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.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 162D6C8303C for ; Fri, 11 Jul 2025 09:36:55 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uaA9a-0001AQ-8E; Fri, 11 Jul 2025 05:34:50 -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 1uaA9J-0000zT-Br for qemu-devel@nongnu.org; Fri, 11 Jul 2025 05:34:37 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uaA9H-0007As-Ed for qemu-devel@nongnu.org; Fri, 11 Jul 2025 05:34:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1752226470; 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=fNxk96Ugqfn83itWttqsRHrcsZRRr/vZLQS2KZV1YB0=; b=VNJ3VSnX5XTGjnoXpdil4iTRP4RufJfG9Iy/QgmLtBGGuVyOWGLwREibatK55zQePu7qWB h3pmbpCpc9vKa2uoIVeEBazKkn4tQMOdsQKrJ9vhre/RkVFqX2LaTsNFDNdo4xoaLazAeB KBgOaQZOA7detSZoglC8UJ9GGAD9vs4= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-266-Hc7QCq_JOuOlg7rfHkXgyg-1; Fri, 11 Jul 2025 05:34:28 -0400 X-MC-Unique: Hc7QCq_JOuOlg7rfHkXgyg-1 X-Mimecast-MFC-AGG-ID: Hc7QCq_JOuOlg7rfHkXgyg_1752226467 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (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 mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id DEA5D18001D1; Fri, 11 Jul 2025 09:34:24 +0000 (UTC) Received: from thuth-p1g4.redhat.com (unknown [10.45.224.54]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 642BC19560A3; Fri, 11 Jul 2025 09:34:22 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org Cc: Stefan Hajnoczi , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PULL 15/15] target/s390x: Have s390_cpu_halt() not return anything Date: Fri, 11 Jul 2025 11:33:40 +0200 Message-ID: <20250711093340.608485-16-thuth@redhat.com> In-Reply-To: <20250711093340.608485-1-thuth@redhat.com> References: <20250711093340.608485-1-thuth@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@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_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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 From: Philippe Mathieu-Daudé Since halting a vCPU and how many left running do not need to be tied together, split the s390_count_running_cpus() call out of s390_cpu_halt() to the single caller using it: s390_handle_wait(). Signed-off-by: Philippe Mathieu-Daudé Message-ID: <20250708095746.12697-4-philmd@linaro.org> Signed-off-by: Thomas Huth --- target/s390x/s390x-internal.h | 2 +- target/s390x/cpu-system.c | 4 +--- target/s390x/helper.c | 4 +++- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/target/s390x/s390x-internal.h b/target/s390x/s390x-internal.h index 145e472edf0..56cce2e7f50 100644 --- a/target/s390x/s390x-internal.h +++ b/target/s390x/s390x-internal.h @@ -239,7 +239,7 @@ uint32_t calc_cc(CPUS390XState *env, uint32_t cc_op, uint64_t src, uint64_t dst, /* cpu.c */ #ifndef CONFIG_USER_ONLY unsigned int s390_count_running_cpus(void); -unsigned int s390_cpu_halt(S390CPU *cpu); +void s390_cpu_halt(S390CPU *cpu); void s390_cpu_unhalt(S390CPU *cpu); void s390_cpu_system_init(Object *obj); bool s390_cpu_system_realize(DeviceState *dev, Error **errp); diff --git a/target/s390x/cpu-system.c b/target/s390x/cpu-system.c index 2fa8c4d75db..709ccd52992 100644 --- a/target/s390x/cpu-system.c +++ b/target/s390x/cpu-system.c @@ -214,7 +214,7 @@ unsigned s390_count_running_cpus(void) return nr_running; } -unsigned int s390_cpu_halt(S390CPU *cpu) +void s390_cpu_halt(S390CPU *cpu) { CPUState *cs = CPU(cpu); trace_cpu_halt(cs->cpu_index); @@ -223,8 +223,6 @@ unsigned int s390_cpu_halt(S390CPU *cpu) cs->halted = 1; cs->exception_index = EXCP_HLT; } - - return s390_count_running_cpus(); } void s390_cpu_unhalt(S390CPU *cpu) diff --git a/target/s390x/helper.c b/target/s390x/helper.c index 3c57c32e479..5c127da1a6a 100644 --- a/target/s390x/helper.c +++ b/target/s390x/helper.c @@ -91,7 +91,9 @@ void s390_handle_wait(S390CPU *cpu) { CPUState *cs = CPU(cpu); - if (s390_cpu_halt(cpu) == 0) { + s390_cpu_halt(cpu); + + if (s390_count_running_cpus() == 0) { if (is_special_wait_psw(cpu->env.psw.addr)) { qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); } else { -- 2.50.0