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 X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8D77C433DF for ; Tue, 11 Aug 2020 10:51:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B25E320756 for ; Tue, 11 Aug 2020 10:51:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="LHLZp8Ib" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728579AbgHKKv4 (ORCPT ); Tue, 11 Aug 2020 06:51:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45568 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728500AbgHKKvz (ORCPT ); Tue, 11 Aug 2020 06:51:55 -0400 Received: from mail-ot1-x342.google.com (mail-ot1-x342.google.com [IPv6:2607:f8b0:4864:20::342]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4570EC06174A for ; Tue, 11 Aug 2020 03:51:55 -0700 (PDT) Received: by mail-ot1-x342.google.com with SMTP id h16so9727230oti.7 for ; Tue, 11 Aug 2020 03:51:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:reply-to:from:date:message-id :subject:to:cc; bh=UhlzAn4lpRrPkvaXfcTT/BOQCiRqfEE8LdsClAKhmAM=; b=LHLZp8IbHwDDGUjN8Y+RVrJXUEfCYDg1x+2Ds+fma8J+426mrrNJv8NZeQvtMyYB4H aAV8ReOwJrr2GoQlwkRwQLIldPGiQsG1DYfIrldOXtk4D9lmf/9Jb2GcKK7tw/ZLyC8j uPc1F7uatd+PtmzyQA/8JcGrieXkgSQJR9v9csGwELuVdpEl5EcE85WCFA3ECyQftuJ9 IxpbhGUdx2NykMaPrQCvNOkDpQdjt5rMzDkw4tUlfAm3j2R6On1wyibgVCM8c9gpd0WU rgnCnnt0BP1TBentnAv8F1li0SEYVhUwUtclXaDNg4PGVYeNoWygKub9M9kt7yfHVhfZ Qjdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:reply-to :from:date:message-id:subject:to:cc; bh=UhlzAn4lpRrPkvaXfcTT/BOQCiRqfEE8LdsClAKhmAM=; b=Tz1R4Xv5LTLRw6yWU7g5cRgh1E39/JG9cGRdwPh9G+BAItqjAU6u8xl5Uihw6FB1mJ zPRJqZD8Xv+VB91sjybDSB4vIbQj86nwn5YfeZk3ZcULgLvD6zEj+WrT5nDYH5yNGlCk nYb4QpvYPuhcN6iv0JWVePnS9v3H6i2k9pbNbxvuztr+0cXzBxApfBwvCdzbwoiwQ1xG D3uOvowYYyKq7DZ3egDLpTl7csaCXy/FP/uRTsEJa6fC0gojAncX+9JOPQslAza/+gjT gAfSoVJXwXlrfeKlJgP9wwT8PqssB926INYYgMdBReP7zyCC06PkbJgZCQ+gqfYGHJ3D KFLQ== X-Gm-Message-State: AOAM532HxpqCFcKn2fsG9crFQGf2snM7ks6s77Qu4zXXRUxAEDohzFJG FeuDN1SXXAkqGn6R3bKxOMagGjD3Q9qtWqMiueQ= X-Google-Smtp-Source: ABdhPJz+BGd/7ig6kGHwKkEEbZ9XdMMcVll4WZJr4RT0soV9HxD2l0QM2X0gK6v6IQNbxxQSa31Vhh3anQEkxqZwwB8= X-Received: by 2002:a9d:7997:: with SMTP id h23mr4680839otm.28.1597143114714; Tue, 11 Aug 2020 03:51:54 -0700 (PDT) MIME-Version: 1.0 References: <20200809235412.GD25124@SDF.ORG> <20200810034948.GB8262@1wt.eu> <20200811053455.GH25124@SDF.ORG> <20200811054328.GD9456@1wt.eu> <20200811062814.GI25124@SDF.ORG> <20200811074538.GA9523@1wt.eu> In-Reply-To: <20200811074538.GA9523@1wt.eu> Reply-To: sedat.dilek@gmail.com From: Sedat Dilek Date: Tue, 11 Aug 2020 12:51:43 +0200 Message-ID: Subject: Re: [DRAFT PATCH] random32: make prandom_u32() output unpredictable To: Willy Tarreau Cc: George Spelvin , Amit Klein , Eric Dumazet , "Jason A. Donenfeld" , Andy Lutomirski , Kees Cook , Thomas Gleixner , Peter Zijlstra , Linus Torvalds , netdev@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org [ CC netdev ML ] Hi Willy, in [1] you say: > I've applied it on top of George's patch rebased to mainline for simplicity. > I've used a separate per_cpu noise variable to keep the net_rand_state static > with its __latent_entropy. Can you share this "rebased to mainline" version of George's patch? Maybe put your work "user-friendly-fetchable" in one of your Git tree (see [2])? Yesterday random/random32/prandom mainline patches hit Linux v5.8.1-rc1 (see [3]). So, as I asked in my first email what is a suitable base? Linux v5.9-rc1 (this Sunday) or if stable Linux v5.8.1 (next 1-2 days) Thanks. Regards, - Sedat - [1] https://marc.info/?l=linux-netdev&m=159709355528675&w=2 [2] https://git.kernel.org/pub/scm/linux/kernel/git/wtarreau [3] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/log/?h=linux-5.8.y