Thank you for your replies....

Regards,
Mansha

On 9/19/07, Jiri Kosina <[EMAIL PROTECTED]> wrote:
>
> On Wed, 19 Sep 2007, Mansha Linux wrote:
>
> > Could you please explain me why do we need the spinlocks on uniprocessor
> > machines? Is this the only reason that the kernel is preemptive ?
>
> Yes, spinlocks on UP are needed only for preemptible kernels -- they mark
> points in which preemption should not be enabled.
>
> On non-preempt UP kernel, spinlocks go away.
>
> --
> Jiri Kosina
>
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-- 
Regards
Mansing.

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