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-rw-r--r--arch/x86/include/asm/kvm_host.h1
-rw-r--r--arch/x86/kvm/mmu.c3
2 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index c5e834ed68a5..63400e6bb4eb 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -180,6 +180,7 @@ union kvm_mmu_page_role {
unsigned invalid:1;
unsigned cr4_pge:1;
unsigned nxe:1;
+ unsigned cr0_wp:1;
};
};
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 19a8906bcaa2..01b3c33437f1 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -223,7 +223,7 @@ void kvm_mmu_set_mask_ptes(u64 user_mask, u64 accessed_mask,
}
EXPORT_SYMBOL_GPL(kvm_mmu_set_mask_ptes);
-static int is_write_protection(struct kvm_vcpu *vcpu)
+static bool is_write_protection(struct kvm_vcpu *vcpu)
{
return kvm_read_cr0_bits(vcpu, X86_CR0_WP);
}
@@ -2439,6 +2439,7 @@ static int init_kvm_softmmu(struct kvm_vcpu *vcpu)
r = paging32_init_context(vcpu);
vcpu->arch.mmu.base_role.glevels = vcpu->arch.mmu.root_level;
+ vcpu->arch.mmu.base_role.cr0_wp = is_write_protection(vcpu);
return r;
}