KVM: kvm_pdptr_read() may sleep

Annotate it thusly. Signed-off-by: Avi Kivity <avi@redhat.com>
git-mirror · Aug 1, 2010 · 08acfa1 · 08acfa1
1 parent 914ebcc
commit 08acfa1
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/arch/x86/kvm/kvm_cache_regs.h b/arch/x86/kvm/kvm_cache_regs.h
@@ -36,6 +36,8 @@ static inline void kvm_rip_write(struct kvm_vcpu *vcpu, unsigned long val)
 
 static inline u64 kvm_pdptr_read(struct kvm_vcpu *vcpu, int index)
 {
+	might_sleep();  /* on svm */
+
 	if (!test_bit(VCPU_EXREG_PDPTR,
 		      (unsigned long *)&vcpu->arch.regs_avail))
 		kvm_x86_ops->cache_reg(vcpu, VCPU_EXREG_PDPTR);