Re: [PATCH v4 3/3] xen: Expose the PMU to the guests

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Mon, 11 Oct 2021, Michal Orzel wrote:
> Add parameter vpmu to xl domain configuration syntax
> to enable the access to PMU registers by disabling
> the PMU traps(currently only for ARM).
> 
> The current status is that the PMU registers are not
> virtualized and the physical registers are directly
> accessible when this parameter is enabled. There is no
> interrupt support and Xen will not save/restore the
> register values on context switches.
> 
> Please note that this feature is experimental.
> 
> Signed-off-by: Michal Orzel <michal.orzel@xxxxxxx>
> Signed-off-by: Julien Grall <julien@xxxxxxx>
> Reviewed-by: Bertrand Marquis <bertrand.marquis@xxxxxxx>

I just wanted to say that I don't have any further comments on this
patch (I saw the ones from Julien which are fine)