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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CEE0CC79FB9 for ; Thu, 10 Sep 2026 07:55:14 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.1414089.1643926 (Exim 4.92) (envelope-from ) id 1x4Zcd-0003Ya-Iv; Thu, 10 Sep 2026 07:55:03 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 1414089.1643926; Thu, 10 Sep 2026 07:55:03 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1x4Zcd-0003YT-Fp; Thu, 10 Sep 2026 07:55:03 +0000 Received: by outflank-mailman (input) for mailman id 1414089; Thu, 10 Sep 2026 07:55:02 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1x4Zcc-0003YN-Fi for xen-devel@lists.xenproject.org; Thu, 10 Sep 2026 07:55:02 +0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.96) (envelope-from ) id 1x4Zca-00807d-34; Thu, 10 Sep 2026 07:55:01 +0000 Received: from 224.pool85-54-217.dynamic.orange.es ([85.54.217.224] helo=localhost) by xenbits.xenproject.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1x4Zcb-006j5N-1J; Thu, 10 Sep 2026 07:55:01 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xenproject.org; s=20200302mail; h=In-Reply-To:Content-Transfer-Encoding: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date; bh=ZeLEtSI+pTw804a0+0vh7wmdpkxtV8MoRKXGVeME87M=; b=eWE1qF9KzqSNwU61M1bQGNb9eh u7k7ATuzl6OAm0p7529GmUqUFqv/1Ona+RxDEiP1fKzqcbSK7p326ZY7EDjhXKmrpjzZfGdS5zZQr ftRl9UWl1Owj44BOwSmc6LI+2WLPSGZP6Pn4pR2AWUpXbTgFWwJDDlcK9wkHYy+j1HfI=; Date: Thu, 10 Sep 2026 09:54:58 +0200 From: Roger Pau =?utf-8?B?TW9ubsOp?= To: Jan Beulich Cc: "xen-devel@lists.xenproject.org" , Nicola Vetrini , Andrew Cooper , Teddy Astie Subject: Re: [PATCH 11/12] x86/HVM: address Misra 2.1 rule violations Message-ID: References: <90d0e3d6-2e12-43f1-815d-7936ca4c5fc6@suse.com> <65330fe2-0a0d-4b70-a647-27290d0041e0@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <65330fe2-0a0d-4b70-a647-27290d0041e0@suse.com> On Fri, Aug 28, 2026 at 09:05:43AM +0200, Jan Beulich wrote: > In hvm_set_cr3() the "bad_cr3" label is reachable only with > SHADOW_PAGING=y; the code being there is therefore a Misra rule 2.1 > (unreachable code) violation when SHADOW_PAGING=n. > > Similarly code past the initial switch() in hvm_debug_op() is reachable > only when CONFIG_INTEL_VMX=y. > > No functional change. > > Signed-off-by: Jan Beulich Acked-by: Roger Pau Monné Thanks, Roger.