On Fri, Mar 25, 2011 at 08:57:50PM +0100, Arnd Bergmann wrote:
> On Friday 25 March 2011 20:22:06 Pack, Robert wrote:
>
> >     Any suggestions on how to resolve? Should one expect robust mutex
> > support?
>
> There was a patch to support for robust futexes on SMP kernel last year,
> from Anton Vorontsov:
>
> http://lists.infradead.org/pipermail/linux-arm-kernel/2010-June/017374.html
>
> There was some discussion on this patch, but I think the work
> was never completed to address the concerns.
>
> Maybe you were running with this patch at an earlier time?

The patch was waiting for Catalin Marinas' "Remove the domain switching on
ARMv6k/v7 CPUs" patch to hit Linus' tree. Now that the patch is in, the
robust mutex support should be OK with the patch above (but a minor change[1]
would be needed to get it into mainline).

Thanks,

[1] http://lists.infradead.org/pipermail/linux-arm-kernel/2010-June/017395.html

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Hello Folks,
   Thanks for the help it was very informative.

It sounds as if we're almost there and you folks have already done most of the hard work. How can someone help to get this patch into the pipeline? It is basically a blocker for my work on the ARM at this point. I'd love to see this make it in before Linaro 11.05 comes out if at all possible. What is the right way to pursue it?

  
-Sincerely,
Todd Pack