Re: [PATCH v7 1/4] spinlock: A new lockref structure for locklessupdate of refcount

[Sedat Dilek]

On Fri, Aug 30, 2013 at 6:12 PM, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> On Fri, 30 Aug 2013 17:38:47 +0200
> Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote:
>
>
>> A Samsung series-5 ultrabook.
>>
>> $ grep "model name" /proc/cpuinfo | uniq
>> model name      : Intel(R) Core(TM) i5-2467M CPU @ 1.60GHz
>
> I believe the number of CPUs is more important. But as this is an
> ultrabook, I doubt that is very high.
>

Fantastic Four.

> Now I know this isn't going to be popular, but I'll suggest it anyway.
> What about only implementing the lockref locking when CPUs are greater
> than 7, 7 or less will still use the normal optimized spinlocks.
>

I have seen that spinlock-lockref stuff is more important on that
monster-machines.
It's good to see it does not break "smaller" systems.

- Sedat -
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