Re: [Qemu-devel] [PATCH] hw/arm/virt: smbios: inform guest of kvm

[Peter Maydell]

On 23 September 2015 at 07:18, Andrew Jones <address@hidden> wrote:
> ARM/AArch64 KVM guests don't have any way to identify
> themselves as KVM guests (x86 guests use a CPUID leaf). Now, we
> could discuss all sorts of reasons why guests shouldn't need to
> know that, but then there's always some case where it'd be
> nice... Anyway, now that we have SMBIOS tables in ARM guests,
> it's easy for the guest to know that it's a QEMU instance. This
> patch takes that one step further, also identifying KVM, when
> appropriate. Again, we could debate why generally nothing
> should care whether it's of type QEMU or QEMU/KVM, but again,
> sometimes it's nice to know...

This doesn't seem great to me, because it's ACPI/SMBIOS
specific. A mechanism that worked whether the guest was
booted via APCI or DT would seem preferable to me...

thanks
-- PMM