[PATCH v10 05/12] ARM/ARM64: KVM: Make kvm_psci_call() return convention more flexible

[Christoffer Dall]

On Mon, Apr 21, 2014 at 06:29:59PM +0530, Anup Patel wrote:
> Currently, the kvm_psci_call() returns 'true' or 'false' based on whether
> the PSCI function call was handled successfully or not. This does not help
> us emulate system-level PSCI functions where the actual emulation work will
> be done by user space (QEMU or KVMTOOL). Examples of such system-level PSCI
> functions are: PSCI v0.2 SYSTEM_OFF and SYSTEM_RESET.
> 
> This patch updates kvm_psci_call() to return three types of values:
> 1) > 0 (success)
> 2) = 0 (success but exit to user space)
> 3) < 0 (errors)
> 
> Signed-off-by: Anup Patel <anup.patel at linaro.org>
> Signed-off-by: Pranavkumar Sawargaonkar <pranavkumar at linaro.org>
> Reviewed-by: Christoffer Dall <christoffer.dall at linaro.org>

Marc, do you still have comments on this one?

-Christoffer