cache aliasing in dup_mmap

[Russell King - ARM Linux]

On Tue, Sep 29, 2009 at 12:30:27PM -0400, Steven Walter wrote:
> On Sun, Mar 8, 2009 at 10:36 AM, Russell King - ARM Linux
> <linux at arm.linux.org.uk> wrote:
> > On Sun, Mar 08, 2009 at 12:10:29PM +0000, Russell King - ARM Linux wrote:
> >> I don't think moving flush_cache_mm solves anything - the problem remains,
> >> but with a different timing.
> >
> > On the other hand, this should solve the problem.  I'm not 100% happy
> > with this because we end up using the cache flush ops on the same memory
> > several times.
> 
> Russell
> 
> It appears that this patch is neither in Linus' tree nor the ARM
> master branch.  Was a different fix committed to address the original
> memory corruption issue?