Commit ee6268ba authored by Liang Chen's avatar Liang Chen Committed by Paolo Bonzini

KVM: x86: Skip pae_root shadow allocation if tdp enabled

Considering the fact that the pae_root shadow is not needed when
tdp is in use, skip the pae_root shadow page allocation to allow
mmu creation even not being able to obtain memory from DMA32
zone when particular cgroup cpuset.mems or mempolicy control is
applied.
Signed-off-by: default avatarLiang Chen <liangchen.linux@gmail.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent c2a4eadf
...@@ -5341,6 +5341,9 @@ static int alloc_mmu_pages(struct kvm_vcpu *vcpu) ...@@ -5341,6 +5341,9 @@ static int alloc_mmu_pages(struct kvm_vcpu *vcpu)
struct page *page; struct page *page;
int i; int i;
if (tdp_enabled)
return 0;
/* /*
* When emulating 32-bit mode, cr3 is only 32 bits even on x86_64. * When emulating 32-bit mode, cr3 is only 32 bits even on x86_64.
* Therefore we need to allocate shadow page tables in the first * Therefore we need to allocate shadow page tables in the first
......
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