Am 09.12.2016 um 08:02 schrieb Liang Li:
Use '||' is more efficient than '|' at this point.
Signed-off-by: Liang Li <liang.z.li@xxxxxxxxx>
---
arch/x86/kvm/mmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index d9c7e98..16c0b00 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3315,7 +3315,7 @@ static gpa_t nonpaging_gva_to_gpa_nested(struct kvm_vcpu *vcpu, gva_t vaddr,
{
int bit7 = (pte >> 7) & 1, low6 = pte & 0x3f;
- return (pte & rsvd_check->rsvd_bits_mask[bit7][level-1]) |
+ return (pte & rsvd_check->rsvd_bits_mask[bit7][level-1]) ||
((rsvd_check->bad_mt_xwr & (1ull << low6)) != 0);
}
This isn't really a fix as given in the subject, is it?
The != 0 is also superfluous, but not sure if these two things are
really worth touching it.
--
David
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