Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex

[Ingo Molnar]

* Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:

> Ingo Molnar wrote:
> > in 7 days that's about 7000 random bootups, 20% of which had TINY_SHMEM 
> > enabled, half 32-bit, half 64-bit x86. It did not blow up in any way 
> > that would have prevented the kernel from building its next random 
> > version from within itself and it did not produce any kernel messages 
> > with various random kernel debug, compile and boot options.
> 
> Does anything in that workload actually use shared memory?

yes, X and a couple of other things i assume. It's the same test setup 
that found the lockdep assert - and lockdep needs actual use of the 
affected facilities.

	Ingo
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