linux-kernel - Re: [PATCH v2 0/2] random: fix some data races

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Message-ID: <20211220234030.GH641268@paulmck-ThinkPad-P17-Gen-1>
Date:   Mon, 20 Dec 2021 15:40:30 -0800
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Eric Biggers <ebiggers@...nel.org>
Cc:     Theodore Ts'o <tytso@....edu>,
        "Jason A . Donenfeld " <Jason@...c4.com>,
        linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org
Subject: Re: [PATCH v2 0/2] random: fix some data races

On Mon, Dec 20, 2021 at 04:41:55PM -0600, Eric Biggers wrote:
> This series fixes some data races in random.c.
> 
> Changed v1 => v2:
>    - Remove unneeded 'inline' keywords
>    - Use READ_ONCE() instead of smp_load_acquire()
>    - Updated commit message
>    - Added patch to fix data race on crng init time
> 
> Eric Biggers (2):
>   random: fix data race on crng_node_pool
>   random: fix data race on crng init time

>From a memory-ordering viewpoint:

Acked-by: Paul E. McKenney <paulmck@...nel.org>

>  drivers/char/random.c | 61 +++++++++++++++++++++++--------------------
>  1 file changed, 33 insertions(+), 28 deletions(-)
> 
> -- 
> 2.34.1
>