Re: [PATCH v5 06/10] x86/hyper-v: implement rep hypercalls

2017-05-30 Thread Andy Shevchenko
On Tue, May 30, 2017 at 2:34 PM, Vitaly Kuznetsov wrote: > Rep hypercalls are normal hypercalls which perform multiple actions at > once. Hyper-V guarantees to return exectution to the caller in not more > than 50us and the caller needs to use hypercall continuation. Touch NMI > watchdog between h

[PATCH v5 06/10] x86/hyper-v: implement rep hypercalls

2017-05-30 Thread Vitaly Kuznetsov
Rep hypercalls are normal hypercalls which perform multiple actions at once. Hyper-V guarantees to return exectution to the caller in not more than 50us and the caller needs to use hypercall continuation. Touch NMI watchdog between hypercall invocations. This is going to be used for HvFlushVirtual