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

From: [email-masked] (Marc Zyngier)
Date: Mon, 28 Apr 2014 15:27:34 +0100

On Mon, Apr 28 2014 at  3:17:43 pm BST, Christoffer Dall <[email-masked]> wrote:
> 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 <[email-masked]>
>> Signed-off-by: Pranavkumar Sawargaonkar <[email-masked]>
>> Reviewed-by: Christoffer Dall <[email-masked]>
>
> Marc, do you still have comments on this one?

No, this one is OK:

Acked-by: Marc Zyngier <[email-masked]>

	M.
-- 
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