[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH v1 0/2] i386/a-b-bootblock: zero the first byte of each page
From: |
Peter Xu |
Subject: |
Re: [PATCH v1 0/2] i386/a-b-bootblock: zero the first byte of each page on start |
Date: |
Wed, 13 Sep 2023 15:22:41 -0400 |
On Thu, Sep 07, 2023 at 10:30:49PM +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.
>
> Daniil Tatianin (2):
> i386/a-b-bootblock: factor test memory addresses out into constants
> i386/a-b-bootblock: zero the first byte of each page on start
Thanks, sorry for being slow on review.
Reviewed-by: Peter Xu <peterx@redhat.com>
How about other archs (arm/s390)? It seems to me arm is all fine, but not
sure about s390.
--
Peter Xu