From patchwork Thu Nov 2 00:24:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gavin Shan X-Patchwork-Id: 13443192 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.gnu.org (lists.gnu.org [209.51.188.17]) (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 62206C4332F for ; Thu, 2 Nov 2023 00:34:51 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qyLe8-0004qn-WF; Wed, 01 Nov 2023 20:33:17 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qyLdu-0004IR-V4 for qemu-devel@nongnu.org; Wed, 01 Nov 2023 20:33:02 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qyLdd-0002q1-IZ for qemu-devel@nongnu.org; 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Thu, 2 Nov 2023 00:32:30 +0000 (UTC) Received: from gshan.redhat.com (unknown [10.64.136.70]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 86C7CC0FE05; Thu, 2 Nov 2023 00:32:14 +0000 (UTC) From: Gavin Shan To: qemu-arm@nongnu.org Cc: qemu-devel@nongnu.org, qemu-riscv@nongnu.org, qemu-ppc@nongnu.org, qemu-s390x@nongnu.org, philmd@linaro.org, clg@kaod.org, imammedo@redhat.com, imp@bsdimp.com, kevans@freebsd.org, richard.henderson@linaro.org, pbonzini@redhat.com, peter.maydell@linaro.org, b.galvani@gmail.com, strahinja.p.jankovic@gmail.com, sundeep.lkml@gmail.com, kfting@nuvoton.com, wuhaotsh@google.com, nieklinnenbank@gmail.com, rad@semihalf.com, quic_llindhol@quicinc.com, marcin.juszkiewicz@linaro.org, eduardo@habkost.net, marcel.apfelbaum@gmail.com, wangyanan55@huawei.com, laurent@vivier.eu, vijai@behindbytes.com, palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, liweiwei@iscas.ac.cn, dbarboza@ventanamicro.com, zhiwei_liu@linux.alibaba.com, mrolnik@gmail.com, edgar.iglesias@gmail.com, bcain@quicinc.com, gaosong@loongson.cn, aurelien@aurel32.net, jiaxun.yang@flygoat.com, aleksandar.rikalo@syrmia.com, chenhuacai@kernel.org, crwulff@gmail.com, marex@denx.de, shorne@gmail.com, npiggin@gmail.com, ysato@users.sourceforge.jp, david@redhat.com, thuth@redhat.com, iii@linux.ibm.com, kbastian@mail.uni-paderborn.de, jcmvbkbc@gmail.com, shan.gavin@gmail.com Subject: [PATCH v4 26/33] machine: Use error handling when CPU type is checked Date: Thu, 2 Nov 2023 10:24:53 +1000 Message-ID: <20231102002500.1750692-27-gshan@redhat.com> In-Reply-To: <20231102002500.1750692-1-gshan@redhat.com> References: <20231102002500.1750692-1-gshan@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.8 Received-SPF: pass client-ip=170.10.129.124; envelope-from=gshan@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.393, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org QEMU will be terminated if the specified CPU type isn't supported in machine_run_board_init(). The list of supported CPU type names is tracked by mc->valid_cpu_types. The error handling can be used to propagate error messages, to be consistent how the errors are handled for other situations in the same function. No functional change intended. Suggested-by: Igor Mammedov Signed-off-by: Gavin Shan --- hw/core/machine.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/hw/core/machine.c b/hw/core/machine.c index 50edaab737..1c17a0d5bf 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -1393,6 +1393,7 @@ void machine_run_board_init(MachineState *machine, const char *mem_path, Error * MachineClass *machine_class = MACHINE_GET_CLASS(machine); ObjectClass *oc = object_class_by_name(machine->cpu_type); CPUClass *cc; + Error *local_err = NULL; /* This checkpoint is required by replay to separate prior clock reading from the other reads, because timer polling functions query @@ -1465,15 +1466,16 @@ void machine_run_board_init(MachineState *machine, const char *mem_path, Error * if (!machine_class->valid_cpu_types[i]) { /* The user specified CPU is not valid */ - error_report("Invalid CPU type: %s", machine->cpu_type); - error_printf("The valid types are: %s", - machine_class->valid_cpu_types[0]); + error_setg(&local_err, "Invalid CPU type: %s", machine->cpu_type); + error_append_hint(&local_err, "The valid types are: %s", + machine_class->valid_cpu_types[0]); for (i = 1; machine_class->valid_cpu_types[i]; i++) { - error_printf(", %s", machine_class->valid_cpu_types[i]); + error_append_hint(&local_err, ", %s", + machine_class->valid_cpu_types[i]); } - error_printf("\n"); + error_append_hint(&local_err, "\n"); - exit(1); + error_propagate(errp, local_err); } }