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From: Yury Norov <yury.norov@gmail.com>
To: "Michał Mirosław" <mirq-linux@rere.qmqm.pl>
Cc: linux-kernel@vger.kernel.org,
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Subject: Re: [PATCH 01/17] all: don't use bitmap_weight() where possible
Date: Sat, 18 Dec 2021 15:28:29 -0800	[thread overview]
Message-ID: <CAAH8bW9uWW+t5TvkMt_e-sKp71hiLpXhXeuGuSZPK-3kds-GgQ@mail.gmail.com> (raw)
In-Reply-To: <Yb5dmqlYd3owtH29@qmqm.qmqm.pl>

On Sat, Dec 18, 2021 at 2:16 PM Michał Mirosław <mirq-linux@rere.qmqm.pl> wrote:
>
> On Sat, Dec 18, 2021 at 01:19:57PM -0800, Yury Norov wrote:
> > Don't call bitmap_weight() if the following code can get by
> > without it.
> >
> > Signed-off-by: Yury Norov <yury.norov@gmail.com>
> > ---
> >  drivers/net/dsa/b53/b53_common.c           | 6 +-----
> >  drivers/net/ethernet/broadcom/bcmsysport.c | 6 +-----
> >  drivers/thermal/intel/intel_powerclamp.c   | 9 +++------
> >  3 files changed, 5 insertions(+), 16 deletions(-)
> [...]
>
> Looks good,

Does it mean Acked-by, Reviewed-by, or something else?

> but I think this needs to be split per subsystem.

What you ask breaks rules:

Documentation/process/submitting-patches.rst:

Separate each **logical change** into a separate patch.

For example, if your changes include both bug fixes and performance
enhancements for a single driver, separate those changes into two
or more patches.  If your changes include an API update, and a new
driver which uses that new API, separate those into two patches.

On the other hand, if you make a single change to numerous files,
group those changes into a single patch.  Thus a single logical change
is contained within a single patch.

This is not a dead rule, refer for example the 96d4f267e40f9 ("Remove
'type' argument from access_ok() functioin.")

Or this: https://lkml.org/lkml/2021/6/14/1736

Thanks,
Yury

  reply	other threads:[~2021-12-18 23:28 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-18 21:19 [PATCH v2 00/17] lib/bitmap: optimize bitmap_weight() usage Yury Norov
2021-12-18 21:19 ` [PATCH 01/17] all: don't use bitmap_weight() where possible Yury Norov
2021-12-18 22:15   ` Michał Mirosław
2021-12-18 23:28     ` Yury Norov [this message]
2021-12-18 21:19 ` [PATCH 02/17] drivers: rename num_*_cpus variables Yury Norov
2021-12-18 21:19 ` [PATCH 03/17] fix open-coded for_each_set_bit() Yury Norov
2021-12-18 21:20 ` [PATCH 04/17] all: replace bitmap_weight with bitmap_empty where appropriate Yury Norov
2021-12-18 21:20 ` [PATCH 05/17] all: replace cpumask_weight with cpumask_empty " Yury Norov
2021-12-18 21:20 ` [PATCH 06/17] all: replace nodes_weight with nodes_empty " Yury Norov
2021-12-18 21:20 ` [PATCH 07/17] lib/bitmap: add bitmap_weight_{cmp,eq,gt,ge,lt,le} functions Yury Norov
2021-12-18 21:20 ` [PATCH 08/17] all: replace bitmap_weight with bitmap_weight_{eq,gt,ge,lt,le} where appropriate Yury Norov
2021-12-20 16:41   ` Greg Kroah-Hartman
2021-12-18 21:20 ` [PATCH 09/17] lib/cpumask: add cpumask_weight_{eq,gt,ge,lt,le} Yury Norov
2021-12-18 21:20 ` [PATCH 10/17] lib/nodemask: add nodemask_weight_{eq,gt,ge,lt,le} Yury Norov
2021-12-18 21:20 ` [PATCH 11/17] lib/nodemask: add num_node_state_eq() Yury Norov
2021-12-18 21:20 ` [PATCH 12/17] kernel/cpu.c: fix init_cpu_online Yury Norov
2021-12-18 21:20 ` [PATCH 13/17] kernel/cpu: add num_possible_cpus counter Yury Norov
2021-12-21 13:15   ` Peter Zijlstra
2021-12-18 21:20 ` [PATCH 14/17] kernel/cpu: add num_present_cpu counter Yury Norov
2021-12-21 13:14   ` Peter Zijlstra
2021-12-18 21:20 ` [PATCH 15/17] kernel/cpu: add num_active_cpu counter Yury Norov
2021-12-21 13:13   ` Peter Zijlstra
2021-12-18 21:20 ` [PATCH 16/17] tools/bitmap: sync bitmap_weight Yury Norov
2021-12-18 21:20 ` [PATCH 17/17] MAINTAINERS: add cpumask and nodemask files to BITMAP_API Yury Norov

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