From patchwork Mon Jun 24 09:04:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Federico Serafini X-Patchwork-Id: 13709195 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 0CAAAC2D0D1 for ; Mon, 24 Jun 2024 09:04:58 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.746321.1153345 (Exim 4.92) (envelope-from ) id 1sLfd4-0003Fd-J5; Mon, 24 Jun 2024 09:04:50 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 746321.1153345; Mon, 24 Jun 2024 09:04:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd4-0003Eh-CV; Mon, 24 Jun 2024 09:04:50 +0000 Received: by outflank-mailman (input) for mailman id 746321; Mon, 24 Jun 2024 09:04:49 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd3-0002x1-2d for xen-devel@lists.xenproject.org; Mon, 24 Jun 2024 09:04:49 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id ce134d4e-3208-11ef-b4bb-af5377834399; Mon, 24 Jun 2024 11:04:47 +0200 (CEST) Received: from truciolo.bugseng.com (unknown [37.160.55.204]) by support.bugseng.com (Postfix) with ESMTPSA id 4D5F64EE0754; Mon, 24 Jun 2024 11:04:46 +0200 (CEST) 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" X-Inumbo-ID: ce134d4e-3208-11ef-b4bb-af5377834399 From: Federico Serafini To: xen-devel@lists.xenproject.org Cc: consulting@bugseng.com, Federico Serafini , Simone Ballarin , Doug Goldstein , Stefano Stabellini , Jan Beulich Subject: [XEN PATCH v2 01/13] automation/eclair: fix deviation of MISRA C Rule 16.3 Date: Mon, 24 Jun 2024 11:04:25 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Escape the final dot of the comment and extend the search of a fallthrough comment up to 2 lines after the last statement. Fixes: a128d8da913b21eff6c6d2e2a7d4c54c054b78db "automation/eclair: add deviations for MISRA C:2012 Rule 16.3" Reported-by: Jan Beulich Signed-off-by: Federico Serafini Acked-by: Stefano Stabellini --- Changes in v2: - instead of introducing the hypened fallthrough, insert the missing escape. --- automation/eclair_analysis/ECLAIR/deviations.ecl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/automation/eclair_analysis/ECLAIR/deviations.ecl b/automation/eclair_analysis/ECLAIR/deviations.ecl index b8f9155267..9df3e0f0c4 100644 --- a/automation/eclair_analysis/ECLAIR/deviations.ecl +++ b/automation/eclair_analysis/ECLAIR/deviations.ecl @@ -400,7 +400,7 @@ safe." -doc_end -doc_begin="Switch clauses ending with an explicit comment indicating the fallthrough intention are safe." --config=MC3R1.R16.3,reports+={safe, "any_area(end_loc(any_exp(text(^(?s).*/\\* [fF]all ?through.? \\*/.*$,0..1))))"} +-config=MC3R1.R16.3,reports+={safe, "any_area(end_loc(any_exp(text(^(?s).*/\\* [fF]all ?through\\.? \\*/.*$,0..2))))"} -doc_end -doc_begin="Switch statements having a controlling expression of enum type deliberately do not have a default case: gcc -Wall enables -Wswitch which warns (and breaks the build as we use -Werror) if one of the enum labels is missing from the switch." From patchwork Mon Jun 24 09:04:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Federico Serafini X-Patchwork-Id: 13709196 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 82643C2BD09 for ; Mon, 24 Jun 2024 09:04:58 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.746320.1153339 (Exim 4.92) (envelope-from ) id 1sLfd4-0003C4-7z; Mon, 24 Jun 2024 09:04:50 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 746320.1153339; Mon, 24 Jun 2024 09:04:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd4-0003Bx-5L; Mon, 24 Jun 2024 09:04:50 +0000 Received: by outflank-mailman (input) for mailman id 746320; Mon, 24 Jun 2024 09:04:48 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd2-0002wq-Fy for xen-devel@lists.xenproject.org; Mon, 24 Jun 2024 09:04:48 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id ce91ff99-3208-11ef-90a3-e314d9c70b13; Mon, 24 Jun 2024 11:04:48 +0200 (CEST) Received: from truciolo.bugseng.com (unknown [37.160.55.204]) by support.bugseng.com (Postfix) with ESMTPSA id 2647F4EE0755; Mon, 24 Jun 2024 11:04:47 +0200 (CEST) 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" X-Inumbo-ID: ce91ff99-3208-11ef-90a3-e314d9c70b13 From: Federico Serafini To: xen-devel@lists.xenproject.org Cc: consulting@bugseng.com, Federico Serafini , Jan Beulich , Andrew Cooper , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Subject: [XEN PATCH v2 02/13] x86/cpuid: use fallthrough pseudo keyword Date: Mon, 24 Jun 2024 11:04:26 +0200 Message-Id: <58f1ff7e94fd2bd5290a555e44d9de0d2f515eda.1719218291.git.federico.serafini@bugseng.