Re: Queued Spin Lock.

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On Tue, Aug 11, 2009 at 4:12 PM, Prasad Joshi<prasadjoshi124@xxxxxxxxx> wrote:
> Hi All,
>
> I am working on Porting of a windows device driver to Linux. Windows has a
> notion of Queued Spinlock. I could not understand how it is different than
> normal spinlock, the document says it is faster than a normal spinlock.
If this is the only differece then you can try various spin_lock APIs,
depending upon your
 situation in the code. At most, you will receive slight performance hit.
>
> If any one is having more information on Queued Spinlock, please share.
Don't know as far as I am concerned.
>
> Is there any equivalent Spinlock in Linux to Queued Spinlock?
No such API is there, name-wise, If functioning of Queued Spinlock is
know, then someone can explain you about
equivalent call (may be sequence of different APIs call to acheive the
same effect) in linux.
>
> Thanks and Regards,
> Prasad
>

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