Re: Hang on large copy_from_user with PREEMPT_NONE

[Ingo Molnar]

* Borislav Petkov <bp@xxxxxxxxx> wrote:

> On Tue, Apr 07, 2015 at 11:31:45AM +0200, Ingo Molnar wrote:
> > Would be nice to see the actual kernel .config, as there's a few
> > debug features that can slow things down significantly, such as
> > CONFIG_KMEMCHECK=y or in some cases CONFIG_DEBUG_PAGEALLOC=y.
> 
> He sent it here: https://lkml.kernel.org/r/55229D7E.6080309@xxxxxxxxxx
> 
> I'm attaching it again.

Thanks. Nothing particularly expensive stands out to me at a quick 
glance:-/

Thanks,

	Ingo
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