Re: [PATCH] 4/4 i_mmap_lock spinlock2rwsem (#v9 was 1/4)

Christoph Lameter
2008-03-07T20:04:18Z

On Fri, 7 Mar 2008, Andrea Arcangeli wrote:

> I didn't look into this but it shows how it would be risky to make
> this change in .25. It's a bit strange that the bugcheck triggers

Yes this was never intended for .25. I think we need to split this into a
copule of patches. One needs to get rid of the spinlock dropping, then one
that deals with the read concurrency issues and finally one that converts
the spinlock. Thanks for looking at it.