Re: percpu related boot crash on x86

[Peter Zijlstra]

On Thu, 2011-01-20 at 10:31 +0200, Pekka Enberg wrote:
>    if (!irqs_disabled())
> 
> guard around the debugging code to make vfree() always work with IRQs 
> disabled. 

That won't be sufficient, __purge_vmap_area_lazy() needs to call
flush_tlb_kernel_range() occasionally.

There really is a good reason vmalloc()/vfree() don't work with
interrupts disabled.


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