Message ID | 20180926170259.29796-6-vkuznets@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | KVM: x86: hyperv: PV IPI support for Windows guests | expand |
On Wed, Sep 26, 2018 at 07:02:57PM +0200, Vitaly Kuznetsov wrote: > This probably doesn't matter much (KVM_MAX_VCPUS is much lower nowadays) > but valid_bank_mask is really u64 and not unsigned long. > > Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> > --- > arch/x86/kvm/hyperv.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index 6a19c8e3c432..eeb12eacd525 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -1300,7 +1300,7 @@ static u64 kvm_hv_flush_tlb(struct kvm_vcpu *current_vcpu, u64 ingpa, struct hv_tlb_flush flush; struct kvm_vcpu *vcpu; unsigned long vcpu_bitmap[BITS_TO_LONGS(KVM_MAX_VCPUS)] = {0}; - unsigned long valid_bank_mask = 0; + u64 valid_bank_mask = 0; u64 sparse_banks[64]; int sparse_banks_len, i; bool all_cpus; @@ -1328,7 +1328,8 @@ static u64 kvm_hv_flush_tlb(struct kvm_vcpu *current_vcpu, u64 ingpa, all_cpus = flush_ex.hv_vp_set.format != HV_GENERIC_SET_SPARSE_4K; - sparse_banks_len = bitmap_weight(&valid_bank_mask, 64) * + sparse_banks_len = + bitmap_weight((unsigned long *)&valid_bank_mask, 64) * sizeof(sparse_banks[0]); if (!sparse_banks_len && !all_cpus)
This probably doesn't matter much (KVM_MAX_VCPUS is much lower nowadays) but valid_bank_mask is really u64 and not unsigned long. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> --- arch/x86/kvm/hyperv.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)