Re: [Xen-devel] [PATCH 2/7] xen: sched_rt: implement the .free_pdata hook

[Dario Faggioli <dario.faggioli@xxxxxxxxxx>]

On Mon, 2015-03-16 at 18:04 +0100, Dario Faggioli wrote:
> which is called by cpu_schedule_down(), and is necessary
> for resetting the spinlock pointers in schedule_data from
> the RTDS global runqueue lock, back to the default _lock
> fields in the struct.
> 
> Not doing so causes Xen to explode, e.g., when removing
> pCPUs from an RTDS cpupool and assigning them to another
> one.
> 
Hey Meng,

We discussed about this issue before, here: 
http://lists.xen.org/archives/html/xen-devel/2014-09/msg02765.html

But, as far as it looks, the code we ended up merging still had the
issue (i.e., it did not have the hook implemented)!

I was working a bit on/off (for family reasons) in that period, so I
can't really tell how that happened. :-/
Not a big deal... this code is marked as experimental for a reason, but
it probably make sense to double check that anything else similar
happened, can you do that?

Thanks and Regards,
Dario

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