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Message-ID: <20191007081411.fyvbvnjbvmpi4nla@pathway.suse.cz>
Date: Mon, 7 Oct 2019 10:14:11 +0200
From: Petr Mladek <pmladek@...e.com>
To: akpm@...ux-foundation.org
Cc: andy.shevchenko@...il.com, sergey.senozhatsky.work@...il.com,
hughd@...gle.com, uwe@...ine-koenig.org,
jani.nikula@...ux.intel.com, corbet@....net,
mike.kravetz@...cle.com, joe@...ches.com, linux@...musvillemoes.dk,
aarcange@...hat.com, pavel@....cz, linux-kernel@...r.kernel.org,
mm-commits@...r.kernel.org
Subject: Re: + printf-add-support-for-printing-symbolic-error-codes.patch
added to -mm tree
Hi Andrew,
On Sat 2019-10-05 14:52:00, Andrew Morton wrote:
>
> The patch titled
> Subject: vsprintf: add support for printing symbolic error codes
> has been added to the -mm tree. Its filename is
> printf-add-support-for-printing-symbolic-error-codes.patch
The patch is still under discussion. AFAIK, Rasmus is working on v4.
The main points are:
+ Rename the ambiguous "errcode" to "errname".
+ Introduce "%pe" instead of enhancing plain %p. First, the plain %p
has become almost useless (hashing) on purpose (avoid leaking
addresses). Second, we need something that will be explicitly
used to print error codes.
+ Plus there are few more cosmetic issues.
I planed to take the patch via printk.git once ready.
Best Regards,
Petr
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