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From: Segher Boessenkool <segher@kernel.crashing.org>
Subject: Re: [PATCH] powermac: support G5 CPU hotplug
Date: Thu, 3 May 2007 02:05:52 +0200
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org, Johannes Berg <johannes@sipsolutions.net>,
	Paul Mackerras <paulus@samba.org>
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>>> They have, but the cache flush is not trivial to do (and might imply
>>> access to non documented bits).
>>
>> It is (publicly) documented just fine :-)
>
> Ah good... you happen to have a pointer ? Last I looked, it wasn't ...

It's in the UM, search for "L2 cache flush".


Segher