Robust Mutex Problem
Anton Vorontsov
cbouatmailru at gmail.com
Fri Mar 25 20:04:43 UTC 2011
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
--
Anton Vorontsov
Email: cbouatmailru at gmail.com
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