[PATCH v5 08/10] x86/hyper-v: use hypercall for remote TLB flush
Andy Shevchenko
andy.shevchenko at gmail.com
Tue May 30 19:19:58 UTC 2017
On Tue, May 30, 2017 at 10:17 PM, Jork Loeser <Jork.Loeser at microsoft.com> wrote:
>> > +#define HV_FLUSH_ALL_PROCESSORS 0x00000001
>> > +#define HV_FLUSH_ALL_VIRTUAL_ADDRESS_SPACES 0x00000002
>> > +#define HV_FLUSH_NON_GLOBAL_MAPPINGS_ONLY 0x00000004
>> > +#define HV_FLUSH_USE_EXTENDED_RANGE_FORMAT 0x00000008
>>
>> BIT() ?
>
> Certainly a matter of taste.
That's why ? is used, though slightly better to parse the BIT macros
which is also less error prone.
> Given that the Hyper-V spec lists these as hex numbers, I find the explicit numbers appropriate.
Yes, but since it introduces a full set of the flags I would not see
disadvantages by style.
--
With Best Regards,
Andy Shevchenko
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