diff options
| author | Avi Kivity <avi@qumranet.com> | 2007-10-28 18:52:05 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2007-10-28 18:52:05 +0200 |
| commit | b95061aec006bc4c44e4b244e4ec15c009ab880a (patch) | |
| tree | d17640ba4e34a03d4efcda935ca7a699c83ba60b | |
| parent | e9e1741b896e474238422b3954eb05ff06075d61 (diff) | |
KVM: MMU: Topup the mmu memory preallocation caches before emulating an insnkvm-49
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 <avi@qumranet.com>
| -rw-r--r-- | drivers/kvm/mmu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c index ace3cb86214b..9be54a5e858e 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); |