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 The current comment making explicit the fallthrough intention does not follow the agreed syntax: replace it with the pseduo keyword. No functional change. Signed-off-by: Federico Serafini Acked-by: Jan Beulich Reviewed-by: Stefano Stabellini --- xen/arch/x86/cpuid.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/xen/arch/x86/cpuid.c b/xen/arch/x86/cpuid.c index a822e80c7e..2a777436ee 100644 --- a/xen/arch/x86/cpuid.c +++ b/xen/arch/x86/cpuid.c @@ -97,9 +97,8 @@ void guest_cpuid(const struct vcpu *v, uint32_t leaf, if ( is_viridian_domain(d) ) return cpuid_viridian_leaves(v, leaf, subleaf, res); + fallthrough; /* - * Fallthrough. - * * Intel reserve up until 0x4fffffff for hypervisor use. AMD reserve * only until 0x400000ff, but we already use double that. */ From patchwork Mon Jun 24 09:04:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Federico Serafini X-Patchwork-Id: 13709199 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 14788C30658 for ; Mon, 24 Jun 2024 09:04:59 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.746322.1153360 (Exim 4.92) (envelope-from ) id 1sLfd5-0003eg-Q7; Mon, 24 Jun 2024 09:04:51 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 746322.1153360; Mon, 24 Jun 2024 09:04:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd5-0003ds-KX; Mon, 24 Jun 2024 09:04:51 +0000 Received: by outflank-mailman (input) for mailman id 746322; Mon, 24 Jun 2024 09:04:49 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd3-0002wq-Dg for xen-devel@lists.xenproject.org; Mon, 24 Jun 2024 09:04:49 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id cf0ae985-3208-11ef-90a3-e314d9c70b13; Mon, 24 Jun 2024 11:04:48 +0200 (CEST) Received: from truciolo.bugseng.com (unknown [37.160.55.204]) by support.bugseng.com (Postfix) with ESMTPSA id EED224EE073D; Mon, 24 Jun 2024 11:04:47 +0200 (CEST) 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" X-Inumbo-ID: cf0ae985-3208-11ef-90a3-e314d9c70b13 From: Federico Serafini To: xen-devel@lists.xenproject.org Cc: consulting@bugseng.com, Federico Serafini , Jan Beulich , Andrew Cooper , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Subject: [XEN PATCH v2 03/13] x86/domctl: address a violation of MISRA C Rule 16.3 Date: Mon, 24 Jun 2024 11:04:27 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Add missing break statement to address a violation of MISRA C Rule 16.3: "An unconditional `break' statement shall terminate every switch-clause". No functional change. Signed-off-by: Federico Serafini Acked-by: Jan Beulich Reviewed-by: Stefano Stabellini --- xen/arch/x86/domctl.c | 1 + 1 file changed, 1 insertion(+) diff --git a/xen/arch/x86/domctl.c b/xen/arch/x86/domctl.c index 9190e11faa..68b5b46d1a 100644 --- a/xen/arch/x86/domctl.c +++ b/xen/arch/x86/domctl.c @@ -517,6 +517,7 @@ long arch_do_domctl( default: ret = -ENOSYS; + break; } break; } From patchwork Mon Jun 24 09:04:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Federico Serafini X-Patchwork-Id: 13709197 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 77A16C3065A for ; Mon, 24 Jun 2024 09:05:00 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.746323.1153365 (Exim 4.92) (envelope-from ) id 1sLfd6-0003jX-4M; Mon, 24 Jun 2024 09:04:52 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 746323.1153365; Mon, 24 Jun 2024 09:04:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd5-0003hU-VB; Mon, 24 Jun 2024 09:04:51 +0000 Received: by outflank-mailman (input) for mailman id 746323; Mon, 24 Jun 2024 09:04:50 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd4-0002wq-Dg for xen-devel@lists.xenproject.org; Mon, 24 Jun 2024 09:04:50 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id cf79388b-3208-11ef-90a3-e314d9c70b13; Mon, 24 Jun 2024 11:04:49 +0200 (CEST) Received: from truciolo.bugseng.com (unknown [37.160.55.204]) by support.bugseng.com (Postfix) with ESMTPSA id B98CD4EE0755; Mon, 24 Jun 2024 11:04:48 +0200 (CEST) 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" X-Inumbo-ID: cf79388b-3208-11ef-90a3-e314d9c70b13 From: Federico Serafini To: xen-devel@lists.xenproject.org Cc: consulting@bugseng.com, Federico Serafini , Jan Beulich , Andrew Cooper , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Subject: [XEN PATCH v2 04/13] x86/vpmu: address violations of MISRA C Rule 16.3 Date: Mon, 24 Jun 2024 11:04:28 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Add missing break statements to address violations of MISRA C Rule 16.3: "An unconditional `break' statement shall terminate every switch-clause". No functional change. Signed-off-by: Federico Serafini Reviewed-by: Stefano Stabellini --- xen/arch/x86/cpu/vpmu.c | 3 +++ xen/arch/x86/cpu/vpmu_intel.c | 1 + 2 files changed, 4 insertions(+) diff --git a/xen/arch/x86/cpu/vpmu.c b/xen/arch/x86/cpu/vpmu.c index a7bc0cd1fc..b2ba999412 100644 --- a/xen/arch/x86/cpu/vpmu.c +++ b/xen/arch/x86/cpu/vpmu.c @@ -663,6 +663,8 @@ long do_xenpmu_op( if ( pmu_params.version.maj != XENPMU_VER_MAJ ) return -EINVAL; + + break; } switch ( op ) @@ -776,6 +778,7 @@ long do_xenpmu_op( default: ret = -EINVAL; + break; } return ret; diff --git a/xen/arch/x86/cpu/vpmu_intel.c b/xen/arch/x86/cpu/vpmu_intel.c index cd414165df..46f3ff86e7 100644 --- a/xen/arch/x86/cpu/vpmu_intel.c +++ b/xen/arch/x86/cpu/vpmu_intel.c @@ -713,6 +713,7 @@ static int cf_check core2_vpmu_do_rdmsr(unsigned int msr, uint64_t *msr_content) break; default: rdmsrl(msr, *msr_content); + break; } } else if ( msr == MSR_IA32_MISC_ENABLE ) From patchwork Mon Jun 24 09:04:29 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Federico Serafini X-Patchwork-Id: 13709198 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 451ABC2BD05 for ; Mon, 24 Jun 2024 09:05:00 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.746324.1153379 (Exim 4.92) (envelope-from ) id 1sLfd7-000491-Dj; Mon, 24 Jun 2024 09:04:53 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 746324.1153379; Mon, 24 Jun 2024 09:04:53 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd7-00048H-9v; Mon, 24 Jun 2024 09:04:53 +0000 Received: by outflank-mailman (input) for mailman id 746324; Mon, 24 Jun 2024 09:04:51 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd5-0002x1-MT for xen-devel@lists.xenproject.org; Mon, 24 Jun 2024 09:04:51 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id cfe32dd2-3208-11ef-b4bb-af5377834399; Mon, 24 Jun 2024 11:04:50 +0200 (CEST) Received: from truciolo.bugseng.com (unknown [37.160.55.204]) by support.bugseng.com (Postfix) with ESMTPSA id 79AE24EE073D; Mon, 24 Jun 2024 11:04:49 +0200 (CEST) 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" X-Inumbo-ID: cfe32dd2-3208-11ef-b4bb-af5377834399 From: Federico Serafini To: xen-devel@lists.xenproject.org Cc: consulting@bugseng.com, Federico Serafini , Jan Beulich , Andrew Cooper , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Subject: [XEN PATCH v2 05/13] x86/traps: address violations of MISRA C Rule 16.3 Date: Mon, 24 Jun 2024 11:04:29 +0200 Message-Id: <4f44a7b021eb4f78ccf1ce69b500b48b75df81c5.1719218291.git.federico.serafini@bugseng.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Add break or pseudo keyword fallthrough to address violations of MISRA C Rule 16.3: "An unconditional `break' statement shall terminate every switch-clause". No functional change. Signed-off-by: Federico Serafini --- xen/arch/x86/traps.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c index 9906e874d5..cbcec3fafb 100644 --- a/xen/arch/x86/traps.c +++ b/xen/arch/x86/traps.c @@ -1186,6 +1186,7 @@ void cpuid_hypervisor_leaves(const struct vcpu *v, uint32_t leaf, default: ASSERT_UNREACHABLE(); + break; } } @@ -1748,6 +1749,7 @@ static void io_check_error(const struct cpu_user_regs *regs) { case 'd': /* 'dom0' */ nmi_hwdom_report(_XEN_NMIREASON_io_error); + fallthrough; case 'i': /* 'ignore' */ break; default: /* 'fatal' */ @@ -1768,6 +1770,7 @@ static void unknown_nmi_error(const struct cpu_user_regs *regs, { case 'd': /* 'dom0' */ nmi_hwdom_report(_XEN_NMIREASON_unknown); + fallthrough; case 