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From: Petr Mladek <pmladek@suse.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
	Thierry Escande <thierry.escande@linaro.org>,
	David Miller <davem@davemloft.net>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	"Tobin C . Harding" <me@tobin.cc>,
	linux-kernel@vger.kernel.org,
	Andy Shevchenko <andy.shevchenko@gmail.com>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH RESEND] lib/test_printf.c: call wait_for_random_bytes() before plain %p tests
Date: Mon, 25 Jun 2018 09:50:20 +0200	[thread overview]
Message-ID: <20180625075020.xcb6jqup3dhq2agf@pathway.suse.cz> (raw)
In-Reply-To: <a2f0729c-593e-b747-a22f-6468ea88882e@linaro.org>

On Fri 2018-06-22 23:50:20, Thierry Escande wrote:
> On 22/06/2018 22:53, Steven Rostedt wrote:
> > On Thu, Jun 07, 2018 at 02:24:34PM +0200, Petr Mladek wrote:
> > > On Mon 2018-06-04 13:37:08, Thierry Escande wrote:
> > > > If the test_printf module is loaded before the crng is initialized, the
> > > > plain 'p' tests will fail because the printed address will not be hashed
> > > > and the buffer will contain '(ptrval)' instead.
> > > > This patch adds a call to wait_for_random_bytes() before plain 'p' tests
> > > > to make sure the crng is initialized.
> > > 
> > > Hmm, my system did not boot with this patch and
> > > CONFIG_TEST_PRINTF=y
> > 
> > And neither does my test box. It killed my tests I was running, as one of the
> > configs I test has this set.
> > 
> > It appears that Andrew pulled it in and sent it to Linus, as it is in
> > 4.18-rc1, and I need to now revert this patch to make my tests work.
> 
> This patch has been superseded with a v2 and a v3 pushed into Petr
> printk.git tree (https://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk.git/commit/?h=for-4.19&id=ce041c43f22298485122bab15c14d062383fbc67).
> Sorry for the mess...

Andrew,

should I send the revert and the better fix to Linus or would you like
to do so?

Best Regards,
Petr

  reply	other threads:[~2018-06-25  7:50 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-04 11:37 Thierry Escande
2018-06-05 12:43 ` Andy Shevchenko
2018-06-07 12:24 ` Petr Mladek
2018-06-07 18:47   ` Thierry Escande
2018-06-08  8:04     ` Petr Mladek
2018-06-08  9:07       ` Thierry Escande
2018-06-08  9:46         ` Andy Shevchenko
2018-06-08 10:32           ` Thierry Escande
2018-06-08 11:22             ` Petr Mladek
2018-06-08 11:28               ` Thierry Escande
2018-06-22 20:53   ` Steven Rostedt
2018-06-22 21:50     ` Thierry Escande
2018-06-25  7:50       ` Petr Mladek [this message]
2018-06-25 12:04         ` Petr Mladek

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