On Tue, May 30, 2017 at 2:34 PM, Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> 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 hypercall invocations. > > This is going to be used for HvFlushVirtualAddressList hypercall for > remote TLB flushing. > + control |= (u64)varhead_size << 17; /* Variable header size */ > + control |= (u64)rep_count << 32; /* Rep Count */ > + control &= U64_MAX >> 16; > + control |= (u64)rep_comp << 48; It might make sense to define magics with appropriate names. -- With Best Regards, Andy Shevchenko _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
