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From: Steven Rostedt <rostedt@goodmis.org>
To: Timur Tabi <timur@kernel.org>
Cc: Kees Cook <keescook@chromium.org>,
	Matthew Wilcox <willy@infradead.org>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org, torvalds@linux-foundation.org,
	Petr Mladek <pmladek@suse.com>,
	roman.fietze@magna.com, John Ogness <john.ogness@linutronix.de>,
	linux-mm@kvack.org, Akinobu Mita <akinobu.mita@gmail.com>
Subject: Re: [PATCH 0/2] introduce DUMP_PREFIX_UNHASHED for hex dumps
Date: Tue, 19 Jan 2021 16:15:24 -0500	[thread overview]
Message-ID: <20210119161524.31c695d3@gandalf.local.home> (raw)
In-Reply-To: <184ab5eb-2508-0761-36c6-061d509fe104@kernel.org>

On Tue, 19 Jan 2021 14:49:17 -0600
Timur Tabi <timur@kernel.org> wrote:

> On 1/19/21 2:10 PM, Steven Rostedt wrote:
> > I'm curious, what is the result if you replaced %p with %pS?
> > 
> > That way you get a kallsyms offset version of the output, which could still
> > be very useful depending on what you are dumping.  
> 
> 	%pS	versatile_init+0x0/0x110
> 
> The address is question is often not related to any symbol, so it 
> wouldn't make sense to use %pS.

When it's not related to any symbol, doesn't it still produce an offset
with something close by, that could still give you information that's
better than a hashed number.

> 
> Maybe you meant %pK?  I'm okay with that instead of %px.

If others are OK with that, perhaps that should be the compromise then?

-- Steve

  reply	other threads:[~2021-01-19 21:17 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-16 22:09 [PATCH 0/2] introduce DUMP_PREFIX_UNHASHED for hex dumps Timur Tabi
2021-01-16 22:09 ` [PATCH 1/2] [v2] lib/hexdump: introduce DUMP_PREFIX_UNHASHED for unhashed addresses Timur Tabi
2021-01-18 10:03   ` Andy Shevchenko
2021-01-18 15:57     ` Timur Tabi
2021-01-18 17:14       ` Andy Shevchenko
2021-01-18 17:53         ` Timur Tabi
2021-01-16 22:09 ` [PATCH 2/2] mm/page_poison: use unhashed address in hexdump for check_poison_mem() Timur Tabi
2021-01-18 18:26 ` [PATCH 0/2] introduce DUMP_PREFIX_UNHASHED for hex dumps Matthew Wilcox
2021-01-18 19:03   ` Timur Tabi
2021-01-19  0:53     ` Sergey Senozhatsky
2021-01-19  1:47       ` Matthew Wilcox
2021-01-19 10:38         ` Sergey Senozhatsky
2021-01-19 19:45           ` Kees Cook
2021-01-26 16:47           ` Vlastimil Babka
2021-01-26 16:59             ` Timur Tabi
2021-01-26 17:14               ` Steven Rostedt
2021-01-26 17:14               ` Vlastimil Babka
2021-01-26 17:30                 ` Timur Tabi
2021-01-26 17:39                   ` Steven Rostedt
2021-01-26 17:40                     ` Steven Rostedt
2021-01-26 19:23                       ` John Ogness
2021-01-27  2:11                         ` Sergey Senozhatsky
2021-01-27  3:22                           ` Timur Tabi
2021-01-27 10:11                       ` Petr Mladek
2021-01-27 10:38                         ` Vlastimil Babka
2021-01-19 19:45         ` Kees Cook
2021-01-19 19:55           ` Timur Tabi
2021-01-19 20:10             ` Steven Rostedt
2021-01-19 20:49               ` Timur Tabi
2021-01-19 21:15                 ` Steven Rostedt [this message]
2021-01-19 21:25                   ` Timur Tabi
2021-01-20  9:19             ` Petr Mladek
2021-01-20 12:17               ` Matthew Wilcox
2021-01-20 19:39               ` Linus Torvalds
2021-01-19 20:18           ` Randy Dunlap
2021-01-20 20:28             ` Kees Cook
2021-01-19  2:30       ` Timur Tabi

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