linux-kernel - Re: [PATCH 0/7] cpumask: repair cpumask

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

Date:   Sun, 25 Sep 2022 08:47:24 -0700
From:   Yury Norov <yury.norov@...il.com>
To:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        "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>,
        Yury Norov <yury.norov@...il.com>
Subject: Re: [PATCH 0/7] cpumask: repair cpumask_check()

Ping?

On Mon, Sep 19, 2022 at 2:06 PM Yury Norov <yury.norov@...il.com> wrote:
>
> After switching cpumask to use nr_cpu_ids in [1], cpumask_check() started
> generating many false-positive warnings. There are some more issues with
> the cpumask_check() that brake it.
>
> This series fixes cpumask_check() mess and addresses most of the
> false-positive warnings observed on boot of x86_64 and arm64.
>
> [1] https://lore.kernel.org/lkml/20220905230820.3295223-4-yury.norov@gmail.com/T/
>
> Yury Norov (7):
>   cpumask: fix checking valid cpu range
>   net: fix cpu_max_bits_warn() usage in netif_attrmask_next{,_and}
>   cpumask: switch for_each_cpu{,_not} to use for_each_bit()
>   lib/find_bit: add find_next{,_and}_bit_wrap
>   lib/bitmap: introduce for_each_set_bit_wrap() macro
>   lib/find: optimize for_each() macros
>   lib/bitmap: add tests for for_each() iterators
>
>  include/linux/cpumask.h   |  37 ++----
>  include/linux/find.h      | 140 +++++++++++++++++-----
>  include/linux/netdevice.h |  10 +-
>  lib/cpumask.c             |  12 +-
>  lib/test_bitmap.c         | 244 +++++++++++++++++++++++++++++++++++++-
>  5 files changed, 375 insertions(+), 68 deletions(-)
>
> --
> 2.34.1
>