Re: [Xen-devel] Pausing / unpausing a single domain VCPU via libxc

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 26.01.17 at 13:08, <rcojocaru@xxxxxxxxxxxxxxx> wrote:
> I see that there's currently no xc_vcpu_pause() (there's only
> xc_domain_pause(), which freezes all the VCPUs), but there's
> XEN_DOMCTL_gdbsx_pausevcpu, which is only used by
> tools/debugger/gdbsx/xg/xg_main.c.
> 
> Wouldn't it make sense to have a "regular" DOMCTL in libxc that the
> debugger, as well as other clients, would make use of (said
> xc_vcpu_pause() / xc_vcpu_unpause())?

I could imagine the main reason for it to not exist being that using
it may confuse the guest (seeing one or more of its vCPU-s no
longer respond for some arbitrary time period).

Jan


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