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Re: [PATCH v3 4/4] pdx: Add CONFIG_PDX_COMPRESSION as a common Kconfig option
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 25 Sep 2023 08:36:03 +0200
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- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Julien Grall <jgrall@xxxxxxxxxx>, Henry Wang <Henry.Wang@xxxxxxx>, Alejandro Vallejo <alejandro.vallejo@xxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Shawn Anastasio <sanastasio@xxxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Mon, 25 Sep 2023 06:36:15 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 22.09.2023 22:03, Andrew Cooper wrote:
> On 08/08/2023 2:02 pm, Alejandro Vallejo wrote:
>> --- a/xen/common/Kconfig
>> +++ b/xen/common/Kconfig
>> @@ -23,6 +23,16 @@ config GRANT_TABLE
>>
>> If unsure, say Y.
>>
>> +config PDX_COMPRESSION
>> + bool "PDX (Page inDeX) compression support" if EXPERT
>
> This still needs hiding on x86. The minimal hack for 4.18 is "if EXPERT
> && !X86".
If you insist on complete hiding and I insist on allowing it to be used by
people who want to play with exotic hardware, then this won't go anywhere.
I think I've come far enough with accepting a compromise, and so I think
it's your turn now to also take a step from your original position.
Jan
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