On 4/25/07, Rajat Jain <rajat.noida.india@xxxxxxxxx> wrote:
On 4/25/07, pradeep singh <2500.pradeep@xxxxxxxxx> wrote: > Hi All, > > What is significance of __ARCH_IRQ_EXIT_IRQS_DISABLED macro? > Hi Pradeep, This architecture specific macro if defined, means that the IRQs are guaranteed to be disabled when irq_exit() function is called. In such a case, the kernel may skip some instructions (disabling IRQs etc) .... and thus call __do_IRQ() instead of do_IRQ.
Great, thanks a lot for the help Rajat :-). ~psr
Thanks, Rajat (PS: Though, I could not make out if there is any architecture that could have IRQs enabled at the time irq_exit() is called).
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