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authorSheng Yang <sheng@linux.intel.com>2008-11-11 15:30:40 +0800
committerAvi Kivity <avi@redhat.com>2008-12-31 16:52:25 +0200
commite7cacd40d20849f69c908f1290c714145073685a (patch)
tree299d775e4336770e61751a2e7a5778a23efa0ff4
parent30ed5bb685ab03c9bdf812502900b65087d61490 (diff)
KVM: Fix kernel allocated memory slot
Commit 7fd49de9773fdcb7b75e823b21c1c5dc1e218c14 "KVM: ensure that memslot userspace addresses are page-aligned" broke kernel space allocated memory slot, for the userspace_addr is invalid. Signed-off-by: Sheng Yang <sheng@linux.intel.com> Signed-off-by: Avi Kivity <avi@redhat.com>
-rw-r--r--virt/kvm/kvm_main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 0a0a9595ba3..4727c08da2e 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -715,7 +715,7 @@ int __kvm_set_memory_region(struct kvm *kvm,
goto out;
if (mem->guest_phys_addr & (PAGE_SIZE - 1))
goto out;
- if (mem->userspace_addr & (PAGE_SIZE - 1))
+ if (user_alloc && (mem->userspace_addr & (PAGE_SIZE - 1)))
goto out;
if (mem->slot >= KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS)
goto out;