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Re: [PATCH v2 01/15] migration: Take bitmap mutex when completing ram mi
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From: |
Juan Quintela |
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Subject: |
Re: [PATCH v2 01/15] migration: Take bitmap mutex when completing ram migration |
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Date: |
Mon, 14 Nov 2022 16:06:48 +0100 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) |
Peter Xu <peterx@redhat.com> wrote:
> Any call to ram_find_and_save_block() needs to take the bitmap mutex. We
> used to not take it for most of ram_save_complete() because we thought
> we're the only one left using the bitmap, but it's not true after the
> preempt full patchset applied, since the return path can be taking it too.
>
> Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
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