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From: Nishanth Aravamudan <nacc@linux.vnet.ibm.com>
To: Eduardo Habkost <ehabkost@redhat.com>
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>,
	qemu-ppc@nongnu.org, qemu-devel@nongnu.org,
	Alexander Graf <agraf@suse.de>
Subject: Re: [Qemu-devel] [PATCH 0/7] spapr: rework memory nodes
Date: Tue, 17 Jun 2014 11:38:16 -0700	[thread overview]
Message-ID: <20140617183815.GQ16644@linux.vnet.ibm.com> (raw)
In-Reply-To: <20140617140700.GG3222@otherpad.lan.raisama.net>

On 17.06.2014 [11:07:00 -0300], Eduardo Habkost wrote:
<snip>
> > If it is canonical and kosher way of using NUMA in QEMU, ok, we can use it.
> > I just fail to see why we need a requirement for nodes to go consequently
> > here. And it confuses me as a user a bit if I can add "-numa
> > node,nodeid=22" (no memory, no cpus) but do not get to see it in the guest.
> 
> I agree with you it is confusing. But before we support that use case,
> we need to make sure auto-allocation is handled properly, because it
> would be hard to fix it later without breaking compatibility.
> 
> We probably just need a "present" field on struct NodeInfo, so
> machine-specific code and auto-allocation code can differentiate nodes
> that are not present on the command-line from empty nodes that were
> specified in the command-line.

What/where is struct NodeInfo?

Thanks,
Nish

  reply	other threads:[~2014-06-17 18:39 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-16  7:53 [Qemu-devel] [PATCH 0/7] spapr: rework memory nodes Alexey Kardashevskiy
2014-06-16  7:53 ` [Qemu-devel] [PATCH 1/7] spapr: Move DT memory node rendering to a helper Alexey Kardashevskiy
2014-06-16  7:53 ` [Qemu-devel] [PATCH 2/7] spapr: Use DT memory node rendering helper for other nodes Alexey Kardashevskiy
2014-06-16  7:53 ` [Qemu-devel] [PATCH 3/7] spapr: Refactor spapr_populate_memory() Alexey Kardashevskiy
2014-06-18  5:04   ` Alexey Kardashevskiy
2014-06-20 19:10   ` Nishanth Aravamudan
2014-06-21  3:08     ` Alexey Kardashevskiy
2014-06-23 17:41       ` Nishanth Aravamudan
2014-06-23 22:02         ` Alexey Kardashevskiy
2014-06-20 22:55   ` Nishanth Aravamudan
2014-06-21  3:06     ` Alexey Kardashevskiy
2014-06-23 17:40       ` Nishanth Aravamudan
2014-06-24  6:07         ` Alexey Kardashevskiy
2014-06-24 17:07           ` Nishanth Aravamudan
2014-06-24  3:08       ` Nishanth Aravamudan
2014-06-24  6:14         ` Alexey Kardashevskiy
2014-06-24 17:01           ` Nishanth Aravamudan
2014-07-21 18:08           ` Nishanth Aravamudan
2014-06-16  7:53 ` [Qemu-devel] [PATCH 4/7] spapr: Split memory nodes to power-of-two blocks Alexey Kardashevskiy
2014-06-17  7:07   ` Alexey Kardashevskiy
2014-06-16  7:53 ` [Qemu-devel] [PATCH 5/7] spapr: Add a helper for node0_size calculation Alexey Kardashevskiy
2014-06-16 18:43   ` Nishanth Aravamudan
2014-06-16  7:53 ` [Qemu-devel] [PATCH 6/7] spapr: Fix ibm, associativity for memory nodes Alexey Kardashevskiy
2014-06-16  7:53 ` [Qemu-devel] [PATCH 7/7] numa: Allow empty nodes Alexey Kardashevskiy
2014-06-16 16:15   ` Eduardo Habkost
2014-06-16 18:49     ` Nishanth Aravamudan
2014-06-16 20:11       ` Eduardo Habkost
2014-06-16 20:31         ` Eduardo Habkost
2014-06-17  0:21           ` Nishanth Aravamudan
2014-06-17  0:16         ` Nishanth Aravamudan
2014-06-16  8:16 ` [Qemu-devel] [PATCH 0/7] spapr: rework memory nodes Alexey Kardashevskiy
2014-06-16 18:26   ` Nishanth Aravamudan
2014-06-16 20:51   ` Eduardo Habkost
2014-06-17  0:25     ` Nishanth Aravamudan
2014-06-17  1:37       ` Eduardo Habkost
2014-06-17 18:36         ` Nishanth Aravamudan
2014-06-17  1:41       ` Eduardo Habkost
2014-06-17 18:37         ` Nishanth Aravamudan
2014-06-17  5:51     ` Alexey Kardashevskiy
2014-06-17 14:07       ` Eduardo Habkost
2014-06-17 18:38         ` Nishanth Aravamudan [this message]
2014-06-17 19:22           ` Eduardo Habkost
2014-06-18 18:28             ` Nishanth Aravamudan
2014-06-18 19:33               ` Eduardo Habkost
2014-06-18 23:58                 ` Nishanth Aravamudan

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