On Wed, Oct 27, 2010 at 05:03:33PM +0800, Xiao Guangrong wrote: > The 'gfn' is not recorded if the next slot is empty > This function is not used for gfn recording, only to search for recorded gfn, but without the fix it walks over all entries if gfn is not in the hash. > Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxx> Acked-by: Gleb Natapov <gleb@xxxxxxxxxx> > --- > arch/x86/kvm/x86.c | 4 ++-- > 1 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c > index 7876ec8..16f42ff 100644 > --- a/arch/x86/kvm/x86.c > +++ b/arch/x86/kvm/x86.c > @@ -6207,8 +6207,8 @@ static u32 kvm_async_pf_gfn_slot(struct kvm_vcpu *vcpu, gfn_t gfn) > u32 key = kvm_async_pf_hash_fn(gfn); > > for (i = 0; i < roundup_pow_of_two(ASYNC_PF_PER_VCPU) && > - (vcpu->arch.apf.gfns[key] != gfn || > - vcpu->arch.apf.gfns[key] == ~0); i++) > + (vcpu->arch.apf.gfns[key] != gfn && > + vcpu->arch.apf.gfns[key] != ~0); i++) > key = kvm_async_pf_next_probe(key); > > return key; > -- > 1.7.0.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- Gleb. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
