diff options
Diffstat (limited to 'arch/x86/kvm/mmu.h')
-rw-r--r-- | arch/x86/kvm/mmu.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h index 3ed6192d93b1..67e7ec2eb7e0 100644 --- a/arch/x86/kvm/mmu.h +++ b/arch/x86/kvm/mmu.h @@ -48,6 +48,9 @@ static inline u64 rsvd_bits(int s, int e) { + if (e < s) + return 0; + return ((1ULL << (e - s + 1)) - 1) << s; } |