* Re: Starting xen NUMA for ARM64 on ThunderX
[not found] <1424395831279.30318@caviumnetworks.com>
@ 2015-02-24 12:44 ` Stefano Stabellini
2015-02-24 12:58 ` Ian Campbell
0 siblings, 1 reply; 2+ messages in thread
From: Stefano Stabellini @ 2015-02-24 12:44 UTC (permalink / raw)
To: Jaggi, Manish
Cc: xen-devel, stefano.stabellini@citrix.com, David Vrabel,
Ian Campbell
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On Fri, 20 Feb 2015, Jaggi, Manish wrote:
> Hi Stefano / David,
>
>
> I am starting Xen on NUMA on ARM64 (Cavium ThunderX). Could you help with some pointers and test cases.
Hello Manish,
I would imaging that the first step would be to make sure that Xen
understands that two sockets are available on the system and make use of
both appropriately, ignoring memory locality.
The second step would be introducing understanding of memory locality in
the hypervisor, implementing xen/include/asm-arm/numa.h and the other
common functions appropriately. See xen/arch/x86/numa.c for the
implementation on x86.
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Starting xen NUMA for ARM64 on ThunderX
2015-02-24 12:44 ` Starting xen NUMA for ARM64 on ThunderX Stefano Stabellini
@ 2015-02-24 12:58 ` Ian Campbell
0 siblings, 0 replies; 2+ messages in thread
From: Ian Campbell @ 2015-02-24 12:58 UTC (permalink / raw)
To: Stefano Stabellini
Cc: Jaggi, Manish, xen-devel, stefano.stabellini@citrix.com,
David Vrabel
On Tue, 2015-02-24 at 12:44 +0000, Stefano Stabellini wrote:
> On Fri, 20 Feb 2015, Jaggi, Manish wrote:
> > Hi Stefano / David,
> >
> >
> > I am starting Xen on NUMA on ARM64 (Cavium ThunderX). Could you help with some pointers and test cases.
>
> Hello Manish,
>
> I would imaging that the first step would be to make sure that Xen
> understands that two sockets are available on the system and make use of
> both appropriately, ignoring memory locality.
>
> The second step would be introducing understanding of memory locality in
> the hypervisor, implementing xen/include/asm-arm/numa.h and the other
> common functions appropriately. See xen/arch/x86/numa.c for the
> implementation on x86.
... remembering that there may be opportunities to refactor the x86
stuff into common code rather than simply copying it.
Ian.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2015-02-24 12:44 ` Starting xen NUMA for ARM64 on ThunderX Stefano Stabellini
2015-02-24 12:58 ` Ian Campbell
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