Re: [Xen-devel] [RFC] Physical hot-add cpus and TSC

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 28/05/2010 07:29, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> wrote:

>> It is impossible to meet that level of TSC consistency when doing CPU
>> physical-add, without emulating all guest TSCs. We may need to add that as
>> an option, at least, to keep a small class of apps that care (like Oracle's
>> DB, we assume) happy.
> 
> So a option to make TSC_MODE_DEFAULT as d->arch.vtsc=0 ?.
> When CPU_hotadd, we should at least warning if that option is not set, am I
> right?

Xen-unstable:21469.

 -- Keir



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