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Re: RFC: mpsafe bridge and NIC drivers (vioif and wm)

On 21/06/2014 11:00 AM, Matt Thomas wrote:
> On Jun 20, 2014, at 5:57 AM, Ryota Ozaki <> wrote:
>> Hi,
>> I've prepared a trial patch of MPSAFE networking.
> The kmutex_t in ifqueue, etc. should be pointers and not in the structure 
> themselves.
> That can simply the macros to test for a NULL pointer for the locks in the 
> non-WM case.
> Consider using mutex_obj_alloc to get mutexes instead of the embedding them 
> in the
> structures.

This coding pattern goes against what is done almost everywhere else.

What's the rationale behind it?


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