'i': /* 'ignore' */ break; default: /* 'fatal' */ From patchwork Mon Jun 24 09:04:30 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Federico Serafini X-Patchwork-Id: 13709200 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 14E40C2D0D1 for ; Mon, 24 Jun 2024 09:05:02 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.746326.1153391 (Exim 4.92) (envelope-from ) id 1sLfd8-0004Kp-G8; Mon, 24 Jun 2024 09:04:54 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 746326.1153391; Mon, 24 Jun 2024 09:04:54 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd8-0004JH-3Z; Mon, 24 Jun 2024 09:04:54 +0000 Received: by outflank-mailman (input) for mailman id 746326; Mon, 24 Jun 2024 09:04:52 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd6-0002x1-E0 for xen-devel@lists.xenproject.org; Mon, 24 Jun 2024 09:04:52 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id d05832ef-3208-11ef-b4bb-af5377834399; Mon, 24 Jun 2024 11:04:51 +0200 (CEST) Received: from truciolo.bugseng.com (unknown [37.160.55.204]) by support.bugseng.com (Postfix) with ESMTPSA id 310954EE0739; Mon, 24 Jun 2024 11:04:50 +0200 (CEST) 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" X-Inumbo-ID: d05832ef-3208-11ef-b4bb-af5377834399 From: Federico Serafini To: xen-devel@lists.xenproject.org Cc: consulting@bugseng.com, Federico Serafini , Jan Beulich , Andrew Cooper , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Subject: [XEN PATCH v2 06/13] x86/mce: address violations of MISRA C Rule 16.3 Date: Mon, 24 Jun 2024 11:04:30 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Add missing break statements to address violations of MISRA C Rule 16.3: "An unconditional `break' statement shall terminate every switch-clause". No functional change. Signed-off-by: Federico Serafini Acked-by: Jan Beulich Reviewed-by: Stefano Stabellini --- xen/arch/x86/cpu/mcheck/mce_amd.c | 1 + xen/arch/x86/cpu/mcheck/mce_intel.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/xen/arch/x86/cpu/mcheck/mce_amd.c b/xen/arch/x86/cpu/mcheck/mce_amd.c index 3318b8204f..4f06a3153b 100644 --- a/xen/arch/x86/cpu/mcheck/mce_amd.c +++ b/xen/arch/x86/cpu/mcheck/mce_amd.c @@ -201,6 +201,7 @@ static void mcequirk_amd_apply(enum mcequirk_amd_flags flags) default: ASSERT(flags == MCEQUIRK_NONE); + break; } } diff --git a/xen/arch/x86/cpu/mcheck/mce_intel.c b/xen/arch/x86/cpu/mcheck/mce_intel.c index dd812f4b8a..9574dedbfd 100644 --- a/xen/arch/x86/cpu/mcheck/mce_intel.c +++ b/xen/arch/x86/cpu/mcheck/mce_intel.c @@ -896,6 +896,8 @@ static void intel_init_ppin(const struct cpuinfo_x86 *c) ppin_msr = 0; else if ( c == &boot_cpu_data ) ppin_msr = MSR_PPIN; + + break; } } From patchwork Mon Jun 24 09:04:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Federico Serafini X-Patchwork-Id: 13709203 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 B7383C30659 for ; Mon, 24 Jun 2024 09:05:01 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.746325.1153386 (Exim 4.92) (envelope-from ) id 1sLfd8-0004H8-0M; Mon, 24 Jun 2024 09:04:54 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 746325.1153386; Mon, 24 Jun 2024 09:04:53 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd7-0004EF-Mg; Mon, 24 Jun 2024 09:04:53 +0000 Received: by outflank-mailman (input) for mailman id 746325; Mon, 24 Jun 2024 09:04:52 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd6-0002wq-BE for xen-devel@lists.xenproject.org; Mon, 24 Jun 2024 09:04:52 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id d0d1ffca-3208-11ef-90a3-e314d9c70b13; Mon, 24 Jun 2024 11:04:51 +0200 (CEST) Received: from truciolo.bugseng.com (unknown [37.160.55.204]) by support.bugseng.com (Postfix) with ESMTPSA id EA6274EE0755; Mon, 24 Jun 2024 11:04:50 +0200 (CEST) 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" X-Inumbo-ID: d0d1ffca-3208-11ef-90a3-e314d9c70b13 From: Federico Serafini To: xen-devel@lists.xenproject.org Cc: consulting@bugseng.com, Federico Serafini , Jan Beulich , Andrew Cooper , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Subject: [XEN PATCH v2 07/13] x86/hvm: address violations of MISRA C Rule 16.3 Date: Mon, 24 Jun 2024 11:04:31 