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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: Steven Rostedt <rostedt@goodmis.org>,
	Timur Tabi <timur@kernel.org>, Petr Mladek <pmladek@suse.com>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	Matthew Wilcox <willy@infradead.org>,
	akpm@linux-foundation.org,
	Linus Torvalds <torvalds@linux-foundation.org>,
	roman.fietze@magna.com, Kees Cook <keescook@chromium.org>,
	John Ogness <john.ogness@linutronix.de>,
	akinobu.mita@gmail.com, glider@google.com,
	Andrey Konovalov <andreyknvl@google.com>,
	Marco Elver <elver@google.com>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	Pavel Machek <pavel@ucw.cz>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 0/3][RESEND] add support for never printing hashed addresses
Date: Wed, 10 Feb 2021 18:54:11 +0200	[thread overview]
Message-ID: <YCQPs9qg8dbSOh0S@smile.fi.intel.com> (raw)
In-Reply-To: <e996ff2f-d350-1399-bb6b-8373bf70e687@i-love.sakura.ne.jp>

On Thu, Feb 11, 2021 at 01:39:41AM +0900, Tetsuo Handa wrote:
> On 2021/02/11 1:18, Steven Rostedt wrote:
> > The point of this exercise is to be able to debug the *same* kernel that
> > someone is having issues with. And this is to facilitate that debugging.
> 
> That's too difficult to use. If a problem is not reproducible, we will have
> no choice but always specify "never hash pointers" command line option. If a
> problem is reproducible, we can rebuild that kernel with "never hash pointers"
> config option turned on.

I think what you are targeting is something like dynamic debug approach where
you can choose which prints to enable/disable and what enable/disable in them.

In that case you specifically apply a command line option and enable only files
/ lines in the files.

-- 
With Best Regards,
Andy Shevchenko



  parent reply	other threads:[~2021-02-10 16:59 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-10  5:18 [PATCH 0/3][RESEND] add support for never printing hashed addresses Timur Tabi
2021-02-10  5:18 ` [PATCH 1/3] lib/test_printf: use KSTM_MODULE_GLOBALS macro Timur Tabi
2021-02-10  5:21   ` Timur Tabi
2021-02-10 13:14   ` Petr Mladek
2021-02-10  5:18 ` [PATCH 2/3] kselftest: add support for skipped tests Timur Tabi
2021-02-10  9:09   ` kernel test robot
2021-02-10  9:09     ` kernel test robot
2021-02-10  5:18 ` [PATCH 3/3] lib/vsprintf: make-printk-non-secret printks all addresses as unhashed Timur Tabi
2021-02-10 11:03   ` Vlastimil Babka
2021-02-10 13:41   ` Petr Mladek
2021-02-10 17:27     ` Timur Tabi
2021-02-12 11:52       ` Petr Mladek
2021-02-10 11:11 ` [PATCH 0/3][RESEND] add support for never printing hashed addresses Marco Elver
2021-02-10 19:03   ` Timur Tabi
2021-02-10 11:47 ` Andy Shevchenko
2021-02-10 11:47   ` Andy Shevchenko
2021-02-10 16:57   ` Timur Tabi
2021-02-10 15:46 ` Tetsuo Handa
2021-02-10 16:18   ` Steven Rostedt
2021-02-10 16:39     ` Tetsuo Handa
2021-02-10 16:46       ` Steven Rostedt
2021-02-10 17:07         ` Tetsuo Handa
2021-02-10 17:29           ` Steven Rostedt
2021-02-10 17:21         ` Timur Tabi
2021-02-10 16:54       ` Andy Shevchenko [this message]
2021-02-10 17:41         ` Tetsuo Handa

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