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Re: [PATCH 4/9] xen/bitops: Drop the remnants of hweight{8,16}()
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 27 Aug 2024 12:11:53 +0200
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- Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>, Shawn Anastasio <sanastasio@xxxxxxxxxxxxxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Tue, 27 Aug 2024 10:12:04 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 27.08.2024 11:49, Andrew Cooper wrote:
> On 26/08/2024 11:39 am, Jan Beulich wrote:
>> On 23.08.2024 01:06, Andrew Cooper wrote:
>>> They are no more, and won't be returning in this form.
>> And what's the plan? Use hweight32((uint8_t)...) in an open-coded manner?
>> Not overly nice I would say.
>
> If we ever regain a genuine need for the 8 or 16 forms, they can go back
> into bitops.h, in terms of hweightl(), just like hweight32().
>
> But it's been 20 years so far and we haven't actually needed
> hweight8/16, and I'm expecting this to continue for the forseeable future.
Well, I'm not fully convinced. People may (try to) add open-coded forms like
in my earlier reply instead. But anyway:
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
Jan
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