From: Avi Kivity <[EMAIL PROTECTED]>
Emulation may cause a shadow pte to be instantiated, which requires
memory resources. Make sure the caches are filled to avoid an oops.
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
index ace3cb8..9be54a5 100644
--- a/drivers/kvm/mmu.c
+++ b/drivers/kvm/mmu.c
@@ -1362,6 +1362,10 @@ int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t cr2,
u32 error_code)
goto out;
}
+ r = mmu_topup_memory_caches(vcpu);
+ if (r)
+ goto out;
+
er = emulate_instruction(vcpu, vcpu->run, cr2, error_code, 0);
mutex_unlock(&vcpu->kvm->lock);
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