Intel Haswell support - Any updates?

[Jean-Sébastien Pédron]

On 17.09.2015 21:22, O. Hartmann wrote:
>> Why does it take so much time to update? Once Konstantin committed his
>> i915 update, I was busy with non-FreeBSD activities until last July,
>> when I slowly started back to work on i915. My goal is to reduce the
>> diff with Linux as much as possible. But, as opposed to OpenBSD and
>> DragonFlyBSD, we do not use a Linux compatibility layer which would
>> dramatically ease our life.
> 
> My concerns are speed and performance. Isn't any kind of layer consuming performance -
> sometimes worse, sometimes negligible. But anyway, HPC isn't a FreeBSD domain, so ...

Like Nikola said, the layer shouldn't have any performance impact. Most
of the functions are either macros wrapping the FreeBSD native functions
or new implementations (for instance, linux/idr.h).

> The spoken of facilities are "generic" or are they Linux-unique and have to be adopted
> for FreeBSD?

Those facilities are generic tools.

-- 
Jean-Sébastien Pédron

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