On Tue, 22 Mar 2016, Daniel Vetter <[email protected]> wrote:
> [ text/plain ]
> On Tue, Mar 22, 2016 at 12:28:20PM +0200, Jani Nikula wrote:
>> On Mon, 21 Mar 2016, Paulo Zanoni <[email protected]> wrote:
>> > +enum fb_mmap_wa_flags {
>> > +  FB_MMAP_WA_CPU =        1 << 0,
>> > +  FB_MMAP_WA_GTT =        1 << 1,
>> > +  FB_MMAP_WA_DISABLE =    1 << 2,
>> > +  FB_MMAP_WA_FLAG_COUNT = 3,
>> > +};
>> 
>> Drive-by review, adding bit flags as enums doesn't feel like what enums
>> should be used for. I'd go for macros instead.
>
> Pretty established convention, some like it since it allows gdb&friends to
> decode your bitflags for you. So abusing enums as flag set is imo ok.

Bah, prevents GCC and friends from giving you sensible warnings on
switch cases etc. :p

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Technology Center
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