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Re: [PATCH 0/2] i386/a-b-bootblock: zero the first byte of each page on


From: Daniil Tatianin
Subject: Re: [PATCH 0/2] i386/a-b-bootblock: zero the first byte of each page on start
Date: Wed, 27 Sep 2023 00:16:32 +0300

27.09.2023, 00:02, "Peter Xu" <peterx@redhat.com>:

On Thu, Sep 07, 2023 at 10:29:42PM +0300, Daniil Tatianin wrote:

 This series fixes an issue where the outcome of the migration qtest
 relies on the initial memory contents all being the same across the
 first 100MiB of RAM, which is a very fragile invariant.
 
 We fix this by making sure we zero the first byte of every testable page
 in range beforehand.


What's the difference between this one and:

20230907193051.1609310-1-d-tatianin@yandex-team.ru" rel="noopener noreferrer">https://lore.kernel.org/r/20230907193051.1609310-1-d-tatianin@yandex-team.ru

?

There's a v2 version of this series that adds a fix for a similar issue in s390x as well, please look at that one instead.

Thanks,
 

--
Peter Xu
 

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