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Re: [PATCH 1/2] migration: Receiving a zero page non zero is an error
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From: |
Fabiano Rosas |
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Subject: |
Re: [PATCH 1/2] migration: Receiving a zero page non zero is an error |
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Date: |
Thu, 19 Oct 2023 18:22:38 -0300 |
Juan Quintela <quintela@redhat.com> writes:
> We don't allow non zero compressed pages since:
>
> commit 3edcd7e6ebae3ef0ac178eed5f4225803159562d
> Author: Peter Lieven <pl@kamp.de>
> Date: Tue Mar 26 10:58:35 2013 +0100
>
> migration: search for zero instead of dup pages
>
> RDMA case is a bit more complicated, but they don't handle it since:
>
> commit a1febc4950f2c6232c002f401d7cd409f6fa6a88
> Author: Richard Henderson <rth@twiddle.net>
> Date: Mon Aug 29 11:46:14 2016 -0700
>
> cutils: Export only buffer_is_zero
>
> Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>