Re: [PATCH] 2.6.18-rt7: PowerPC: fix breakage in threaded fasteoitype IRQ handlers

From: Sergei Shtylyov
Date: Sun Nov 19 2006 - 15:43:32 EST


Hello.

Sergei Shtylyov wrote:

On MPIC or XICS, this is implicit by reading the vector. On some more
dumb controllers, this has to be done explicitely.

This is not implicit -- CPU has to read INTACK reg. on OpenPIC. Really

Sorry, it's the same for x86 version of OpenPIC according to spec. I meant the PPC implementation here.

Ben.

WBR, Sergei
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