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 MISRA C Rule 16.3 states that "An unconditional `break' statement shall terminate every switch-clause". Add pseudo keyword fallthrough or missing break statement to address violations of the rule. As a defensive measure, return -EOPNOTSUPP in case an unreachable return statement is reached. Signed-off-by: Federico Serafini --- Changes in v2: - replace hypened fallthrough with the pseudo keyword. --- xen/arch/x86/hvm/emulate.c | 9 ++++++--- xen/arch/x86/hvm/hvm.c | 6 ++++++ xen/arch/x86/hvm/hypercall.c | 1 + xen/arch/x86/hvm/irq.c | 1 + 4 files changed, 14 insertions(+), 3 deletions(-) diff --git a/xen/arch/x86/hvm/emulate.c b/xen/arch/x86/hvm/emulate.c index 02e378365b..859c21a5ab 100644 --- a/xen/arch/x86/hvm/emulate.c +++ b/xen/arch/x86/hvm/emulate.c @@ -339,7 +339,7 @@ static int hvmemul_do_io( } case X86EMUL_UNIMPLEMENTED: ASSERT_UNREACHABLE(); - /* Fall-through */ + fallthrough; default: BUG(); } @@ -2674,6 +2674,7 @@ static int _hvm_emulate_one(struct hvm_emulate_ctxt *hvmemul_ctxt, default: ASSERT_UNREACHABLE(); + break; } if ( hvmemul_ctxt->ctxt.retire.singlestep ) @@ -2764,6 +2765,7 @@ int hvm_emulate_one_mmio(unsigned long mfn, unsigned long gla) /* fallthrough */ default: hvm_emulate_writeback(&ctxt); + break; } return rc; @@ -2799,10 +2801,11 @@ void hvm_emulate_one_vm_event(enum emul_kind kind, unsigned int trapnr, memcpy(hvio->mmio_insn, curr->arch.vm_event->emul.insn.data, hvio->mmio_insn_bytes); } - /* Fall-through */ + fallthrough; default: ctx.set_context = (kind == EMUL_KIND_SET_CONTEXT_DATA); rc = hvm_emulate_one(&ctx, VIO_no_completion); + break; } switch ( rc ) @@ -2818,7 +2821,7 @@ void hvm_emulate_one_vm_event(enum emul_kind kind, unsigned int trapnr, case X86EMUL_UNIMPLEMENTED: if ( hvm_monitor_emul_unimplemented() ) return; - /* fall-through */ + fallthrough; case X86EMUL_UNHANDLEABLE: hvm_dump_emulation_state(XENLOG_G_DEBUG, "Mem event", &ctx, rc); hvm_inject_hw_exception(trapnr, errcode); diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c index 7f4b627b1f..c263e562ff 100644 --- a/xen/arch/x86/hvm/hvm.c +++ b/xen/arch/x86/hvm/hvm.c @@ -4919,6 +4919,8 @@ static int do_altp2m_op( default: ASSERT_UNREACHABLE(); + rc = -EOPNOTSUPP; + break; } out: @@ -5020,6 +5022,8 @@ static int compat_altp2m_op( default: ASSERT_UNREACHABLE(); + rc = -EOPNOTSUPP; + break; } return rc; @@ -5283,6 +5287,8 @@ void hvm_get_segment_register(struct vcpu *v, enum x86_segment seg, * %cs and %tr are unconditionally present. SVM ignores these present * bits and will happily run without them set. */ + fallthrough; + case x86_seg_cs: reg->p = 1; break; diff --git a/xen/arch/x86/hvm/hypercall.c b/xen/arch/x86/hvm/hypercall.c index 7fb3136f0c..2271afe02a 100644 --- a/xen/arch/x86/hvm/hypercall.c +++ b/xen/arch/x86/hvm/hypercall.c @@ -111,6 +111,7 @@ int hvm_hypercall(struct cpu_user_regs *regs) case 8: eax = regs->rax; /* Fallthrough to permission check. */ + fallthrough; case 4: case 2: if ( currd->arch.monitor.guest_request_userspace_enabled && diff --git a/xen/arch/x86/hvm/irq.c b/xen/arch/x86/hvm/irq.c index 210cebb0e6..1eab44defc 100644 --- a/xen/arch/x86/hvm/irq.c +++ b/xen/arch/x86/hvm/irq.c @@ -282,6 +282,7 @@ static void hvm_set_callback_irq_level(struct vcpu *v) __hvm_pci_intx_assert(d, pdev, pintx); else __hvm_pci_intx_deassert(d, pdev, pintx); + break; default: break; } From patchwork Mon Jun 24 09:04:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Federico Serafini X-Patchwork-Id: 13709202 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 CDD42C2BD09 for ; Mon, 24 Jun 2024 09:05:04 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.746327.1153398 (Exim 4.92) (envelope-from ) id 1sLfd9-0004SN-7i; Mon, 24 Jun 2024 09:04:55 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 746327.1153398; Mon, 24 Jun 2024 09:04:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd8-0004PU-JK; Mon, 24 Jun 2024 09:04:54 +0000 Received: by outflank-mailman (input) for mailman id 746327; Mon, 24 Jun 2024 09:04:53 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd6-0002wq-VZ for xen-devel@lists.xenproject.org; Mon, 24 Jun 2024 09:04:52 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id