Re: [PATCH] paravirt/locks: avoid modifying static key before jump_label_init()

[Dou Liyang]

Hi Juergen

At 10/27/2017 05:21 PM, Juergen Gross wrote:
> On 27/10/17 10:43, Ingo Molnar wrote:
> > * Juergen Gross <jgross@xxxxxxxx> wrote:
> >
> > > Don't try to set the static virt_spin_lock_key to a value before
> > > jump_label_init() has been called, as this will result in a WARN().
> > >
> > > Solve the problem by introducing a new lock_init() hook called after
> > > jump_label_init() instead of doing the call inside of
> > > smp_prepare_boot_cpu().
> > >
> > > Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> > > ---
> > > Based on kernel/git/tip/tip.git locking/core
> >
> > Just a quick ping: what's the conclusion of the discussion, do we want this patch
> > as-is?
>
> Dou Liyang (CC-ed) suggested another alternative he wanted to test. This
> would be much less intrusive. I can send a patch based on his idea in
> case he doesn't react in time: he basically suggested moving the call of

I am sorry I misunderstood your comments, I thought you were going to 
send a new version, So I said i will test it. ;-)

Now, I understood clearly. I will do it and send a patch for this bug.

Thanks,
	dou