From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7B18FC433F5 for ; Tue, 29 Mar 2022 18:29:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240507AbiC2Sav (ORCPT ); Tue, 29 Mar 2022 14:30:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240239AbiC2Sat (ORCPT ); Tue, 29 Mar 2022 14:30:49 -0400 Received: from outgoing.mit.edu (outgoing-auth-1.mit.edu [18.9.28.11]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EAECB13CEA; Tue, 29 Mar 2022 11:29:05 -0700 (PDT) Received: from cwcc.thunk.org (pool-108-7-220-252.bstnma.fios.verizon.net [108.7.220.252]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 22TISouK030141 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 29 Mar 2022 14:28:51 -0400 Received: by cwcc.thunk.org (Postfix, from userid 15806) id 87C3315C3ECA; Tue, 29 Mar 2022 14:28:50 -0400 (EDT) Date: Tue, 29 Mar 2022 14:28:50 -0400 From: "Theodore Ts'o" To: Michael Brooks Cc: Eric Biggers , Sasha Levin , linux-kernel@vger.kernel.org, stable@vger.kernel.org, "Jason A. Donenfeld" , Dominik Brodowski , Greg Kroah-Hartman , Jean-Philippe Aumasson Subject: Re: [PATCH AUTOSEL 5.17 16/43] random: use computational hash for entropy extraction Message-ID: References: <20220328111828.1554086-1-sashal@kernel.org> <20220328111828.1554086-16-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 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