Re: [RFC v2 11/14] linux-headers/kvm.h: add capability to forward hypercall

2019-11-07 Thread Guoheyi
On 2019/11/7 20:12, Cornelia Huck wrote: On Thu, 7 Nov 2019 19:57:22 +0800 Guoheyi wrote: On 2019/11/7 16:57, Michael S. Tsirkin wrote: On Thu, Nov 07, 2019 at 09:44:36AM +0800, Guoheyi wrote: On 2019/11/7 1:55, Cornelia Huck wrote: On Tue, 5 Nov 2019 17:10:53 +0800 Heyi Guo wrote:

Re: [RFC v2 11/14] linux-headers/kvm.h: add capability to forward hypercall

2019-11-07 Thread Cornelia Huck
On Thu, 7 Nov 2019 19:57:22 +0800 Guoheyi wrote: > On 2019/11/7 16:57, Michael S. Tsirkin wrote: > > On Thu, Nov 07, 2019 at 09:44:36AM +0800, Guoheyi wrote: > >> > >> On 2019/11/7 1:55, Cornelia Huck wrote: > >>> On Tue, 5 Nov 2019 17:10:53 +0800 > >>> Heyi Guo wrote: > >>> > To keep

Re: [RFC v2 11/14] linux-headers/kvm.h: add capability to forward hypercall

2019-11-07 Thread Guoheyi
On 2019/11/7 16:57, Michael S. Tsirkin wrote: On Thu, Nov 07, 2019 at 09:44:36AM +0800, Guoheyi wrote: On 2019/11/7 1:55, Cornelia Huck wrote: On Tue, 5 Nov 2019 17:10:53 +0800 Heyi Guo wrote: To keep backward compatibility, we add new KVM capability "KVM_CAP_FORWARD_HYPERCALL" to probe

Re: [RFC v2 11/14] linux-headers/kvm.h: add capability to forward hypercall

2019-11-07 Thread Michael S. Tsirkin
On Thu, Nov 07, 2019 at 09:44:36AM +0800, Guoheyi wrote: > > > On 2019/11/7 1:55, Cornelia Huck wrote: > > On Tue, 5 Nov 2019 17:10:53 +0800 > > Heyi Guo wrote: > > > > > To keep backward compatibility, we add new KVM capability > > > "KVM_CAP_FORWARD_HYPERCALL" to probe whether KVM supports fo

Re: [RFC v2 11/14] linux-headers/kvm.h: add capability to forward hypercall

2019-11-06 Thread Guoheyi
On 2019/11/7 1:55, Cornelia Huck wrote: On Tue, 5 Nov 2019 17:10:53 +0800 Heyi Guo wrote: To keep backward compatibility, we add new KVM capability "KVM_CAP_FORWARD_HYPERCALL" to probe whether KVM supports forwarding hypercall to userspace. The capability should be enabled explicitly, for

Re: [RFC v2 11/14] linux-headers/kvm.h: add capability to forward hypercall

2019-11-06 Thread Cornelia Huck
On Tue, 5 Nov 2019 17:10:53 +0800 Heyi Guo wrote: > To keep backward compatibility, we add new KVM capability > "KVM_CAP_FORWARD_HYPERCALL" to probe whether KVM supports forwarding > hypercall to userspace. > > The capability should be enabled explicitly, for we don't want user > space applicati

[RFC v2 11/14] linux-headers/kvm.h: add capability to forward hypercall

2019-11-05 Thread Heyi Guo
To keep backward compatibility, we add new KVM capability "KVM_CAP_FORWARD_HYPERCALL" to probe whether KVM supports forwarding hypercall to userspace. The capability should be enabled explicitly, for we don't want user space application to deal with unexpected hypercall exits. After enabling this