KVM: MMU: remove global page optimization logic
Complexity to fix it not worthwhile the gains, as discussed
in http://article.gmane.org/gmane.comp.emulators.kvm.devel/28649.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 09782a9..258e459 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -268,8 +268,7 @@
kvm_get_pfn(pfn);
mmu_set_spte(vcpu, spte, page->role.access, pte_access, 0, 0,
gpte & PT_DIRTY_MASK, NULL, largepage,
- gpte & PT_GLOBAL_MASK, gpte_to_gfn(gpte),
- pfn, true);
+ gpte_to_gfn(gpte), pfn, true);
}
/*
@@ -303,7 +302,6 @@
user_fault, write_fault,
gw->ptes[gw->level-1] & PT_DIRTY_MASK,
ptwrite, largepage,
- gw->ptes[gw->level-1] & PT_GLOBAL_MASK,
gw->gfn, pfn, false);
break;
}
@@ -592,7 +590,7 @@
nr_present++;
pte_access = sp->role.access & FNAME(gpte_access)(vcpu, gpte);
set_spte(vcpu, &sp->spt[i], pte_access, 0, 0,
- is_dirty_pte(gpte), 0, gpte & PT_GLOBAL_MASK, gfn,
+ is_dirty_pte(gpte), 0, gfn,
spte_to_pfn(sp->spt[i]), true, false);
}