linux-kernel - [PATCH v2 0/4] bitmap: unify for_each

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210719021755.883182-1-yury.norov@gmail.com>
Date:   Sun, 18 Jul 2021 19:17:51 -0700
From:   Yury Norov <yury.norov@...il.com>
To:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linux-mmc@...r.kernel.org
Cc:     Yury Norov <yury.norov@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Tejun Heo <tj@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Dennis Zhou <dennis@...nel.org>,
        Christoph Lameter <cl@...ux.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH v2 0/4] bitmap: unify for_each_bit() macros

Replace bitmap_for_each_bit_region() with for_each_set_bitrange()
and ~30 times improve bitmap_list_string() with new macro.

On top of:
https://lore.kernel.org/lkml/YNp3extAkTY8Aocd@yury-ThinkPad/T/ and
https://lore.kernel.org/lkml/YNirnaYw1GSxg1jK@yury-ThinkPad/T/

The full series is here:
https://github.com/norov/linux/commits/bitmap-20210716

v1: https://lore.kernel.org/patchwork/patch/1455255/
v2: - replace bitmap_for_each_bit_region();
    - address comments for bitmap_list_string() rework. 

Yury Norov (4):
  mm/percpu: micro-optimize pcpu_is_populated()
  bitmap: unify find_bit operations
  lib: bitmap: add performance test for bitmap_print_to_pagebuf
  vsprintf: rework bitmap_list_string

 drivers/mmc/host/renesas_sdhi_core.c |  2 +-
 include/linux/bitmap.h               | 41 --------------------
 include/linux/find.h                 | 56 ++++++++++++++++++++++++++++
 lib/test_bitmap.c                    | 37 ++++++++++++++++++
 lib/vsprintf.c                       | 24 ++++--------
 mm/percpu.c                          | 35 ++++++++---------
 6 files changed, 117 insertions(+), 78 deletions(-)

-- 
2.30.2