linux-kernel - Re: [PATCH v5 0/8] bitmap: cleanup bitmap_*

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Message-ID: <ZStVXLWoWwDinETO@yury-ThinkPad>
Date:   Sat, 14 Oct 2023 19:58:36 -0700
From:   Yury Norov <yury.norov@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>
Subject: Re: [PATCH v5 0/8] bitmap: cleanup bitmap_*_region() implementation

OK, if no objections, moving this to bitmap-for-next.

On Fri, Oct 06, 2023 at 09:44:04AM -0700, Yury Norov wrote:
> Ping?
> 
> On Sun, Sep 24, 2023 at 07:38:09PM -0700, Yury Norov wrote:
> > bitmap_{allocate,find_free,release}_region() functions are implemented
> > on top of _reg_op() machinery. It duplicates existing generic functionality
> > with no benefits. In fact, generic alternatives may work even better
> > because they optimized for small_const_nbits() case and overall very well
> > optimized for performance and code generation.
> > 
> > This series drops _reg_op() entirely.
> > 
> > v2: https://lore.kernel.org/lkml/20230811005732.107718-2-yury.norov@gmail.com/T/
> > v3: https://lore.kernel.org/lkml/20230815233628.45016-2-yury.norov@gmail.com/T/
> > v4: https://lore.kernel.org/lkml/20230829023911.64335-1-yury.norov@gmail.com/T/
> > v5: - fix bitmap_release_region() implementation;
> >     - address nits for commits comments.
> > 
> > Yury Norov (8):
> >   bitmap: align __reg_op() wrappers with modern coding style
> >   bitmap: add test for bitmap_*_region() functions
> >   bitmap: fix opencoded bitmap_allocate_region()
> >   bitmap: replace _reg_op(REG_OP_ALLOC) with bitmap_set()
> >   bitmap: replace _reg_op(REG_OP_RELEASE) with bitmap_clear()
> >   bitmap: replace _reg_op(REG_OP_ISFREE) with find_next_bit()
> >   bitmap: drop _reg_op() function
> >   bitmap: move bitmap_*_region() functions to bitmap.h
> > 
> >  include/linux/bitmap.h |  63 ++++++++++++++++++-
> >  lib/bitmap.c           | 140 -----------------------------------------
> >  lib/test_bitmap.c      |  24 +++++++
> >  3 files changed, 84 insertions(+), 143 deletions(-)
> > 
> > -- 
> > 2.39.2