Re: [Xen-devel] [PATCH v4 00/15] PVH VCPU hotplug support

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 29.11.16 at 16:33, <boris.ostrovsky@xxxxxxxxxx> wrote:
> This series adds support for ACPI-based VCPU hotplug for unprivileged
> PVH guests.
> 
> Changes in v4:
> * Replaced XEN_DOMCTL_set_avail_vcpus with XEN_DOMCTL_acpi_access,
>   toolstack is expected to issue two ACPI "writes" to trigger the hotplug
> * Moved pm1a registers from PMTState to hvm_domain. gpe0 registers are
>   added there.
> * Both pm1a and gpe0 registers are now represented as uint16_t for status
>   and enable (and as result no new public macros for those registers' length
>   are needed). Ths is partly to avoid changes in HVM code (i.e. pmtimer)
>   and partly to simplify code. I don't expect larger registers will be
>   needed any time soon.
> * ACPI handling now lives in xen/arch/x86/hvm/acpi.c
> * Moved definition of XEN_ACPI_CPU_MAP/XEN_GPE0_CPUHP_BIT from ioreq.h
>   to public/arch-x86/xen.h. This is the best I could come up with but
>   ioreq is the wrong place, now that everything happens in acpi.c

Without having looked at the patch(es) - why not e.g.
public/arch-x86/hvm/acpi.h?

Jan


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