d1420cb8-3208-11ef-90a3-e314d9c70b13; Mon, 24 Jun 2024 11:04:52 +0200 (CEST) Received: from truciolo.bugseng.com (unknown [37.160.55.204]) by support.bugseng.com (Postfix) with ESMTPSA id AF8174EE073D; Mon, 24 Jun 2024 11:04:51 +0200 (CEST) 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" X-Inumbo-ID: d1420cb8-3208-11ef-90a3-e314d9c70b13 From: Federico Serafini To: xen-devel@lists.xenproject.org Cc: consulting@bugseng.com, Federico Serafini , Jan Beulich , Andrew Cooper , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Subject: [XEN PATCH v2 08/13] x86/vpt: address a violation of MISRA C Rule 16.3 Date: Mon, 24 Jun 2024 11:04:32 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Add pseudo keyword fallthrough to meet the requirements to deviate a violation of MISRA C Rule 16.3 ("An unconditional `break' statement shall terminate every switch-clause"). No functional change. Signed-off-by: Federico Serafini Reviewed-by: Stefano Stabellini --- xen/arch/x86/hvm/vpt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/xen/arch/x86/hvm/vpt.c b/xen/arch/x86/hvm/vpt.c index e1d6845a28..c76a9a272b 100644 --- a/xen/arch/x86/hvm/vpt.c +++ b/xen/arch/x86/hvm/vpt.c @@ -121,6 +121,8 @@ static int pt_irq_masked(struct periodic_time *pt) } /* Fallthrough to check if the interrupt is masked on the IO APIC. */ + fallthrough; + case PTSRC_ioapic: { int mask = vioapic_get_mask(v->domain, gsi); From patchwork Mon Jun 24 09:04:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Federico Serafini X-Patchwork-Id: 13709204 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 C911BC41513 for ; Mon, 24 Jun 2024 09:05:04 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.746331.1153412 (Exim 4.92) (envelope-from ) id 1sLfdA-0004zd-Ev; Mon, 24 Jun 2024 09:04:56 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 746331.1153412; Mon, 24 Jun 2024 09:04:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfdA-0004xa-9I; Mon, 24 Jun 2024 09:04:56 +0000 Received: by outflank-mailman (input) for mailman id 746331; Mon, 24 Jun 2024 09:04:55 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd8-0002x1-Rs for xen-devel@lists.xenproject.org; Mon, 24 Jun 2024 09:04:54 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id d1cbb281-3208-11ef-b4bb-af5377834399; Mon, 24 Jun 2024 11:04:53 +0200 (CEST) Received: from truciolo.bugseng.com (unknown [37.160.55.204]) by support.bugseng.com (Postfix) with ESMTPSA id 7522D4EE0738; Mon, 24 Jun 2024 11:04:52 +0200 (CEST) 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" X-Inumbo-ID: d1cbb281-3208-11ef-b4bb-af5377834399 From: Federico Serafini To: xen-devel@lists.xenproject.org Cc: consulting@bugseng.com, Federico Serafini , Jan Beulich , Andrew Cooper , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Subject: [XEN PATCH v2 09/13] x86/mm: add defensive return Date: Mon, 24 Jun 2024 11:04:33 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Add defensive return statement at the end of an unreachable default case. Other than improve safety, this meets the requirements to deviate a violation of MISRA C Rule 16.3: "An unconditional `break' statement shall terminate every switch-clause". Signed-off-by: Federico Serafini --- xen/arch/x86/mm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c index 648d6dd475..2e19ced15e 100644 --- a/xen/arch/x86/mm.c +++ b/xen/arch/x86/mm.c @@ -916,6 +916,7 @@ get_page_from_l1e( return 0; default: ASSERT_UNREACHABLE(); + return 0; } } else if ( l1f & _PAGE_RW ) From patchwork Mon Jun 24 09:04:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Federico Serafini X-Patchwork-Id: 13709201 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 B8AD8C2BD05 for ; Mon, 24 Jun 2024 09:05:04 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.746332.1153419 (Exim 4.92) (envelope-from ) id 1sLfdB-000593-Dc; Mon, 24 Jun 2024 09:04:57 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 746332.1153419; Mon, 24 Jun 2024 09:04:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfdB-00058H-0n; Mon, 24 Jun 2024 09:04:57 +0000 Received: by outflank-mailman (input) for mailman id 746332; Mon, 24 Jun 2024 09:04:55 