diff options
author | David S. Miller <davem@davemloft.net> | 2014-07-31 00:25:49 +0400 |
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committer | David S. Miller <davem@davemloft.net> | 2014-07-31 00:25:49 +0400 |
commit | f139c74a8df071217dcd63f3ef06ae7be7071c4d (patch) | |
tree | 5711f695577a18a06dbcd0101956e97b388ffa1a /virt/kvm/arm/vgic.c | |
parent | bd695a5f0ccf7b38982c426d86055ff3591c9b5b (diff) | |
parent | 26bcd8b72563b4c54892c4c2a409f6656fb8ae8b (diff) | |
download | linux-f139c74a8df071217dcd63f3ef06ae7be7071c4d.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'virt/kvm/arm/vgic.c')
-rw-r--r-- | virt/kvm/arm/vgic.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c index 56ff9bebb577..476d3bf540a8 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -1526,17 +1526,33 @@ int kvm_vgic_hyp_init(void) goto out_unmap; } - kvm_info("%s@%llx IRQ%d\n", vgic_node->name, - vctrl_res.start, vgic_maint_irq); - on_each_cpu(vgic_init_maintenance_interrupt, NULL, 1); - if (of_address_to_resource(vgic_node, 3, &vcpu_res)) { kvm_err("Cannot obtain VCPU resource\n"); ret = -ENXIO; goto out_unmap; } + + if (!PAGE_ALIGNED(vcpu_res.start)) { + kvm_err("GICV physical address 0x%llx not page aligned\n", + (unsigned long long)vcpu_res.start); + ret = -ENXIO; + goto out_unmap; + } + + if (!PAGE_ALIGNED(resource_size(&vcpu_res))) { + kvm_err("GICV size 0x%llx not a multiple of page size 0x%lx\n", + (unsigned long long)resource_size(&vcpu_res), + PAGE_SIZE); + ret = -ENXIO; + goto out_unmap; + } + vgic_vcpu_base = vcpu_res.start; + kvm_info("%s@%llx IRQ%d\n", vgic_node->name, + vctrl_res.start, vgic_maint_irq); + on_each_cpu(vgic_init_maintenance_interrupt, NULL, 1); + goto out; out_unmap: |