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 B83ACC433EF for ; Wed, 25 May 2022 16:01:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234832AbiEYQBP (ORCPT ); Wed, 25 May 2022 12:01:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229869AbiEYQBL (ORCPT ); Wed, 25 May 2022 12:01:11 -0400 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 15CD56B7FC for ; Wed, 25 May 2022 09:01:08 -0700 (PDT) Received: from zn.tnic (p200300ea97465795329c23fffea6a903.dip0.t-ipconnect.de [IPv6:2003:ea:9746:5795:329c:23ff:fea6:a903]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 08F681EC059D; Wed, 25 May 2022 18:01:02 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1653494463; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=HZ5l5c5oFQU562TJ+oAgCesJ7Z1kou0lEyO+acuK3iM=; b=OocEOzI588LRLyT/n9RapoNWuVXVIK9A7BX+4ahTwYj22NgF9QNVgODf+et/ZEHxDrkASy XG6Hn+NQBd4XbiTr9jMPNnZxBtvgni/HOFgSxrcm54qwTm9ReejlwKYVKeglRWCH90jlbs 7E9uyJDFycbLzqX/BUZuK14tak3IWKU= Date: Wed, 25 May 2022 18:00:58 +0200 From: Borislav Petkov To: "Luck, Tony" Cc: Peter Zijlstra , X86 ML , LKML Subject: Re: [RFC PATCH 3/3] x86/microcode: Taint and warn on late loading Message-ID: References: <20220524185324.28395-1-bp@alien8.de> <20220524185324.28395-4-bp@alien8.de> <20220525065940.GF2578@worktop.programming.kicks-ass.net> <4644ff0530ba40948ed1f0e2e45a24d8@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 25, 2022 at 03:40:50PM +0000, Luck, Tony wrote: > That's very 1990's thinking. We have Unicode available now. > We could start using Emoji like U+1F4A9 as a taint character :-) LOL: U+1F4A9 PILE OF POO. Some fancy terminals might even show it properly. And sounds about the right one in this case. > That sounds better than a string of Emoji (also better than the > current string of upper case characters). Yeah, we need to think about it. I would be lying if I said I had never wondered before where a taint flag got set. Saving the address has a problem when multiple times the same flag gets set - only the last address will be there. But I guess we can try it. /me puts on todo. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette