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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 1B69DC433EF for ; Mon, 20 Sep 2021 16:33:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F082761163 for ; Mon, 20 Sep 2021 16:33:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230028AbhITQeb (ORCPT ); Mon, 20 Sep 2021 12:34:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52720 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229609AbhITQea (ORCPT ); Mon, 20 Sep 2021 12:34:30 -0400 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 855AFC061574 for ; Mon, 20 Sep 2021 09:33:03 -0700 (PDT) Received: from zn.tnic (p200300ec2f0a2a00274102d8249bfe43.dip0.t-ipconnect.de [IPv6:2003:ec:2f0a:2a00:2741:2d8:249b:fe43]) (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 EDF221EC0354; Mon, 20 Sep 2021 18:32:57 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1632155578; 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=N3MwMwGiM+8XqBfyR16AWCnFJStdTZ2JMrVLHmqVMTc=; b=EFrkisV1QZNVA4Ql8rA+dlGp4xd8vrzxJOe8e3Eh8dUNoua1EGS/2ROufJB2jZ/tRrV/1A JGKMUNDkIQb6OayF5JXDS5w4VnwEi1HIYkRszZziS+kuNeHsJx/UuAzpVX6UJk5PjnU1SV 33p8p/EZEdoPUr3hm+oeild4wXRvE4w= Date: Mon, 20 Sep 2021 18:32:53 +0200 From: Borislav Petkov To: "Luck, Tony" Cc: Yazen Ghannam , X86 ML , LKML Subject: Re: [PATCH 2/4] x86/mce: Get rid of machine_check_vector Message-ID: References: <20210917105355.2368-1-bp@alien8.de> <20210917105355.2368-3-bp@alien8.de> 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 Mon, Sep 20, 2021 at 04:04:35PM +0000, Luck, Tony wrote: > You want to know how many bit are left for some reason? Is there some > user API that will break if we overflow and start allocating bits from > the next 64-bit word? Well, I'd like for all of the bits to fit in a single u64, naturally. "Spilling" into the next word is unnecessary, even though it doesn't matter for solely kernel internal usage - just common sense. > Or is this just the countdown for when you and I both have a nervous > breakdown trying to keep track of that many different option paths > through the machine check code :-) Nah, this is the moment where I close the MCE tree and no more features are allowed! :-P > Thanks for the tip about Ctrl-x to decrement a number in vim (Google > tell me Ctrl-a increments). Learned something new today :-) Yeah, vim is simply great. :-) -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette