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SubjectRe: percpu related boot crash on x86
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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