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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 5B062C4CEC4 for ; Wed, 18 Sep 2019 16:19:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B32D21907 for ; Wed, 18 Sep 2019 16:19:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725884AbfIRQTC (ORCPT ); Wed, 18 Sep 2019 12:19:02 -0400 Received: from mail-ot1-f68.google.com ([209.85.210.68]:36075 "EHLO mail-ot1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726558AbfIRQTC (ORCPT ); Wed, 18 Sep 2019 12:19:02 -0400 Received: by mail-ot1-f68.google.com with SMTP id 67so386522oto.3; Wed, 18 Sep 2019 09:19:01 -0700 (PDT) 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:from:date :message-id:subject:to:cc; bh=ciT4MhcXAvfq4i7XiTa1B8OfzLIYbv4sUsNQGTpETZM=; b=C2DM2GqI0n/TkqiDHNdCqvgNF3cUwEmD4dtdXDAjCGbmlL6kDC58IJxgWr78XQtvN8 eZqHTVYIxw5zsBlaPEcO4F4V33ak0/XnxeWAY/+F47ZhdnHLSSwsDWDYbfkzjR7E+Q9V BnfTvvap+S6ieZl7SNzmveK1vT/WoA3yBTnyRAz3ya9G/rqLd1cS1TD2HaZtgHuopfL5 4XuTUmWWFGE7KdNTxGpjvFdUPM5J8XheB3Npn55rleJdQt4zOpq4lFigOHMEu/HzZbJn e8tUmlZI4adwwnrY+G2hPCGUi6QB19XQadYcZk2/y6xv6ez448Qrg67KLT3phnWQMXyz mbag== X-Gm-Message-State: APjAAAU/7BGBk/cX7P7Vuqpc4GiM5wP10cungYBAKDFThCWfFBcGoNXz Q4By8TlTukExxE+kpl5BMtG+l0U4c1fbaqn1SV6Fkg== X-Google-Smtp-Source: APXvYqzWS5uh8zh7cquVyfq2RdGs36uE0xlRca7Ru+rbwDmoYYtXdC0n9VjTuPht7m3D8zBtdAIM5p944HIUvSYHY1M= X-Received: by 2002:a05:6830:1196:: with SMTP id u22mr3634441otq.39.1568823539833; Wed, 18 Sep 2019 09:18:59 -0700 (PDT) MIME-Version: 1.0 References: <278d9706-162d-28a4-4640-31b697924473@physik.fu-berlin.de> <6304acd1-7b71-b1fb-f8d8-298cb3025e69@physik.fu-berlin.de> <6725b972-05d4-fed4-7094-16401e86b452@gmail.com> <578d8a91-aaee-087f-1742-65e64001b8fa@physik.fu-berlin.de> <16476.1568822057@warthog.procyon.org.uk> In-Reply-To: <16476.1568822057@warthog.procyon.org.uk> From: Geert Uytterhoeven Date: Wed, 18 Sep 2019 18:18:47 +0200 Message-ID: Subject: Re: Can KEY_DH_OPERATIONS become tristate? (was: Re: Kernel 5.3.0 stuck during boot on Amiga) To: David Howells Cc: John Paul Adrian Glaubitz , Michael Schmitz , linux-m68k , Mat Martineau , James Morris , "Serge E. Hallyn" , keyrings@vger.kernel.org, linux-security-module@vger.kernel.org, Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: Hi David, On Wed, Sep 18, 2019 at 5:54 PM David Howells wrote: > Geert Uytterhoeven wrote: > > CC crypto keys people > > > > TL;DR: CONFIG_CRYPTO_DH=y is reported to cause boot delays of several > > minutes on old and slow machines. > > Why is it doing that? It doesn't do anything unless it is called, so > something must be calling it. I don't know. Enabling initcall_debug shows that dh_init() takes a very long time. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds