Message ID | 20200203061123.59150-10-david@gibson.dropbear.id.au (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=kBby=3X=nongnu.org=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6A12B1398 for <patchwork-qemu-devel@patchwork.kernel.org>; Mon, 3 Feb 2020 06:16:54 +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 4185A2080D for <patchwork-qemu-devel@patchwork.kernel.org>; Mon, 3 Feb 2020 06:16:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="pvOIeJ19" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4185A2080D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:34836 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org>) id 1iyV2T-0003g2-8j for patchwork-qemu-devel@patchwork.kernel.org; Mon, 03 Feb 2020 01:16:53 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:57216) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <dgibson@ozlabs.org>) id 1iyUxO-0002Q2-65 for qemu-devel@nongnu.org; Mon, 03 Feb 2020 01:11:39 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <dgibson@ozlabs.org>) id 1iyUxN-0002a5-4o for qemu-devel@nongnu.org; Mon, 03 Feb 2020 01:11:38 -0500 Received: from bilbo.ozlabs.org ([2401:3900:2:1::2]:47861 helo=ozlabs.org) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from <dgibson@ozlabs.org>) id 1iyUxM-0002UZ-PV; Mon, 03 Feb 2020 01:11:37 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 489yBm6YgCz9sSL; Mon, 3 Feb 2020 17:11:28 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1580710288; bh=2jmkwg3BUMMJqmimdvGd8n4T5fRDXI2SsSNGCZE1miI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pvOIeJ19AGrkYSYMXUmehRLeWeTDizlEzExZ7w8JhEIu4K5oGRlN21QJ0vehloSlo cscTyyMOSTRp/J07PIY9UrvCXfohesu8aWRoVKgGbF/joadmlUmp/6AaqqR7yuNuI9 dWjUfFF/zA0aSpEXVRpxR5Q/ADR8RYhvmnWgp2wU= From: David Gibson <david@gibson.dropbear.id.au> To: peter.maydell@linaro.org Subject: [PULL 09/35] spapr: Don't allow multiple active vCPUs at CAS Date: Mon, 3 Feb 2020 17:10:57 +1100 Message-Id: <20200203061123.59150-10-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200203061123.59150-1-david@gibson.dropbear.id.au> References: <20200203061123.59150-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2401:3900:2:1::2 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: lvivier@redhat.com, David Gibson <david@gibson.dropbear.id.au>, qemu-ppc@nongnu.org, qemu-devel@nongnu.org, groug@kaod.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org> |
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diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c index ffb14641f9..b8bb66b5c0 100644 --- a/hw/ppc/spapr_hcall.c +++ b/hw/ppc/spapr_hcall.c @@ -1676,6 +1676,18 @@ static target_ulong h_client_architecture_support(PowerPCCPU *cpu, Error *local_err = NULL; bool raw_mode_supported = false; bool guest_xive; + CPUState *cs; + + /* CAS is supposed to be called early when only the boot vCPU is active. */ + CPU_FOREACH(cs) { + if (cs == CPU(cpu)) { + continue; + } + if (!cs->halted) { + warn_report("guest has multiple active vCPUs at CAS, which is not allowed"); + return H_MULTI_THREADS_ACTIVE; + } + } cas_pvr = cas_check_pvr(spapr, cpu, &addr, &raw_mode_supported, &local_err); if (local_err) {