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From: "Tobin C. Harding" <me@tobin.cc>
To: Anna-Maria Gleixner <anna-maria@linutronix.de>
Cc: Steven Rostedt <rostedt@goodmis.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	Kees Cook <keescook@chromium.org>, Theodore Ts'o <tytso@mit.edu>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Arnd Bergmann <arnd@arndb.de>,
	linux-kernel@vger.kernel.org,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH v6 0/4] enable early printing of hashed pointers
Date: Thu, 7 Jun 2018 09:29:43 +1000	[thread overview]
Message-ID: <20180606232943.GA21148@eros> (raw)
In-Reply-To: <alpine.DEB.2.20.1806061504130.2718@hypnos.tec.linutronix.de>

On Wed, Jun 06, 2018 at 03:08:25PM +0200, Anna-Maria Gleixner wrote:
> On Tue, 5 Jun 2018, Anna-Maria Gleixner wrote:
> 
> > On Thu, 31 May 2018, Steven Rostedt wrote:
> > 
> > > On Mon, 28 May 2018 11:46:38 +1000
> > > "Tobin C. Harding" <me@tobin.cc> wrote:
> > > 
> > > > Steve,
> > > 
> > > Hi Tobin,
> > > 
> > > Sorry for the late reply, I'm currently at a conference and have had
> > > little time to read email.
> > > 
> > > > 
> > > > Could you please take a quick squiz at the final 2 patches if you get a
> > > > chance.  I assumed we are in preemptible context during early_init based
> > > > on your code (and code comment) and called static_branch_disable()
> > > > directly if hw RNG returned keying material.  It's a pretty simple
> > > > change but I'd love to get someone else to check I've not noob'ed it.
> > > 
> > > I can take a look, and perhaps do some tests. But it was Anna-Maria
> > > that originally triggered the issue. She's on Cc, perhaps she can try
> > > this and see if it works.
> > 
> > I'll test it today - sorry for the delay.
> > 
> 
> I tested it with command line option enabled. This works early enough
> because it works right after early_trace_init().

Awesome, thanks Anna-Maria!

	Tobin

  reply	other threads:[~2018-06-06 23:29 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-28  1:46 [PATCH v6 0/4] enable early printing of hashed pointers Tobin C. Harding
2018-05-28  1:46 ` [PATCH v6 1/4] random: Fix whitespace pre random-bytes work Tobin C. Harding
2018-05-28  1:46 ` [PATCH v6 2/4] random: Return nbytes filled from hw RNG Tobin C. Harding
2018-05-28  1:46 ` [PATCH v6 3/4] vsprintf: Use hw RNG for ptr_key Tobin C. Harding
2018-05-31 20:46   ` Steven Rostedt
2018-05-28  1:46 ` [PATCH v6 4/4] vsprintf: Add command line option debug_boot_weak_hash Tobin C. Harding
2018-05-28 17:40   ` Randy Dunlap
2018-05-30  4:27     ` Tobin C. Harding
2018-05-31 21:35   ` Steven Rostedt
2018-05-31 22:46     ` Tobin C. Harding
2018-05-28 13:59 ` [PATCH v6 0/4] enable early printing of hashed pointers Theodore Y. Ts'o
2018-06-06 23:31   ` Tobin C. Harding
2018-06-07 14:00     ` Theodore Y. Ts'o
2018-06-07 21:36       ` Tobin C. Harding
2018-05-31 18:52 ` Steven Rostedt
2018-06-05 14:21   ` Anna-Maria Gleixner
2018-06-06 13:08     ` Anna-Maria Gleixner
2018-06-06 23:29       ` Tobin C. Harding [this message]
2018-06-06 13:02 ` Thomas Gleixner
2018-06-06 23:30   ` Tobin C. Harding

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