From: Christoffer Dall <christoffer.dall@linaro.org>
Date: Tue, 9 Dec 2014 13:30:36 +0000 (+0100)
Subject: arm/arm64: KVM: Add (new) vgic_initialized macro
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~40^2~2^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1f57be289571d514b9412da2af25a64a81b8dd89;p=pandora-kernel.git

arm/arm64: KVM: Add (new) vgic_initialized macro

Some code paths will need to check to see if the internal state of the
vgic has been initialized (such as when creating new VCPUs), so
introduce such a macro that checks the nr_cpus field which is set when
the vgic has been initialized.

Also set nr_cpus = 0 in kvm_vgic_destroy, because the error path in
vgic_init() will call this function, and code should never errornously
assume the vgic to be properly initialized after an error.

Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-by: Eric Auger <eric.auger@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
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