Re: [Xen-devel] [PATCH v4 2/5] x86: Add nopv parameter to disable PV extensions

2019-07-02 Thread Boris Ostrovsky
On 7/1/19 1:19 AM, Zhenzhong Duan wrote: > > There is already 'xen_nopv' parameter for XEN platform but not for > others. 'xen_nopv' can then be removed with this change. This is no longer true. -boris ___ Xen-devel mailing list

[Xen-devel] [PATCH v4 2/5] x86: Add nopv parameter to disable PV extensions

2019-07-01 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