[PATCH] hwspinlock/core: Kernel panic when enable DEBUG_SPINLOCK_SLEEP config.

steve.zhan zhanzhenbo at gmail.com
Thu Dec 20 09:02:04 EST 2012


Hi, Ohad,
             Thank you. The kernel version is
3.4.-rc6(android-3.4-compat  kernel version). I have
checkout 93b465c2e186d96fb90012ba0f9372eb9952e732 and that is  good
solution using mutex protect these interface.


steve.


2012/12/20 Ohad Ben-Cohen <ohad at wizery.com>

> Hello Steve,
>
> On Thu, Dec 20, 2012 at 2:44 PM, steve.zhan <zhanzhenbo at gmail.com> wrote:
> >                 When enable this config to check kernel, kernel will
> > complain panic at slab.c(kmem_cache_alloc function): "BUG: sleeping
> function
> > called from invalid context".
>
> Which kernel version are you using ?
>
> Specifically, do you have commit
> 93b465c2e186d96fb90012ba0f9372eb9952e732 "hwspinlock/core: use a mutex
> to protect the radix tree" ?
>
> Thanks,
> Ohad.
>



-- 
Steve Zhan
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