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Re: [Qemu-devel] [RFC PATCH] Exporting Guest RAM information for NUMA bi
From: |
Peter Zijlstra |
Subject: |
Re: [Qemu-devel] [RFC PATCH] Exporting Guest RAM information for NUMA binding |
Date: |
Wed, 30 Nov 2011 17:25:15 +0100 |
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.
- Re: [Qemu-devel] [RFC PATCH] Exporting Guest RAM information for NUMA binding, (continued)
- Re: [Qemu-devel] [RFC PATCH] Exporting Guest RAM information for NUMA binding, Peter Zijlstra, 2011/11/21
- Re: [Qemu-devel] [RFC PATCH] Exporting Guest RAM information for NUMA binding, Anthony Liguori, 2011/11/21
- Re: [Qemu-devel] [RFC PATCH] Exporting Guest RAM information for NUMA binding, Andrea Arcangeli, 2011/11/23
- Re: [Qemu-devel] [RFC PATCH] Exporting Guest RAM information for NUMA binding, Alexander Graf, 2011/11/23
- Re: [Qemu-devel] [RFC PATCH] Exporting Guest RAM information for NUMA binding, Andrea Arcangeli, 2011/11/23
- Re: [Qemu-devel] [RFC PATCH] Exporting Guest RAM information for NUMA binding, Dipankar Sarma, 2011/11/30
- Re: [Qemu-devel] [RFC PATCH] Exporting Guest RAM information for NUMA binding,
Peter Zijlstra <=
- Re: [Qemu-devel] [RFC PATCH] Exporting Guest RAM information for NUMA binding, Chris Wright, 2011/11/30
- Re: [Qemu-devel] [RFC PATCH] Exporting Guest RAM information for NUMA binding, Andrea Arcangeli, 2011/11/30
- Re: [Qemu-devel] [RFC PATCH] Exporting Guest RAM information for NUMA binding, Avi Kivity, 2011/11/21
- Re: [Qemu-devel] [RFC PATCH] Exporting Guest RAM information for NUMA binding, Peter Zijlstra, 2011/11/21