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Re: [PATCH 2/6] xen/bitops: Rename for_each_set_bit() to bitmap_for_each()
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Michal Orzel <michal.orzel@xxxxxxx>
- Date: Mon, 1 Jul 2024 09:22:30 +0200
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- Cc: Jan Beulich <JBeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, "Julien Grall" <julien@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- Delivery-date: Mon, 01 Jul 2024 07:22:47 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 25/06/2024 21:07, Andrew Cooper wrote:
>
>
> The current implementation wants to take an in-memory bitmap. However, all
> ARM callers and all-but-1 x86 callers spill a scalar to the stack in order to
> use the "generic arbitrary bitmap" helpers under the hood.
>
> This functions, but it's far from ideal.
>
> Rename the construct and move it into bitmap.h, because having an iterator for
> an arbitrary bitmap is a useful thing.
>
> This will allow us to re-implement for_each_set_bit() to be more appropriate
> for scalar values.
>
> No functional change.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Acked-by: Michal Orzel <michal.orzel@xxxxxxx>
~Michal
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