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authorEric Auger <eric.auger@redhat.com>2018-05-22 09:55:09 +0200
committerMarc Zyngier <marc.zyngier@arm.com>2018-05-25 12:29:26 +0100
commitdc524619369c320e057cb198bbca017f3a0bb69a (patch)
tree6094b7ecf66f4b91f4b5440a9af4634ba0891f29 /virt/kvm/arm/vgic/vgic-mmio-v3.c
parentdbd9733ab6742dfb7d4f6c49e7d412d4e792d8be (diff)
downloadlinux-dc524619369c320e057cb198bbca017f3a0bb69a.tar.bz2
KVM: arm/arm64: Helper to locate free rdist index
We introduce vgic_v3_rdist_free_slot to help identifying where we can place a new 2x64KB redistributor. Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Christoffer Dall <christoffer.dall@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'virt/kvm/arm/vgic/vgic-mmio-v3.c')
-rw-r--r--virt/kvm/arm/vgic/vgic-mmio-v3.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/virt/kvm/arm/vgic/vgic-mmio-v3.c b/virt/kvm/arm/vgic/vgic-mmio-v3.c
index d1aab183a1cc..49ca176e2e08 100644
--- a/virt/kvm/arm/vgic/vgic-mmio-v3.c
+++ b/virt/kvm/arm/vgic/vgic-mmio-v3.c
@@ -593,8 +593,7 @@ int vgic_register_redist_iodev(struct kvm_vcpu *vcpu)
* function for all VCPUs when the base address is set. Just return
* without doing any work for now.
*/
- rdreg = list_first_entry(&vgic->rd_regions,
- struct vgic_redist_region, list);
+ rdreg = vgic_v3_rdist_free_slot(&vgic->rd_regions);
if (!rdreg)
return 0;