From patchwork Mon Nov 20 00:27:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gavin Shan X-Patchwork-Id: 13460714 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 8CD10C072A2 for ; Mon, 20 Nov 2023 00:29:20 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r4s9M-0005KH-8f; Sun, 19 Nov 2023 19:28:28 -0500 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 1r4s9L-0005K8-55 for qemu-devel@nongnu.org; Sun, 19 Nov 2023 19:28:27 -0500 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 1r4s9J-00019K-KW for qemu-devel@nongnu.org; Sun, 19 Nov 2023 19:28:26 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1700440104; 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:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Lu8QJO9KDwDOmzdkBAnOVeCD39qe2P6zlwVvhT3kRpk=; b=KIf+EneEgcyFvMPVnQ5Eics750BGXTtvXJIywHQlN3SHau6ux1zywLYy1rS+fryGOzQOMA yEOfnLEhTO19ZC9yvwKP125mCGeuyIZFNAVKX27Oaw/LSeSZ88Bw2UYdOj/SFiFz8G0Y9i lgAwrxeqhfIB5Neh9h+zJ3RU8a0RZXY= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-335-rebdYtjzMGeUx6JSz-WLuA-1; Sun, 19 Nov 2023 19:28:16 -0500 X-MC-Unique: rebdYtjzMGeUx6JSz-WLuA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 6ECB88007B3; Mon, 20 Nov 2023 00:28:15 +0000 (UTC) Received: from gshan.redhat.com (unknown [10.64.136.87]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2F3E240C6EB9; Mon, 20 Nov 2023 00:28:07 +0000 (UTC) From: Gavin Shan To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, qemu-riscv@nongnu.org, peter.maydell@linaro.org, richard.henderson@linaro.org, imammedo@redhat.com, b.galvani@gmail.com, strahinja.p.jankovic@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, philmd@linaro.org, wangyanan55@huawei.com, vijai@behindbytes.com, palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, liwei1518@gmail.com, dbarboza@ventanamicro.com, zhiwei_liu@linux.alibaba.com, shan.gavin@gmail.com Subject: [PATCH v6 1/8] machine: Use error handling when CPU type is checked Date: Mon, 20 Nov 2023 10:27:17 +1000 Message-ID: <20231120002724.986326-2-gshan@redhat.com> In-Reply-To: <20231120002724.986326-1-gshan@redhat.com> References: <20231120002724.986326-1-gshan@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.2 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: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham 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 0c17398141..5b45dbbbd5 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -1394,6 +1394,7 @@ 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 @@ -1466,15 +1467,16 @@ 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); } }