From patchwork Tue Oct 13 14:05:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Andryuk X-Patchwork-Id: 302953 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=-12.3 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_INVALID, DKIM_SIGNED, FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 0B61AC433DF for ; Tue, 13 Oct 2020 14:09:44 +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 79DCB247CA for ; Tue, 13 Oct 2020 14:09:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CfvQXnZC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 79DCB247CA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:59688 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kSKzm-0003Lg-JH for qemu-devel@archiver.kernel.org; Tue, 13 Oct 2020 10:09:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54572) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kSKwH-0007tS-KK for qemu-devel@nongnu.org; Tue, 13 Oct 2020 10:06:05 -0400 Received: from mail-qk1-x741.google.com ([2607:f8b0:4864:20::741]:47070) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kSKwB-0006LM-19 for qemu-devel@nongnu.org; Tue, 13 Oct 2020 10:06:05 -0400 Received: by mail-qk1-x741.google.com with SMTP id a23so20874737qkg.13 for ; Tue, 13 Oct 2020 07:05:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Z5sCn2g22QNClDVC8ApV+Mu5VWc6D2QWQMvZw+Aegos=; b=CfvQXnZCbKI+aeJIUwszdFQKsZPrD0OxTTWrzEaSn/d3DDvLCCcXgs0dyeR+jPToj2 ukNtrMP4s3qkhNcd4ZKW8eZc9hXTU5do+L9/1IXwwlil/SY1O+BoBGnTsV9LbPuRBOoW wLvovZjgplbCIvu7UWrbpYFfsq6LUq+KITh8knWtWOPyNIDkmkzgC/c/vjm/h9BKZtWR F3MUx8xrMrC6VFmBxyBfXPQUwvR2XyfQNtTxOgCECyVPgaWY048xCzZMVL3/JPU2XvOH +G7OLxyuA3UDUcVKDN5GSAS0q0FP/GZ8g0JPMLVvw8X0pYznkVSbSR2BOS0Poh4A+h+J J4RA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Z5sCn2g22QNClDVC8ApV+Mu5VWc6D2QWQMvZw+Aegos=; b=N8+Vrh3h6uXcFXH2xPOMEFb9GaiEmYPxTpIrz7j3gx8pFur6Vs/VGdf3VMPlBltydD 88cT5cuhUHDEnqUokA+rCduIvBOEj1cQKKBnaTzTc3TLsEraSRH7R14y8+xsegRonA5i fPa9BDuIokvF5egBlTDX5kwQLxvYdUdKZ1i2RD3XHSDMvT9o6kZ1ttZHlc25d8eLGbrl JDUmcg0AIJQKtdqp/+JtBcRRybYysR6c2NE9zd83Jh6ItAjc47FASMHpGBGiWjSSp4yd 8vS3mVbXfNY7uIy1U0vySr8jaMDN3FFyvJg9tDqyMjxLNIDkEZ9Eh1aYlAjn2XyVYyX9 qLlQ== X-Gm-Message-State: AOAM533fOC1OSHSWbTVt9dWsUoGkNmmOsqVm3vkBVqkmYrnAjLbSqkNW KSOZSM2T21XK5xePJOG6yrK+IjK9wUY= X-Google-Smtp-Source: ABdhPJwtxBEnRnNPjEHcuVVHof6O92obazL/vN2TmbQ5O2rfIz0/rAfUoxQkml2srmIG5IH2ZnkKwQ== X-Received: by 2002:ae9:ef56:: with SMTP id d83mr100087qkg.83.1602597956496; Tue, 13 Oct 2020 07:05:56 -0700 (PDT) Received: from shine.lan ([2001:470:8:67e:2df1:3321:942a:fbce]) by smtp.gmail.com with ESMTPSA id z26sm13793609qki.40.2020.10.13.07.05.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Oct 2020 07:05:55 -0700 (PDT) From: Jason Andryuk To: qemu-devel@nongnu.org Subject: [PATCH v2 3/3] accel: Add xen CpusAccel using dummy-cpus Date: Tue, 13 Oct 2020 10:05:11 -0400 Message-Id: <20201013140511.5681-4-jandryuk@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201013140511.5681-1-jandryuk@gmail.com> References: <20201013140511.5681-1-jandryuk@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::741; envelope-from=jandryuk@gmail.com; helo=mail-qk1-x741.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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: Stefano Stabellini , Paul Durrant , Jason Andryuk , Claudio Fontana , Anthony Perard , "open list:X86 Xen CPUs" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 Reviewed-by: Claudio Fontana Acked-by: Anthony PERARD --- 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; }