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KVM: MMU: remove unnecessary check

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Checking the return of kvm_mmu_get_page is unnecessary since it is
guaranteed by memory cache

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Xiao Guangrong 2012-09-07 14:15:03 +08:00 • committed by Avi Kivity
parent 92b5265d38
commit 7de5bdc96c
1 changed files with 0 additions and 5 deletions
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5
arch/x86/kvm/mmu.c
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@ -2616,11 +2616,6 @@ static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write,
sp = kvm_mmu_get_page(vcpu, pseudo_gfn, iterator.addr, sp = kvm_mmu_get_page(vcpu, pseudo_gfn, iterator.addr,
iterator.level - 1, iterator.level - 1,
1, ACC_ALL, iterator.sptep); 1, ACC_ALL, iterator.sptep);
if (!sp) {
pgprintk("nonpaging_map: ENOMEM\n");
kvm_release_pfn_clean(pfn);
return -ENOMEM;
}
mmu_spte_set(iterator.sptep, mmu_spte_set(iterator.sptep,
__pa(sp->spt) __pa(sp->spt)