From nobody Sat Nov 23 21:40:36 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1731087708; cv=none; d=zohomail.com; s=zohoarc; b=MluLYnNsszUFWn+ODg31PWpqmxPIIAGwbJ5LMAVGOeZtOoJTspq2PTsLHmmURUFeF5AXrnPT8Bh/K8AP9/XUc8RKaLc8hzZ2l+QaP7hF1//GMQvJQgkb/oc41CBGtNni/7Peov4jmz6eDplDCVLLaVlMUjM5CujtRO7TSRDwXlg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1731087708; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=UFEKPmesayCxfe6FTizVM3fXCAtel5A94tDgNJwfRzw=; b=FFreSw9xHtZLqTiWiZjTGYdrkGZoqQILdL2P8/1/YGUdx/TE0NCf3u6hvBuDL2WMmlpzb/9/4nj1LDoX6ExDxI1d9neW69ZzahBMfeIbaZfFq+BkglrLc1ylCR9Tiz6GvT3oqqUtzzMEQSFslbNF90Oo7hXhYaZSP0G1h1xocPY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1731087708498166.91134601224473; Fri, 8 Nov 2024 09:41:48 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t9Swj-00043d-1f; Fri, 08 Nov 2024 12:38:57 -0500 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 1t9Swi-00043R-4d for qemu-devel@nongnu.org; Fri, 08 Nov 2024 12:38:56 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t9Swg-0007eX-Pe for qemu-devel@nongnu.org; Fri, 08 Nov 2024 12:38:55 -0500 Received: from mail-wr1-f70.google.com (mail-wr1-f70.google.com [209.85.221.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-121-ryy-rE_KNgq33oivD6XqFA-1; Fri, 08 Nov 2024 12:38:53 -0500 Received: by mail-wr1-f70.google.com with SMTP id ffacd0b85a97d-37d47127e69so1110401f8f.1 for ; Fri, 08 Nov 2024 09:38:52 -0800 (PST) Received: from [192.168.10.47] ([151.49.84.243]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-381ed97f544sm5565167f8f.40.2024.11.08.09.38.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Nov 2024 09:38:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1731087534; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UFEKPmesayCxfe6FTizVM3fXCAtel5A94tDgNJwfRzw=; b=N5GPE6V7LYTkRs6yCun1jonWvFlBcaNWays4KERulmLrWIC/wvPpobWfAgRwrAN8vew6fv tcpOnc7Si5+nyhFjyjkZk2dW5W7WK2rwDFFw37RLLQhbPwe9112we7t++BpYl1/M5JTQka cYZHvDOfcROUegrUyh3TEozg8oir3iA= X-MC-Unique: ryy-rE_KNgq33oivD6XqFA-1 X-Mimecast-MFC-AGG-ID: ryy-rE_KNgq33oivD6XqFA X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731087531; x=1731692331; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=UFEKPmesayCxfe6FTizVM3fXCAtel5A94tDgNJwfRzw=; b=oQTnxss57NNwEtYh2MgihsIbMjH8/onYf90AJwDaaiwhpY9A3dLUxl9fwSqyBLxcCl 5Xk63pGYg6g2XKr7TgurpcbTdH/37su0flK9ChHecB2zh6UtOht3KLmNEsvClBSqftl7 qBnDkaE/RTGVzlu/Jc6G+PJjbApHQkc04HCPK+ztySYNte4BTpcSHDqg6d7hrNOz79GF di+C9tfltITR9ZnJP/AEQwoJFaDWaE68wuta5vtk2fKGalTfC5/cll40xDKF7+qlA6xa A3Fid7neoGGsoNGah4ex9H2W8CFcdb7at04Ypa6DUrBqrGpaa+fzxDtIuq1Gpp9LulId fvYw== X-Gm-Message-State: AOJu0YwwRoci5DWrfHY8izq5kBIfVAGrrqAcTS1sINWDNzC1ofzW0mXJ MfPTof71z8pkBsLk1+MF0PMMVJMyePJ7mm0vw2IsHeH0RMn0C6j0tiJ89lDxMwOkw6fPPTVwdH6 ENs59vmwLPGvFLiOBXczriFsVs+i1SEv/syXoShXwQ3LJyiR5RCfkLJW1IawUfbw6LQ8DDVB9W6 byfInvoWL1rRAZRabg9ZiohmtveREJRxPmBrOH+pQ= X-Received: by 2002:a5d:59a2:0:b0:37d:476e:f110 with SMTP id ffacd0b85a97d-381f186fbcbmr3232312f8f.34.1731087530904; Fri, 08 Nov 2024 09:38:50 -0800 (PST) X-Google-Smtp-Source: AGHT+IHCHSNqig3kWTQkYyUnM2sVRWw8fwNDhjLUvgc75Rhf3wFD1dQR/5Jv5GSvWxVr0NIx9TPurA== X-Received: by 2002:a5d:59a2:0:b0:37d:476e:f110 with SMTP id ffacd0b85a97d-381f186fbcbmr3232281f8f.34.1731087530372; Fri, 08 Nov 2024 09:38:50 -0800 (PST) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: Phil Dennis-Jordan , Roman Bolshakov Subject: [PULL 10/13] i386/hvf: Raise exception on error setting APICBASE Date: Fri, 8 Nov 2024 18:38:25 +0100 Message-ID: <20241108173828.111454-11-pbonzini@redhat.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241108173828.111454-1-pbonzini@redhat.com> References: <20241108173828.111454-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.34, 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_H2=-0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1731087709963116600 Content-Type: text/plain; charset="utf-8" From: Phil Dennis-Jordan When setting the APICBASE MSR to an illegal value, the APIC implementation will return an error. This change forwards that report to the guest as an exception rather than ignoring it when using the hvf accelerator. Signed-off-by: Phil Dennis-Jordan Link: https://lore.kernel.org/r/20241105155800.5461-5-phil@philjordan.eu Reviewed-by: Roman Bolshakov Signed-off-by: Paolo Bonzini --- target/i386/hvf/x86_emu.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/target/i386/hvf/x86_emu.c b/target/i386/hvf/x86_emu.c index be675bcfb71..015f760acb3 100644 --- a/target/i386/hvf/x86_emu.c +++ b/target/i386/hvf/x86_emu.c @@ -794,9 +794,16 @@ void simulate_wrmsr(CPUX86State *env) switch (msr) { case MSR_IA32_TSC: break; - case MSR_IA32_APICBASE: - cpu_set_apic_base(cpu->apic_state, data); + case MSR_IA32_APICBASE: { + int r; + + r =3D cpu_set_apic_base(cpu->apic_state, data); + if (r < 0) { + raise_exception(env, EXCP0D_GPF, 0); + } + break; + } case MSR_APIC_START ... MSR_APIC_END: { int ret; int index =3D (uint32_t)env->regs[R_ECX] - MSR_APIC_START; --=20 2.47.0