Re: [PATCH 5/6] target-arm/kvm64: fix save/restore of SPSR regs

Peter Maydell
2015-03-09T13:31:41Z

On 9 March 2015 at 21:56, Christoffer Dall <christoffer.dall@linaro.org> wrote:
> this function, however, is not used only when migration, but should
> generally cover the case where you want to synchronize QEMU's state into
> KVM's state, right? So while it may not be harmful in currently
> supported use cases, is there ever a situation where (is_a64(env) && el
> == 0) and env->spsr != banked_spsr[el], and where env->spsr is
> out-of-date?

If EL == 0 then you can't access any SPSR, so env->spsr is by
definition out of date.

-- PMM