> 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.
Yes. And it's not in the critical code patch.
>
> --
>
> David
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