Re: [Xen-devel] [PATCH-4.5 v2 0/10] remove maintenance interrupts

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Sun, 2014-02-16 at 20:23 +0000, Julien Grall wrote:
> Hi Stefano,
> 
> On 14/02/14 15:50, 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.
> 
> To keep track here, I have tried the patch series on top of the latest 
> Xen. Booting Xen and Dom0 is slower with this patch series.

Presumably lots slower or you wouldn't have noticed.

Stefano, I started reviewing before I saw this -- should I continue or
is it worth waiting for a v3?

Ian.



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