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ARM: KVM: vgic: decouple alignment restriction from page size
author
Marc Zyngier
<marc.zyngier@arm.com>
Wed, 12 Dec 2012 14:37:10 +0000
(14:37 +0000)
committer
Christoffer Dall
<cdall@cs.columbia.edu>
Wed, 6 Mar 2013 23:48:44 +0000
(15:48 -0800)
The virtual GIC is supposed to be 4kB aligned. On a 64kB page
system, comparing the alignment to PAGE_SIZE is wrong.
Use SZ_4K instead.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
arch/arm/kvm/vgic.c
patch
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diff --git
a/arch/arm/kvm/vgic.c
b/arch/arm/kvm/vgic.c
index
c9a1731
..
161d5c1
100644
(file)
--- a/
arch/arm/kvm/vgic.c
+++ b/
arch/arm/kvm/vgic.c
@@
-1484,7
+1484,7
@@
int kvm_vgic_set_addr(struct kvm *kvm, unsigned long type, u64 addr)
if (addr & ~KVM_PHYS_MASK)
return -E2BIG;
- if (addr &
~PAGE_MASK
)
+ if (addr &
(SZ_4K - 1)
)
return -EINVAL;
mutex_lock(&kvm->lock);