022 at 01:23:56PM -0400, Kent Overstreet wrote:
> +++ b/Documentation/core-api/printk-formats.rst
> @@ -625,6 +625,25 @@ Examples::
>  	%p4cc	Y10  little-endian (0x20303159)
>  	%p4cc	NV12 big-endian (0xb231564e)
>  
> +Calling a pretty printer function
> +---------------------------------
> +
> +::
> +
> +        %p(%p)     pretty printer function taking one argument
> +        %p(%p,%p)  pretty printer function taking two arguments

Needs to be updated to the %pf change.

> +        printf("%p(%p)", foo_to_text, foo);

Likewise

Reviewed-by: Matthew Wilcox (Oracle) <willy@...radead.org>