Re: [PATCH V6 1/6] kvm: don't try to register to KVM_FAST_MMIO_BUS for non mmio eventfd

On Tue, 15 Sep 2015 14:41:54 +0800 Jason Wang wrote: > We only want zero length mmio eventfd to be registered on > KVM_FAST_MMIO_BUS. So check this explicitly when arg->len is zero to > make sure this. > > Cc: sta...@vger.kernel.org > Cc: Gleb Natapov > Cc: Paolo Bonzini > Signed-off-by: Jason

[PATCH V6 1/6] kvm: don't try to register to KVM_FAST_MMIO_BUS for non mmio eventfd

We only want zero length mmio eventfd to be registered on KVM_FAST_MMIO_BUS. So check this explicitly when arg->len is zero to make sure this. Cc: sta...@vger.kernel.org Cc: Gleb Natapov Cc: Paolo Bonzini Signed-off-by: Jason Wang --- virt/kvm/eventfd.c | 4 ++-- 1 file changed, 2 insertions(+