Re: [PATCH 6/6] futex: cleanup fault logic

[Darren Hart]

Peter Zijlstra wrote:
> On Thu, 2009-03-12 at 00:56 -0700, Darren Hart wrote:
> > Older versions of the futex code held the mmap_sem which had to be
> > dropped in order to call get_user(), so a two-pronged fault handling
> > mechanism was employed to handle faults of the atomic operations.  The
> > mmap_sem is no longer held, so get_user() should be adequate.  This patch
> > greatly simplifies the logic and improves legibility.
>
> Thanks!

And I should have added a credit to Peter to helping me untangle it all 
and decide how to proceed with this patch.  Thanks Peter.


--
Darren Hart
IBM Linux Technology Center
Real-Time Linux Team
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