Re: [PATCH 2/2] lockdep: check that no locks held at freeze time

[Peter Zijlstra]

On Sun, May 05, 2013 at 11:18:44AM +0200, Ingo Molnar wrote:
> That's the old 32-bit x86 trick to compute 'current' from the kernel stack 
> pointer.
> 
> It can be done better - for example on platforms with optimized percpu 
> variables (x86-64) it looks like this:

Doesn't i386 have all the funny per-cpu stuff too? So the only reason it still
does the fugly stack based thing is because nobody could be arsed to do the
work of converting it.
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