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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0855CC433F5 for ; Thu, 30 Sep 2021 13:34:52 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id A9F2361440 for ; Thu, 30 Sep 2021 13:34:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org A9F2361440 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:33714 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mVwD3-0002SV-Mn for qemu-devel@archiver.kernel.org; Thu, 30 Sep 2021 09:34:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35438) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mVw6Y-0002ih-2k for qemu-devel@nongnu.org; Thu, 30 Sep 2021 09:28:06 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:45350) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mVw6W-00015t-Hf for qemu-devel@nongnu.org; Thu, 30 Sep 2021 09:28:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1633008481; 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=mewiFxTsRgcxM0Jro8abVhqEZ/qsWZjoIZKPwza8gAA=; b=PVBhO9mQbL3GUtPmuDjLd7KxCXKhm/U03Lj4gdhnBO9E/Gl0G5Lg4vb4EzE3KeepO+Yk1I bYx3vdwsIfknRpVZLnKMJUJnjseXqH27EES3fsPxo8jDJEU5a7+InAnJiXdJCNR0zJz7jn TA1azkPwFRb6ZCVQA5qWuAy0OBqpjEQ= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-197-hPLqi-t6Osu5tRFswm56gQ-1; Thu, 30 Sep 2021 09:27:58 -0400 X-MC-Unique: hPLqi-t6Osu5tRFswm56gQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4A3759F92D; Thu, 30 Sep 2021 13:27:56 +0000 (UTC) Received: from localhost.localdomain.com (unknown [10.39.195.104]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2F7625D9C6; Thu, 30 Sep 2021 13:27:29 +0000 (UTC) From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v3 15/19] hmp: synchronize cpu state for lapic info Date: Thu, 30 Sep 2021 14:23:45 +0100 Message-Id: <20210930132349.3601823-16-berrange@redhat.com> In-Reply-To: <20210930132349.3601823-1-berrange@redhat.com> References: <20210930132349.3601823-1-berrange@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=berrange@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_MSPIKE_H2=-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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Thomas Huth , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , Eduardo Habkost , David Hildenbrand , Michael Roth , Cornelia Huck , Yuval Shaia , Markus Armbruster , Peter Xu , "Dr. David Alan Gilbert" , Halil Pasic , Christian Borntraeger , qemu-s390x@nongnu.org, Gerd Hoffmann , Dongli Zhang , Paolo Bonzini , Richard Henderson , Eric Blake , Joe Jin Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Dongli Zhang While the default "info lapic" always synchronizes cpu state ... mon_get_cpu() -> mon_get_cpu_sync(mon, true) -> cpu_synchronize_state(cpu) -> ioctl KVM_GET_LAPIC (taking KVM as example) ... the cpu state is not synchronized when the apic-id is available as argument. The cpu state should be synchronized when apic-id is available. Otherwise the "info lapic " always returns stale data. Cc: Joe Jin Reviewed-by: Daniel P. Berrangé Signed-off-by: Dongli Zhang --- target/i386/monitor.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/i386/monitor.c b/target/i386/monitor.c index 19468c4e85..2a41eac7fd 100644 --- a/target/i386/monitor.c +++ b/target/i386/monitor.c @@ -28,6 +28,7 @@ #include "monitor/hmp-target.h" #include "monitor/hmp.h" #include "qapi/qmp/qdict.h" +#include "sysemu/hw_accel.h" #include "sysemu/kvm.h" #include "sysemu/sev.h" #include "qapi/error.h" @@ -656,7 +657,11 @@ void hmp_info_local_apic(Monitor *mon, const QDict *qdict) if (qdict_haskey(qdict, "apic-id")) { int id = qdict_get_try_int(qdict, "apic-id", 0); + cs = cpu_by_arch_id(id); + if (cs) { + cpu_synchronize_state(cs); + } } else { cs = mon_get_cpu(mon); } -- 2.31.1