Re: [PATCH] kvm: pass the virtual SEI syndrome to guest OS

From: Peter Maydell
Date: Tue Mar 21 2017 - 18:19:44 EST


On 21 March 2017 at 19:39, Christoffer Dall <cdall@xxxxxxxxxx> wrote:
> My confusion here comes from not thinking about QEMU or KVM as firmware,
> but as the machine, so it would be sort of like the functionality is
> baked into hardware rather than firmware.

There is precedent for that kind of thing -- we implement PSCI
in KVM/QEMU for the guest, though in real hardware it would be
provided by firmware at EL3.

thanks
-- PMM