Received: by 2002:a25:1506:0:0:0:0:0 with SMTP id 6csp2269033ybv; Fri, 21 Feb 2020 12:08:50 -0800 (PST) X-Google-Smtp-Source: APXvYqxMD7KqJpW96edvS/yP3mRbrSLwZbmQcp5lnEQ6g0qfofDSZuJgaxSXPJY8w4VjHPbQkgqF X-Received: by 2002:a9d:774e:: with SMTP id t14mr29204752otl.358.1582315730459; Fri, 21 Feb 2020 12:08:50 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1582315730; cv=none; d=google.com; s=arc-20160816; b=eElXFPn+y0T4hducVXltdqOMzO6zt/pBxtl0rvBiv/2WIznRjzLMAp6YXhZWWDYa9z ofT6EKa+DGkbWmYM+GJahPW73BGLn5RKdDyF2ilfl0L1b1d4X7ILenPzWSJ5wHUD7BmL FeZKTLefVWhpPpfAnp9H8uz9LdK1Zvv+NaxAFLw6V3bJweIQK3aXK8wXQIaVvv3ZO9r0 1V8zNwpT+h4W8RZEGBL++TQxYdVhpQNBgRe6GtSRcX2NivkE2WMwDSn2vWm70qsCX4jb 32J8DkovKmH3XA49XYUhBU3Xz85GbV8A19xBpa/Q32WNP9ZPVxCtJcFCBIsyszZ+DT5U /JRA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=JyI5brE06E5aOZYPItOrFRNUZ266oK36kpmzOnPq9n4=; b=L6C2gP39jJ0fobdjTbX2VZ/Q0+cH1Hmf8GXgfvxtCkZDmToKbjfFKd8FAo1birGvj6 GDiiIGg3J7xsAFPHA+k74sOMJQ4e0jaFcegy9mcpAhueAPmJGu1YmS1iv2dwtuiFC5XB dRjF1oNuMASqEXyscvQkObXWzOPePrq16wuOQi4ebwPEC8ao0GI6/M6xGwQ8RKbs3DR5 ngKwbR22fY4yMN+gb/DpoBSgDpjPQElrNYMJ7FKJpbzu4HglrF9cvICVPXtLxnMATyTL UQZ+Dkpwld1Q2TOkYZ3DOqlcnfOAFAt4KTcw2oBg394zszhW3z24Cke7mv5qUqsmvsq1 UoxQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@zx2c4.com header.s=mail header.b=h7EHvq5q; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=zx2c4.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id d2si1916198ote.9.2020.02.21.12.08.35; Fri, 21 Feb 2020 12:08:50 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@zx2c4.com header.s=mail header.b=h7EHvq5q; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=zx2c4.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726725AbgBUUIC (ORCPT + 99 others); Fri, 21 Feb 2020 15:08:02 -0500 Received: from frisell.zx2c4.com ([192.95.5.64]:55573 "EHLO frisell.zx2c4.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726443AbgBUUIC (ORCPT ); Fri, 21 Feb 2020 15:08:02 -0500 Received: by frisell.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 28b96ee4 for ; Fri, 21 Feb 2020 20:04:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=zx2c4.com; h=mime-version :references:in-reply-to:from:date:message-id:subject:to:cc :content-type; s=mail; bh=xaT6U+7r5DWNn/RyaLpE6FoLqYA=; b=h7EHvq 5q60k6s1XEO5qK4+vQhKyckJPA9nnSVWoD8PSZVpp1RP6143SDY92jAtwwcznB44 UPBoixeWMo+WUR7CPKVY5yPlQ4eu/h5zfRbrVlfTs4yg7+k4kQK9pf55tVxvuDLs GBvUhj0pOSS5i+6xNDUnWfIpy/tk/oolw1CKNFOpeUpWWr4EIAGOnRjKEV7MJKS7 vMy3uYdVkJ68NGLmFBnZUZBH8PdncLIHz7B48q4nLVzyPiRTNzhQR2yxZMIf3470 +emXoEShPIZVvRIChopGh91T8xHKdzCAESAI5ZJ5jQ7R4q7eX8JvJu+CsLyOoNI7 qOZh0MVEAX3V1niQ== Received: by frisell.zx2c4.com (ZX2C4 Mail Server) with ESMTPSA id 01e1f722 (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256:NO) for ; Fri, 21 Feb 2020 20:04:57 +0000 (UTC) Received: by mail-oi1-f176.google.com with SMTP id c16so2832877oic.3 for ; Fri, 21 Feb 2020 12:07:59 -0800 (PST) X-Gm-Message-State: APjAAAVtRdjwRFbNwS53u7bWosCa/gUfnlCSYXtg6ZcjQBh7mO3uR2w8 f0Bg6mYb/rGdFQbl5VQt98faZFvRVxwteoZqYM0= X-Received: by 2002:a05:6808:4cc:: with SMTP id a12mr3576663oie.115.1582315678983; Fri, 21 Feb 2020 12:07:58 -0800 (PST) MIME-Version: 1.0 References: <20200216161836.1976-1-Jason@zx2c4.com> <20200216182319.GA54139@kroah.com> In-Reply-To: From: "Jason A. Donenfeld" Date: Fri, 21 Feb 2020 21:07:47 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] random: always use batched entropy for get_random_u{32,64} To: Tony Luck Cc: Greg Kroah-Hartman , "Ted Ts'o" , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Tony, On Thu, Feb 20, 2020 at 11:20 PM Tony Luck wrote: > > On Sun, Feb 16, 2020 at 10:24 AM Greg Kroah-Hartman > wrote: > > > > drivers/char/random.c | 12 ------------ > > > 1 file changed, 12 deletions(-) > > > > Looks good to me, thank for doing this: > > > > Reviewed-by: Greg Kroah-Hartman > > Perhaps also needs to update the comment above these functions. > > Specifically the bit that says "The quality of the random > number is either as good as RDRAND" ... since you are > no longer pulling from RDRAND it isn't true anymore. Good call. I'll fix up this comment and submit v2. Jason