linux-kernel - Re: [PATCH v3 RESEND 3/6] bitmap: Make bitmap

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Date: Wed, 21 Feb 2024 14:44:31 +0100
From: Herve Codina <herve.codina@...tlin.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Yury Norov <yury.norov@...il.com>, Vadim Fedorenko
 <vadim.fedorenko@...ux.dev>, "David S. Miller" <davem@...emloft.net>, Eric
 Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo
 Abeni <pabeni@...hat.com>, Rasmus Villemoes <linux@...musvillemoes.dk>,
 linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
 linuxppc-dev@...ts.ozlabs.org, Andrew Lunn <andrew@...n.ch>, Mark Brown
 <broonie@...nel.org>, Christophe Leroy <christophe.leroy@...roup.eu>,
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v3 RESEND 3/6] bitmap: Make bitmap_onto() available to
 users

Hi Andy, Yury,

On Thu, 15 Feb 2024 21:17:23 +0200
Andy Shevchenko <andriy.shevchenko@...ux.intel.com> 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.

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

Hervé