Subject: Re: fsl booke MM vs. SMP questions

From: Dave Liu <[email-masked]>
Date: Wed, 23 May 2007 10:38:49 +0800

On Wed, 2007-05-23 at 08:42 +1000, Benjamin Herrenschmidt wrote:

> The IPIs should be buffered by the PIC ... delivered only once but

but what is the buffer depth for IPIs in the PIC?

> still. Also, IPI handling in linux is synchronous, there is an ack to
> wait for the remote function to complete.

ya. I got it.