Subject: Re: [PATCH] powerpc: Add write barrier before enabling DTL flags

From: Jeremy Kerr <[email-masked]>
Date: Tue, 24 Mar 2009 16:59:54 +1100

Michael,

> Wouldn't this still be a problem on a UP kernel?

I don't believe so - stores should be ordered with respect to the 
current CPU, and in the UP case we still get a barrier().

However, perhaps there are other considerations with the HV that I'm not 
aware of. Anyone?

Cheers,

Jeremy