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>
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@ -715,7 +715,7 @@ int __kvm_set_memory_region(struct kvm *kvm,
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goto out;
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if (mem->guest_phys_addr & (PAGE_SIZE - 1))
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goto out;
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if (mem->userspace_addr & (PAGE_SIZE - 1))
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if (user_alloc && (mem->userspace_addr & (PAGE_SIZE - 1)))
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goto out;
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if (mem->slot >= KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS)
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goto out;
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