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfd9-0002wq-Ei for xen-devel@lists.xenproject.org; Mon, 24 Jun 2024 09:04:55 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id d2772e42-3208-11ef-90a3-e314d9c70b13; Mon, 24 Jun 2024 11:04:54 +0200 (CEST) Received: from truciolo.bugseng.com (unknown [37.160.55.204]) by support.bugseng.com (Postfix) with ESMTPSA id 806774EE073D; Mon, 24 Jun 2024 11:04:53 +0200 (CEST) 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" X-Inumbo-ID: d2772e42-3208-11ef-90a3-e314d9c70b13 From: Federico Serafini To: xen-devel@lists.xenproject.org Cc: consulting@bugseng.com, Federico Serafini , Jan Beulich , Andrew Cooper , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Subject: [XEN PATCH v2 10/13] x86/mpparse: address a violation of MISRA C Rule 16.3 Date: Mon, 24 Jun 2024 11:04:34 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Add a missing break statement to address a violation of MISRA C Rule 16.3: "An unconditional `break' statement shall terminate every switch-clause". No functional change. Signed-off-by: Federico Serafini Acked-by: Jan Beulich Reviewed-by: Stefano Stabellini --- xen/arch/x86/mpparse.c | 1 + 1 file changed, 1 insertion(+) diff --git a/xen/arch/x86/mpparse.c b/xen/arch/x86/mpparse.c index d8ccab2449..306d8ed97a 100644 --- a/xen/arch/x86/mpparse.c +++ b/xen/arch/x86/mpparse.c @@ -544,6 +544,7 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type) case 4: case 7: memcpy(bus.mpc_bustype, "MCA ", 6); + break; } MP_bus_info(&bus); if (mpc_default_type > 4) { From patchwork Mon Jun 24 09:04:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Federico Serafini X-Patchwork-Id: 13709206 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 F0DCEC2BD05 for ; Mon, 24 Jun 2024 09:05:07 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.746333.1153433 (Exim 4.92) (envelope-from ) id 1sLfdD-0005ff-92; Mon, 24 Jun 2024 09:04:59 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 746333.1153433; Mon, 24 Jun 2024 09:04:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfdD-0005eO-2S; Mon, 24 Jun 2024 09:04:59 +0000 Received: by outflank-mailman (input) for mailman id 746333; Mon, 24 Jun 2024 09:04:56 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfdA-0002wq-Ex for xen-devel@lists.xenproject.org; Mon, 24 Jun 2024 09:04:56 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id d2edd806-3208-11ef-90a3-e314d9c70b13; Mon, 24 Jun 2024 11:04:55 +0200 (CEST) Received: from truciolo.bugseng.com (unknown [37.160.55.204]) by support.bugseng.com (Postfix) with ESMTPSA id 74F544EE0754; Mon, 24 Jun 2024 11:04:54 +0200 (CEST) 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" X-Inumbo-ID: d2edd806-3208-11ef-90a3-e314d9c70b13 From: Federico Serafini To: xen-devel@lists.xenproject.org Cc: consulting@bugseng.com, Federico Serafini , Jan Beulich , Andrew Cooper , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Subject: [XEN PATCH v2 11/13] x86/pmtimer: address a violation of MISRA C Rule 16.3 Date: Mon, 24 Jun 2024 11:04:35 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Add missing break statement to address a violation of MISRA C Rule 16.3 ("An unconditional `break' statement shall terminate every switch-clause"). No functional change. Signed-off-by: Federico Serafini Acked-by: Jan Beulich Reviewed-by: Stefano Stabellini --- xen/arch/x86/hvm/pmtimer.c | 1 + 1 file changed, 1 insertion(+) diff --git a/xen/arch/x86/hvm/pmtimer.c b/xen/arch/x86/hvm/pmtimer.c index 97099ac305..87a7a01c9f 100644 --- a/xen/arch/x86/hvm/pmtimer.c +++ b/xen/arch/x86/hvm/pmtimer.c @@ -185,6 +185,7 @@ static int cf_check handle_evt_io( gdprintk(XENLOG_WARNING, "Bad ACPI PM register write: %x bytes (%x) at %x\n", bytes, *val, port); + break; } } /* Fix up the SCI state to match the new register state */ From patchwork Mon Jun 24 09:04:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Federico Serafini X-Patchwork-Id: 13709205 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 0B851C2BD09 for ; Mon, 24 Jun 2024 09:05:08 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.746334.1153439 (Exim 4.92) (envelope-from ) id 1sLfdE-0005qz-4D; Mon, 24 Jun 2024 09:05:00 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 