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authorAlexander Graf <agraf@suse.de>2012-01-17 15:11:28 +0100
committerAvi Kivity <avi@redhat.com>2012-03-05 14:57:27 +0200
commitb7f5d0114c708d6efd264a2c5e5a31cf292a9cec (patch)
tree898cd5e55e9caf728b742ec1c4355882d659efd7
parentb4e706111d501991c59d2af23a299ab52a06b03d (diff)
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KVM: PPC: Initialize linears with zeros
RMAs and HPT preallocated spaces should be zeroed, so we don't accidently leak information from previous VM executions. Signed-off-by: Alexander Graf <agraf@suse.de> Acked-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Avi Kivity <avi@redhat.com>
-rw-r--r--arch/powerpc/kvm/book3s_hv_builtin.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c b/arch/powerpc/kvm/book3s_hv_builtin.c
index 1c7e6ab5f9d..7caed1dfd7a 100644
--- a/arch/powerpc/kvm/book3s_hv_builtin.c
+++ b/arch/powerpc/kvm/book3s_hv_builtin.c
@@ -152,6 +152,7 @@ static struct kvmppc_linear_info *kvm_alloc_linear(int type)
break;
}
spin_unlock(&linear_lock);
+ memset(ri->base_virt, 0, ri->npages << PAGE_SHIFT);
return ri;
}