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 6F6A1C433F5 for ; Thu, 24 Feb 2022 07:49:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230463AbiBXHtv (ORCPT ); Thu, 24 Feb 2022 02:49:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36208 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229908AbiBXHtr (ORCPT ); Thu, 24 Feb 2022 02:49:47 -0500 Received: from isilmar-4.linta.de (isilmar-4.linta.de [136.243.71.142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 428B517CC49 for ; Wed, 23 Feb 2022 23:49:18 -0800 (PST) X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES Received: from owl.dominikbrodowski.net (owl.brodo.linta [10.2.0.111]) by isilmar-4.linta.de (Postfix) with ESMTPSA id A8B072000AF; Thu, 24 Feb 2022 07:49:15 +0000 (UTC) Received: by owl.dominikbrodowski.net (Postfix, from userid 1000) id F3C7280943; Thu, 24 Feb 2022 08:48:34 +0100 (CET) Date: Thu, 24 Feb 2022 08:48:34 +0100 From: Dominik Brodowski To: "Jason A. Donenfeld" Cc: linux-kernel@vger.kernel.org, Theodore Ts'o Subject: Re: [PATCH] random: only wake up writers after zap if threshold was passed Message-ID: References: <20220222130503.45043-1-Jason@zx2c4.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220222130503.45043-1-Jason@zx2c4.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Tue, Feb 22, 2022 at 02:05:03PM +0100 schrieb Jason A. Donenfeld: > The only time that we need to wake up /dev/random writers on > RNDCLEARPOOL/RNDZAPPOOL is when we're changing from a value that is > greater than or equal to POOL_MIN_BITS to zero, because if we're > changing from below POOL_MIN_BITS to zero, the writers are already > unblocked. > > Cc: Dominik Brodowski > Cc: Theodore Ts'o > Signed-off-by: Jason A. Donenfeld Reviewed-by: Dominik Brodowski Thanks, Dominik