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Re: [Xen-devel] [PATCH v7 0/12] remove maintenance interrupts


On 04/08/2014 04:11 PM, Stefano Stabellini wrote:
> Hi all,
> this patch series removes any needs for maintenance interrupts for both
> hardware and software interrupts in Xen.
> It achieves the goal by using the GICH_LR_HW bit for hardware interrupts
> and by checking the status of the GICH_LR registers on return to guest,
> clearing the registers that are invalid and handling the lifecycle of
> the corresponding interrupts in Xen data structures.
> It also improves priority handling, keeping the highest priority
> outstanding interrupts in the GICH_LR registers.

Just to avoid someone push this serie in its current state by mistake.

This version is not stable on midway, DOM0 get easily stuck when I
compile xen tools.

I bisect quickly across the various version, and the V4 seems the last
one which is stable (i.e not crash after a couple of hours of usage).


Julien Grall

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