Messages in this thread | | | Date | Tue, 25 Mar 2014 12:06:36 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: mm: slub: gpf in deactivate_slab |
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On Tue, 25 Mar 2014, Michal Hocko wrote:
> You are right. The function even does VM_BUG_ON(!irqs_disabled())... > Unfortunatelly we do not seem to have an _irq alternative of the bit > spinlock. > Not sure what to do about it. Christoph? > > Btw. it seems to go way back to 3.1 (1d07171c5e58e).
Well there is a preempt_enable() (bit_spin_lock) and a preempt_disable() bit_spin_unlock() within a piece of code where irqs are disabled.
Is that a problem? Has been there for a long time.
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