From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Yafang Shao <laoar.shao@gmail.com>
Cc: David Hildenbrand <david@redhat.com>,
Vlastimil Babka <vbabka@suse.cz>,
Miaohe Lin <linmiaohe@huawei.com>,
Christoph Lameter <cl@linux.com>,
penberg@kernel.org, David Rientjes <rientjes@google.com>,
iamjoonsoo.kim@lge.com, Andrew Morton <akpm@linux-foundation.org>,
Petr Mladek <pmladek@suse.com>,
Steven Rostedt <rostedt@goodmis.org>,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Linux MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Joe Perches <joe@perches.com>
Subject: Re: [PATCH v2 3/3] vsprintf: dump full information of page flags in pGp
Date: Mon, 1 Feb 2021 18:03:32 +0200 [thread overview]
Message-ID: <YBgmVDk5ECUiopCu@smile.fi.intel.com> (raw)
In-Reply-To: <CALOAHbAeU53py1yi7Dd-vrP6fJO1OMJXM4bVo0O3jc9iAY5UTA@mail.gmail.com>
On Mon, Feb 01, 2021 at 09:52:53PM +0800, Yafang Shao wrote:
> On Mon, Feb 1, 2021 at 9:34 PM Andy Shevchenko
> <andriy.shevchenko@linux.intel.com> wrote:
> > On Mon, Feb 01, 2021 at 02:23:33PM +0100, David Hildenbrand wrote:
> > > On 01.02.21 12:56, Yafang Shao wrote:
...
> > > Printing that in addition to the raw value could be helpful. Just some
> > > thoughts.
> >
> > printf() buffer is not a black hole, esp. when you get it messed with critical
> > messages (Oops). I suggest to reduce a burden as much as possible. If you wish
> > to get this, make it caller-configurable, i.e. adding another letter to the
> > specifier.
> >
>
> I think David's suggestion will help us to identify issues.
>
> You mean that we should use another one like "%pGpd" - means pGp debug
> - to implement it ?
Yes.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2021-02-01 16:05 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-01 11:56 [PATCH v2 0/3] mm, vsprintf: dump full information of page flags in pGp Yafang Shao
2021-02-01 11:56 ` [PATCH v2 1/3] mm, slub: use pGp to print page flags Yafang Shao
2021-02-01 11:56 ` [PATCH v2 2/3] mm, slub: don't combine pr_err with INFO Yafang Shao
2021-02-01 11:56 ` [PATCH v2 3/3] vsprintf: dump full information of page flags in pGp Yafang Shao
2021-02-01 13:05 ` Joe Perches
2021-02-01 13:27 ` Yafang Shao
2021-02-01 13:23 ` David Hildenbrand
2021-02-01 13:32 ` David Hildenbrand
2021-02-01 13:34 ` Andy Shevchenko
2021-02-01 13:52 ` Yafang Shao
2021-02-01 16:03 ` Andy Shevchenko [this message]
2021-02-01 13:27 ` Andy Shevchenko
2021-02-01 13:49 ` Yafang Shao
2021-02-01 16:16 ` Andy Shevchenko
2021-02-01 16:20 ` Andy Shevchenko
2021-02-02 13:25 ` Yafang Shao
2021-02-01 14:15 ` Matthew Wilcox
2021-02-01 14:44 ` Yafang Shao
2021-02-01 18:51 ` Joe Perches
2021-02-01 18:59 ` Matthew Wilcox
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