From patchwork Mon Oct 26 10:06:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 302085 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5A8FC4363A for ; Mon, 26 Oct 2020 10:08:30 +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 1390C223AC for ; Mon, 26 Oct 2020 10:08:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="T0FnZH95" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1390C223AC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:32998 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kWzQT-0004ET-0a for qemu-devel@archiver.kernel.org; Mon, 26 Oct 2020 06:08:29 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38698) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kWzOs-0002T6-7m for qemu-devel@nongnu.org; Mon, 26 Oct 2020 06:06:50 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:34842) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kWzOp-0006cB-9H for qemu-devel@nongnu.org; Mon, 26 Oct 2020 06:06:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1603706806; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:content-type:content-type:in-reply-to:in-reply-to: references:references; bh=7py8/BqSRsB8PFotGN4dp1fcL9wxowisE7ZbOTCvJQs=; b=T0FnZH95nVSnQIVllOAZgHoIiNFMB2q9ORHqrMSoSn1tWlGwhiJguehWG3TXNOQowBM9gH QvBx9iRb+ykG7v5GJHYg0xeUTBoGUArL9vmwrLuugFyUKm48aSJdp9jnQc9c5AdIsITc7+ UZwDn5ZBghMoNWfuvTNtlEIZdWHEZTE= 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-353-MqbfGWHMPYqtKODVByZVCA-1; Mon, 26 Oct 2020 06:06:44 -0400 X-MC-Unique: MqbfGWHMPYqtKODVByZVCA-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2E934800D53; Mon, 26 Oct 2020 10:06:43 +0000 (UTC) Received: from thuth.com (ovpn-112-104.ams2.redhat.com [10.36.112.104]) by smtp.corp.redhat.com (Postfix) with ESMTP id 238398B846; Mon, 26 Oct 2020 10:06:41 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org, Peter Maydell Subject: [PULL 05/31] accel: Add xen CpusAccel using dummy-cpus Date: Mon, 26 Oct 2020 11:06:06 +0100 Message-Id: <20201026100632.212530-6-thuth@redhat.com> In-Reply-To: <20201026100632.212530-1-thuth@redhat.com> References: <20201026100632.212530-1-thuth@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=thuth@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/26 02:39:09 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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 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: Alexander Bulekov Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Jason Andryuk Xen was broken by commit 1583a3898853 ("cpus: extract out qtest-specific code to accel/qtest"). Xen relied on qemu_init_vcpu() calling qemu_dummy_start_vcpu() in the default case, but that was replaced by g_assert_not_reached(). Add a minimal "CpusAccel" for Xen using the dummy-cpus implementation used by qtest. Signed-off-by: Jason Andryuk Message-Id: <20201013140511.5681-4-jandryuk@gmail.com> Acked-by: Paolo Bonzini Reviewed-by: Claudio Fontana Acked-by: Anthony PERARD Signed-off-by: Thomas Huth --- accel/meson.build | 1 + accel/xen/xen-all.c | 8 ++++++++ 2 files changed, 9 insertions(+) diff --git a/accel/meson.build b/accel/meson.build index 9a417396bd..b26cca227a 100644 --- a/accel/meson.build +++ b/accel/meson.build @@ -12,3 +12,4 @@ dummy_ss.add(files( )) specific_ss.add_all(when: ['CONFIG_SOFTMMU', 'CONFIG_POSIX'], if_true: dummy_ss) +specific_ss.add_all(when: ['CONFIG_XEN'], if_true: dummy_ss) diff --git a/accel/xen/xen-all.c b/accel/xen/xen-all.c index 60b971d0a8..878a4089d9 100644 --- a/accel/xen/xen-all.c +++ b/accel/xen/xen-all.c @@ -16,6 +16,7 @@ #include "hw/xen/xen_pt.h" #include "chardev/char.h" #include "sysemu/accel.h" +#include "sysemu/cpus.h" #include "sysemu/xen.h" #include "sysemu/runstate.h" #include "migration/misc.h" @@ -153,6 +154,10 @@ static void xen_setup_post(MachineState *ms, AccelState *accel) } } +const CpusAccel xen_cpus = { + .create_vcpu_thread = dummy_start_vcpu_thread, +}; + static int xen_init(MachineState *ms) { MachineClass *mc = MACHINE_GET_CLASS(ms); @@ -180,6 +185,9 @@ static int xen_init(MachineState *ms) * opt out of system RAM being allocated by generic code */ mc->default_ram_id = NULL; + + cpus_register_accel(&xen_cpus); + return 0; }