Re: [Xen-devel] [PATCH 3/6] x86: Add nopv parameter to disable PV extensions

2019-06-24 Thread Zhenzhong Duan
On 2019/6/24 21:18, Juergen Gross wrote: On 23.06.19 15:01, Zhenzhong Duan wrote: In virtualization environment, PV extensions (drivers, interrupts, timers, etc) are enabled in the majority of use cases which is the best option. However, in some cases (kexec not fully working, benchmarking)

Re: [Xen-devel] [PATCH 3/6] x86: Add nopv parameter to disable PV extensions

2019-06-24 Thread Juergen Gross
On 23.06.19 15:01, Zhenzhong Duan wrote: In virtualization environment, PV extensions (drivers, interrupts, timers, etc) are enabled in the majority of use cases which is the best option. However, in some cases (kexec not fully working, benchmarking) we want to disable PV extensions. As such

Re: [Xen-devel] [PATCH 3/6] x86: Add nopv parameter to disable PV extensions

2019-06-24 Thread Juergen Gross
On 23.06.19 15:01, Zhenzhong Duan wrote: In virtualization environment, PV extensions (drivers, interrupts, timers, etc) are enabled in the majority of use cases which is the best option. However, in some cases (kexec not fully working, benchmarking) we want to disable PV extensions. As such

[Xen-devel] [PATCH 3/6] x86: Add nopv parameter to disable PV extensions

2019-06-24 Thread Zhenzhong Duan
In virtualization environment, PV extensions (drivers, interrupts, timers, etc) are enabled in the majority of use cases which is the best option. However, in some cases (kexec not fully working, benchmarking) we want to disable PV extensions. As such introduce the 'nopv' parameter that will do