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Re: [PATCH 0/8] Make PDX compression optional
- To: Alejandro Vallejo <alejandro.vallejo@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 18 Jul 2023 15:06:26 +0200
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Tue, 18 Jul 2023 13:06:41 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 18.07.2023 14:58, Alejandro Vallejo wrote:
> I believe the burden of proof is reversed. Features bring complexity, and
> complexity increases the chances of introducing bugs. It's the presence of
> a feature that ought to be backed by a proof-of-requirement, not its
> absence.
The feature was introduced to support hardware a partner of ours was
working on at the time. Xen wouldn't have worked very well there
without these additions. It is beyond my control or knowledge whether
any such system has ever made it into the public. So at the time of
its introduction, the need for this code was well justified imo.
Jan
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