Re: [Xen-devel] [PATCH v2 0/2] xen/arm: vcpu_yield on WFE

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Wed, 23 Jul 2014, Julien Grall wrote:
> On 07/23/2014 02:35 PM, Stefano Stabellini wrote:
> > Hi all,
> 
> Hi Stefano,
> 
> > the patches should be self-explanatory.
> 
> I gave a try of this series on midway and hackbench get stuck after few
> minutes.

Just as a confirmation, you did run hackbench before on midway and it
didn't get stuck, right?


> FYI, I'm not able to reproduce on our local midway node.

Without a reproducing environment is going to be very hard to fix it.
It might be worth living it running in a loop for a few hours...


> Regards,
> 
> > Changes in v2:
> > - do not change parameters and return value of do_yield.
> > 
> > 
> > Stefano Stabellini (2):
> >       xen: export do_yield as vcpu_yield
> >       xen/arm: call vcpu_yield on WFE trap
> > 
> >  xen/arch/arm/traps.c    |    2 +-
> >  xen/common/schedule.c   |    6 +++---
> >  xen/include/xen/sched.h |    1 +
> >  3 files changed, 5 insertions(+), 4 deletions(-)
> > 
> 
> 
> -- 
> Julien Grall
> 

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