746334.1153439; Mon, 24 Jun 2024 09:04:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfdD-0005pX-NA; Mon, 24 Jun 2024 09:04:59 +0000 Received: by outflank-mailman (input) for mailman id 746334; Mon, 24 Jun 2024 09:04:57 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfdB-0002x1-EO for xen-devel@lists.xenproject.org; Mon, 24 Jun 2024 09:04:57 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id d353f119-3208-11ef-b4bb-af5377834399; Mon, 24 Jun 2024 11:04:56 +0200 (CEST) Received: from truciolo.bugseng.com (unknown [37.160.55.204]) by support.bugseng.com (Postfix) with ESMTPSA id 437414EE0738; Mon, 24 Jun 2024 11:04:55 +0200 (CEST) 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" X-Inumbo-ID: d353f119-3208-11ef-b4bb-af5377834399 From: Federico Serafini To: xen-devel@lists.xenproject.org Cc: consulting@bugseng.com, Federico Serafini , Jan Beulich , Andrew Cooper , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Subject: [XEN PATCH v2 12/13] x86/vPIC: address a violation of MISRA C Rule 16.3 Date: Mon, 24 Jun 2024 11:04:36 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Add pseudokeyword fallthrough to meet the requirements to deviate a violation of MISRA C Rul 16.3: "An unconditional `break' statement shall terminate every switch-clause". No functional change. Signed-off-by: Federico Serafini Acked-by: Jan Beulich Reviewed-by: Stefano Stabellini --- xen/arch/x86/hvm/vpic.c | 1 + 1 file changed, 1 insertion(+) diff --git a/xen/arch/x86/hvm/vpic.c b/xen/arch/x86/hvm/vpic.c index 7c3b5c7254..6427b08086 100644 --- a/xen/arch/x86/hvm/vpic.c +++ b/xen/arch/x86/hvm/vpic.c @@ -309,6 +309,7 @@ static void vpic_ioport_write( if ( !(vpic->init_state & 8) ) break; /* CASCADE mode: wait for write to ICW3. */ /* SNGL mode: fall through (no ICW3). */ + fallthrough; case 2: /* ICW3 */ vpic->init_state++; From patchwork Mon Jun 24 09:04:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Federico Serafini X-Patchwork-Id: 13709207 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 87F51C2BD05 for ; Mon, 24 Jun 2024 09:05:13 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.746335.1153447 (Exim 4.92) (envelope-from ) id 1sLfdF-00069D-Kp; Mon, 24 Jun 2024 09:05:01 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 746335.1153447; Mon, 24 Jun 2024 09:05:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfdE-000639-UQ; Mon, 24 Jun 2024 09:05:00 +0000 Received: by outflank-mailman (input) for mailman id 746335; Mon, 24 Jun 2024 09:04:58 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sLfdC-0002x1-EV for xen-devel@lists.xenproject.org; Mon, 24 Jun 2024 09:04:58 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id d3c0caea-3208-11ef-b4bb-af5377834399; Mon, 24 Jun 2024 11:04:56 +0200 (CEST) Received: from truciolo.bugseng.com (unknown [37.160.55.204]) by support.bugseng.com (Postfix) with ESMTPSA id E2C7D4EE0754; Mon, 24 Jun 2024 11:04:55 +0200 (CEST) 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" X-Inumbo-ID: d3c0caea-3208-11ef-b4bb-af5377834399 From: Federico Serafini To: xen-devel@lists.xenproject.org Cc: consulting@bugseng.com, Federico Serafini , Jan Beulich , Andrew Cooper , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Subject: [XEN PATCH v2 13/13] x86/vlapic: address a violation of MISRA C Rule 16.3 Date: Mon, 24 Jun 2024 11:04:37 +0200 Message-Id: <0aa39166696e46b6bb45a0f7b5ac06bfd9fdda8e.1719218291.git.federico.serafini@bugseng.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Add missing break statement to address a violation of MISRA C Rule 16.3: "An unconditional `break' statement shall terminate every switch-clause". No functional change. Signed-off-by: Federico Serafini Acked-by: Jan Beulich Reviewed-by: Stefano Stabellini --- xen/arch/x86/hvm/vlapic.c | 1 + 1 file changed, 1 insertion(+) diff --git a/xen/arch/x86/hvm/vlapic.c b/xen/arch/x86/hvm/vlapic.c index 9cfc82666a..2ec9594271 100644 --- a/xen/arch/x86/hvm/vlapic.c +++ b/xen/arch/x86/hvm/vlapic.c @@ -367,6 +367,7 @@ static void vlapic_accept_irq(struct vcpu *v, uint32_t icr_low) gdprintk(XENLOG_ERR, "TODO: unsupported delivery mode in ICR %x\n", icr_low); domain_crash(v->domain); + break; } }