svn commit: r245850 - in head/sys/sparc64: include sparc64

[Andriy Gapon]

on 28/01/2013 16:54 John Baldwin said the following:
> On Saturday, January 26, 2013 5:11:24 am Andriy Gapon wrote:
>> on 24/01/2013 00:52 Marius Strobl said the following:
>>> This is due to
>>>   the fact that on sparc64, spinlock_enter() only raises the PIL but doesn't
>>>   disable interrupts completely.
>>
>> John,
>>
>> I wonder if you are considering pushing your amd64 TPR patch some day...
> 
> I have it in a p4 branch still that is easy to update.  I haven't yet been
> able to do any testing/benchmarks that show it as beneficial.
> 

I am thinking about architectural benefits.
Like doing inter-processor stuff with less risk of deadlocks.
Or "hard CPU stop" without resorting to NMI.
Things like that...

-- 
Andriy Gapon