Hi!
On 01:07 Thu 19 Aug , Parmenides wrote:
> Hi,
>
> For a critical section protected by a spin lock, kernel preemption is
> disabled explicitly, probably to make the critical section atomic.
> But, suppose that an interrupt occures in this critical section,
> allowing interrupts can wreck the atomicity. So, why don't we disable
> interrupts as a critical section is executing?
When using spinlocks interrupts are disabled, because not doing so would be
completely broken.
-Michi
--
programing a layer 3+4 network protocol for mesh networks
see http://michaelblizek.twilightparadox.com
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