Re: [PATCH v6 0/4] enable early printing of hashed pointers

Tobin C. Harding
2018-06-06T23:29:53Z

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