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 9068CC00140 for ; Mon, 15 Aug 2022 13:05:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232440AbiHONFH (ORCPT ); Mon, 15 Aug 2022 09:05:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44108 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231827AbiHONE7 (ORCPT ); Mon, 15 Aug 2022 09:04:59 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 275A213F14 for ; Mon, 15 Aug 2022 06:04:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=JBsYsHNQOPaZ948dk66lvAF/aD4bnqX0dYrshuXzMVA=; b=HFoFOXpraaKL8DZh8t+ujOscao J8fazQPV8Q6Vs/+JtUi9aWpnC8DKoy5oc1BT5uiumbyGpFI1gzdk2h5WPkozB3ExFbD7b3h7zTRSW a4MDaqrv+H32CPir2aOEM4s4+KhsCFoTZHBn51xjyBnk/+sl4qXHzGpNU/4dRXzFarm/zOh246Di4 8bdIQSbvKLNvEkHClVNyvSWiAZExWw0FhIKbcuEwIFsiUsAuvJ9Uy/UedQgN1ogeMh81ZS7cToDWw eYe2HMEnnWhvryinjhv+3nWSx0zMcq7NCERV4QNYB0MigFpRnyk5b6cz2TJrmrqqfO2YuYe+/wW+x 0RCccUig==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=worktop.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNZlv-005jfn-40; Mon, 15 Aug 2022 13:04:47 +0000 Received: by worktop.programming.kicks-ass.net (Postfix, from userid 1000) id 78D9C980153; Mon, 15 Aug 2022 15:04:45 +0200 (CEST) Date: Mon, 15 Aug 2022 15:04:45 +0200 From: Peter Zijlstra To: Ashok Raj Cc: Borislav Petkov , Thomas Gleixner , Tony Luck , Dave Hansen , LKML Mailing List , X86-kernel , Andy Lutomirski , Tom Lendacky Subject: Re: [PATCH 3/5] x86/microcode/intel: Allow a late-load only if a min rev is specified Message-ID: References: <20220813223825.3164861-1-ashok.raj@intel.com> <20220813223825.3164861-4-ashok.raj@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 15, 2022 at 12:41:06PM +0000, Ashok Raj wrote: > OR > > The release missed specifying a min-rev before release, accidently even > though its actually removing a feature? That would be in the bug category. > > Release should have validation tests to cover all known feature bits and > such and check for any misses after an update as part of the qual process. This; it would be very unfortunate if this ever happened.