Bug in v7_coherent_kern_range() ?

[Will Deacon]

On Fri, Apr 06, 2012 at 04:35:09AM +0100, Huang Shijie wrote:
> >
> > http://lists.arm.linux.org.uk/lurker/message/20111107.173344.f738392e.en.html
> I tested this patch.  It fixed this bug. This bug did not occur any more.
> But my system still hung at futex. I think the futex issue is another 
> bug.(will this patch affect the futex?)

If you're on an SMP system, can you check that you have df77abca ("ARM:
7099/1: futex: preserve oldval in SMP __futex_atomic_op") applied?

> So :
> Tested-by: Huang Shijie <b32955 at freescale.com>

Ok, thanks. It looks that has briefly revived the discussion over there at
least.

Will