Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18;
Date:   Tue, 29 Mar 2022 14:28:50 -0400
From:   "Theodore Ts'o" <tytso@mit.edu>
To:     Michael Brooks <m@sweetwater.ai>
Cc:     Eric Biggers <ebiggers@google.com>,
        Sasha Levin <sashal@kernel.org>, linux-kernel@vger.kernel.org,
        stable@vger.kernel.org, "Jason A. Donenfeld" <Jason@zx2c4.com>,
        Dominik Brodowski <linux@dominikbrodowski.net>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Jean-Philippe Aumasson <jeanphilippe.aumasson@gmail.com>
Subject: Re: [PATCH AUTOSEL 5.17 16/43] random: use computational hash for
 entropy extraction
Message-ID: <YkNP4mNOxA6pBqyi@mit.edu>
References: <20220328111828.1554086-1-sashal@kernel.org>
 <20220328111828.1554086-16-sashal@kernel.org>
 <YkH5mhYokPB87FtE@google.com>
 <YkMoCe+uX6UxfaeM@mit.edu>
 <CAOnCY6TNVHLX06mvMZFnNwVx3yE20qnqeGY7fbTx4c2XbyVVEw@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <CAOnCY6TNVHLX06mvMZFnNwVx3yE20qnqeGY7fbTx4c2XbyVVEw@mail.gmail.com>
Precedence: bulk

On Tue, Mar 29, 2022 at 10:34:49AM -0700, Michael Brooks wrote:
> I agree with Ted,  this patch is just to start the discussion on how
> we can safely remove these locks for the improvement of safety and
> security.  Both boot and interrupt benchmarks stand to benefit from a
> patch like this, so it is worth a deep dive.
> 
> Feedback welcome, I am always looking for ways I can be a better
> engineer, and a better hacker and a better person. And we are all here
> to make the very best kernel.

I think you're talking about a different patch than the one mentioned
in the subject line (which is upstream commit 6e8ec2552c7d, authored
by Jason)?

						- Ted