Accessing flash directly from User Space [SOLVED]

Jonathan Haws Jonathan.Haws at sdl.usu.edu
Sat Oct 31 01:57:12 EST 2009


> On Friday 30 October 2009 15:50:22 Jonathan Haws wrote:
> > > I suspect that the msync() was merely serving as a very
> heavyweight
> > > memory barrier.
> >
> > I did try hacking the mb() calls from the kernel source to use
> them in user space, but they had no effect.  I still had to include
> the calls to msync().
> 
> What did the resulting mb() that you used look like?

asm("eieio; sync");


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