Re: [PATCH v3 RESEND 3/6] bitmap: Make bitmap_onto() available to users

From: Andy Shevchenko
Date: Wed Feb 21 2024 - 09:30:29 EST


On Wed, Feb 21, 2024 at 02:44:31PM +0100, Herve Codina wrote:
> On Thu, 15 Feb 2024 21:17:23 +0200
> Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:

[...]

> > > Now what's the plan ?
> > > Andy, do you want to send a v2 of this patch or may I get the patch, modify it
> > > according to reviews already present in v1 and integrate it in my current
> > > series ?
> >
> > I would like to do that, but under pile of different things.
> > I would try my best but if you have enough time and motivation feel free
> > to take over, address the comments and integrate in your series.
> >
> > I dunno what to do with bitmap_onto(), perhaps in a separate patch we can
> > replace it with bitmap_scatter() (IIUC) with explanation that the former
> > 1) uses atomic ops while being non-atomic as a whole, and b) having quite
> > hard to get documentation. At least that's how I see it, I mean that I would
> > like to leave bitmap_onto() alone and address it separately.
>
> I will take the Andy's bitmap_{scatter,gather}() patch in my next iteration.
> And use bitmap_{scatter,gather}() in my code.

Thank you and sorry that I have no time to finish that. I will be happy to help
reviewing if you Cc me.

> For bitmap_onto() replacement, nothing will be done in my next iteration as
> it is out of this series scope.

I agree on this. This will be a separate logical change related to NUMA with
explanation and replacement of all callers at once.

--
With Best Regards,
Andy Shevchenko