Rajat San,

Just asking (since i didn't see spinlock implementation in kernel src),

On Tue, Oct 6, 2009 at 5:52 PM, Rajat Jain <rajat.j...@infogain.com> wrote:

>
> Hello Govind,
>
> > What happens when you go for spin locks without
> > disabling kernel preemption? Suppose you acquire
> > a spin lock in a system call handler (a service
> > routine on behalf of a user mode process) with
> > kernel preemption enabled.
>
> This is not possible. Spin lock APIs disable kernel preemption
> automatically.
>

Spin lock APIs disables kernel preemption in all its api or some specific
apis only. Please confirm and elaborate.




>
> Thanks,
>
> Rajat
>
>


Best regards,
Krishna

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