[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v2] xen/x86: add a comment regarding how to get the VCPU ID on HVM
Ping? On 23/09/13 20:07, Roger Pau Monne wrote: > Add a note to the public headers regarding how to get the VCPU ID for > HVM guests (on x86). > > Signed-off-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx> > Acked-by: Matt Wilson <msw@xxxxxxxxxx> > Cc: Jan Beulich <jbeulich@xxxxxxxx> > Cc: Keir Fraser <keir@xxxxxxx> > Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> > Cc: Matt Wilson <msw@xxxxxxxxxx> > --- > This is what Linux PVHVM does AFAIK, and also what I've been using in > my FreeBSD PVHVM series, but it's not written anywere. > --- > Changes since v1: > * Reworded the comment as requested by Matt. > --- > xen/include/public/vcpu.h | 4 ++++ > 1 files changed, 4 insertions(+), 0 deletions(-) > > diff --git a/xen/include/public/vcpu.h b/xen/include/public/vcpu.h > index e888daf..f09367a 100644 > --- a/xen/include/public/vcpu.h > +++ b/xen/include/public/vcpu.h > @@ -35,6 +35,10 @@ > * @cmd == VCPUOP_??? (VCPU operation). > * @vcpuid == VCPU to operate on. > * @extra_args == Operation-specific extra arguments (NULL if none). > + * > + * For x86 HVM domains that use VCPU operations the VCPU ID is the ACPI > + * Processor ID of the CPU (not to be confused with the APIC ID), as > + * fetched from the MADT table. > */ > > /* > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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