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Re: [PATCH v2 07/15] migration: Use atomic ops properly for page account
From: |
Juan Quintela |
Subject: |
Re: [PATCH v2 07/15] migration: Use atomic ops properly for page accountings |
Date: |
Mon, 14 Nov 2022 16:14:27 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) |
Peter Xu <peterx@redhat.com> wrote:
> To prepare for thread-safety on page accountings, at least below counters
> need to be accessed only atomically, they are:
>
> ram_counters.transferred
> ram_counters.duplicate
> ram_counters.normal
> ram_counters.postcopy_bytes
>
> There are a lot of other counters but they won't be accessed outside
> migration thread, then they're still safe to be accessed without atomic
> ops.
>
> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
NICE!!!!!!
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