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RE: [PATCH v8 0/6] Device tree based NUMA support for Arm - Part#2
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Wei Chen <Wei.Chen@xxxxxxx>
- Date: Mon, 14 Nov 2022 08:14:44 +0000
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- Cc: nd <nd@xxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Mon, 14 Nov 2022 08:15:15 +0000
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- Thread-topic: [PATCH v8 0/6] Device tree based NUMA support for Arm - Part#2
Hi Jan,
> -----Original Message-----
> From: Jan Beulich <jbeulich@xxxxxxxx>
> Sent: 2022年11月14日 16:05
> To: Wei Chen <Wei.Chen@xxxxxxx>
> Cc: nd <nd@xxxxxxx>; Andrew Cooper <andrew.cooper3@xxxxxxxxxx>; Roger Pau
> Monné <roger.pau@xxxxxxxxxx>; Wei Liu <wl@xxxxxxx>; George Dunlap
> <george.dunlap@xxxxxxxxxx>; Julien Grall <julien@xxxxxxx>; Stefano
> Stabellini <sstabellini@xxxxxxxxxx>; xen-devel@xxxxxxxxxxxxxxxxxxxx
> Subject: Re: [PATCH v8 0/6] Device tree based NUMA support for Arm -
> Part#2
> > So in this patch series, we implement a set of NUMA API to use
> > device tree to describe the NUMA layout. We reuse most of the
> > code of x86 NUMA to create and maintain the mapping between
> > memory and CPU, create the matrix between any two NUMA nodes.
> > Except ACPI and some x86 specified code, we have moved other
> > code to common. In next stage, when we implement ACPI based
> > NUMA for Arm64, we may move the ACPI NUMA code to common too,
> > but in current stage, we keep it as x86 only.
> >
> > This patch serires has been tested and booted well on one
> > Arm64 NUMA machine and one HPE x86 NUMA machine.
> >
> > [1] https://lists.xenproject.org/archives/html/xen-devel/2022-
> 06/msg00499.html
> > [2] https://lists.xenproject.org/archives/html/xen-devel/2021-
> 09/msg01903.html
> >
> > ---
> > v7 -> v8:
> > 1. Rebase code to resolve merge conflict.
>
> You mention this here but not in any of the patches. Which leaves
> reviewers guessing where the re-base actually was: Re-bases, at
> least sometimes, also need (re-)reviewing.
>
I just applied the v7 to the latest staging branch, this work has not
Generated any new change for this series. I should have described it
clear or not mentioned this in cover letter. Sorry for confusing you!
Cheers,
Wei Chen
> Jan
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