Re: [Xen-devel] [hybrid]: hang in update_wall_time

[Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>]

On Tue, 20 Mar 2012 12:39:24 +0000
Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> wrote:

> stime_local_stamp is set to get_s_time() and get_s_time scales the tsc
> value according to local_tsc_stamp and tsc_scale. You need to make
> sure that these two parameters are correct for dom0 hybrid as well.
> 
> Also I would keep an eye on arch.hvm_vcpu.stime_offset and
> arch.hvm_vcpu.cache_tsc_offset that only play a role in hvm domains.
> Maybe they are not set to correct values in your case?
> 
> Give a look at hvm_set_guest_tsc and hvm_set_guest_time. You probably
> need to initialize them on hybrid as well and make sure you take the
> is_hvm_domain path in __update_vcpu_system_time.

Hmm... I thought we decided we didn't want any HVM time paths for hybrid,
but PV only. A bit confused now. I'll take a look at HVM time variables 
nevertheless.

thanks,
Mukesh




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