Re: 2.6.32.21 - uptime related crashes?

From: Peter Zijlstra
Date: Fri Jul 15 2011 - 04:31:35 EST


On Thu, 2011-07-14 at 17:35 -0700, john stultz wrote:
>
> Peter/Ingo: Can you take a look at the above and let me know if you find
> it too disagreeable?

I'm not quite sure of the calling conditions of set_cyc2ns_scale(), but
there's two sites in there that do:

+ local_irq_save(flags);

+ data = kmalloc(sizeof(*data), GFP_KERNEL);

+ local_irq_restore(flags);

Clearly that's not going to work well at all.
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