Re: [Xen-devel] [PATCH] x86: re-enable VCPUOP_register_vcpu_time_memory_area

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Thu, 2013-05-16 at 09:47 +0100, Jan Beulich wrote:
> By moving the call to update_vcpu_system_time() out of schedule() into
> arch-specific context switch code, the original problem of the function
> accessing the wrong domain's address space goes away (obvious even from
> patch context, as update_runstate_area() does similar copying).
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

> ---
> Regardless of the code freeze I'd still like to propose this for
> inclusion in 4.3, mainly based on the fact that this got disabled late
> in the 4.0 release cycle with the expectation that it would get
> re-enabled soon after. Now that upstream Linux also has, as of 3.8 at
> least on x86-64, the necessary hypervisor independent support code, it
> would be odd to not leverage this on Xen.

I went looking for a call to VCPUOP_register_vcpu_time_memory_area in
3.10-rc1 and can't find it -- what have I missed?



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