qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [RFC PATCH] Exporting Guest RAM information for NUMA bi


From: Chris Wright
Subject: Re: [Qemu-devel] [RFC PATCH] Exporting Guest RAM information for NUMA binding
Date: Wed, 30 Nov 2011 08:33:27 -0800
User-agent: Mutt/1.5.20 (2009-08-17)

* Peter Zijlstra (address@hidden) wrote:
> On Wed, 2011-11-30 at 21:52 +0530, Dipankar Sarma wrote:
> > 
> > Also, if at all topology changes due to migration or host kernel decisions,
> > we can make use of something like VPHN (virtual processor home node)
> > capability on Power systems to have guest kernel update its topology
> > knowledge. You can refer to that in
> > arch/powerpc/mm/numa.c. 
> 
> I think that fail^Wfeature of PPC is terminally broken. You simply
> cannot change the topology after the fact. 

Agreed, there's too many things that consult topology once and never
look back.



reply via email to

[Prev in Thread] Current Thread [Next in Thread]