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Re: [Qemu-devel] [PATCH v5 3/6] spapr: Support ibm, dynamic-reconfigurat
From: |
David Gibson |
Subject: |
Re: [Qemu-devel] [PATCH v5 3/6] spapr: Support ibm, dynamic-reconfiguration-memory |
Date: |
Fri, 26 Jun 2015 15:28:29 +1000 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Thu, Jun 25, 2015 at 11:44:12AM +0530, Bharata B Rao wrote:
> Parse ibm,architecture.vec table obtained from the guest and enable
> memory node configuration via ibm,dynamic-reconfiguration-memory if guest
> supports it. This is in preparation to support memory hotplug for
> sPAPR guests.
>
> This changes the way memory node configuration is done. Currently all
> memory nodes are built upfront. But after this patch, only address@hidden node
> for RMA is built upfront. Guest kernel boots with just that and rest of
> the memory nodes (via address@hidden or ibm,dynamic-reconfiguration-memory)
> are built when guest does ibm,client-architecture-support call.
>
> Note: This patch needs a SLOF enhancement which is already part of
> SLOF binary in QEMU.
>
> Signed-off-by: Bharata B Rao <address@hidden>
Reviewed-by: David Gibson <address@hidden>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
pgp6bm82IGf18.pgp
Description: PGP signature
- [Qemu-devel] [PATCH v5 0/6] Memory hotplug for PowerPC sPAPR guests, Bharata B Rao, 2015/06/25
- [Qemu-devel] [PATCH v5 1/6] spapr: Initialize hotplug memory address space, Bharata B Rao, 2015/06/25
- [Qemu-devel] [PATCH v5 3/6] spapr: Support ibm, dynamic-reconfiguration-memory, Bharata B Rao, 2015/06/25
- Re: [Qemu-devel] [PATCH v5 3/6] spapr: Support ibm, dynamic-reconfiguration-memory,
David Gibson <=
- [Qemu-devel] [PATCH v5 5/6] spapr: Memory hotplug support, Bharata B Rao, 2015/06/25
- [Qemu-devel] [PATCH v5 4/6] spapr: Make hash table size a factor of maxram_size, Bharata B Rao, 2015/06/25
- [Qemu-devel] [RFC PATCH v5 6/6] spapr: Don't allow memory hotplug to memory less nodes, Bharata B Rao, 2015/06/25
- [Qemu-devel] [PATCH v5 2/6] spapr: Add LMB DR connectors, Bharata B Rao, 2015/06/25
- Re: [Qemu-devel] [PATCH v5 0/6] Memory hotplug for PowerPC sPAPR guests, David Gibson, 2015/06/26