[PATCH] 2.6.18-rt7: PowerPC: fix breakage in threaded fasteoi type IRQ handlers

Ingo Molnar mingo at elte.hu
Tue Nov 21 03:56:21 EST 2006


* Sergei Shtylyov <sshtylyov at ru.mvista.com> wrote:

> >on PPC64, 'get the vector' initiates an ACK as well - is that done 
> >before handle_irq() is done?
> 
>    Exactly. How else do_IRQ() would know the vector?

the reason i'm asking is that in this case masking is a bit late at this 
point and there's a chance for a repeat interrupt.

	Ingo



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