{"id":2219488,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2219488/?format=json","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.0/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260403053748.78831-6-mohamed@unpredictable.fr>","date":"2026-04-03T05:37:46","name":"[v4,5/7] whpx: i386: enable x2apic by default for user-mode LAPIC","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"437ed2dd507f87810cf841891a374a031c3cf100","submitter":{"id":91318,"url":"http://patchwork.ozlabs.org/api/1.0/people/91318/?format=json","name":"Mohamed Mediouni","email":"mohamed@unpredictable.fr"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260403053748.78831-6-mohamed@unpredictable.fr/mbox/","series":[{"id":498589,"url":"http://patchwork.ozlabs.org/api/1.0/series/498589/?format=json","date":"2026-04-03T05:37:41","name":"whpx: i386: x2apic emulation for kernel-irqchip=off, feature probing","version":4,"mbox":"http://patchwork.ozlabs.org/series/498589/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2219488/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=unpredictable.fr header.i=@unpredictable.fr\n header.a=rsa-sha256 header.s=sig1 header.b=b6FkrQ+M;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fn6wt6d5fz1yCs\n\tfor ; Fri, 03 Apr 2026 16:39:26 +1100 (AEDT)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1w8XEL-0004Gg-GL; Fri, 03 Apr 2026 01:38:05 -0400","from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from )\n id 1w8XEK-0004GB-1r\n for qemu-devel@nongnu.org; Fri, 03 Apr 2026 01:38:04 -0400","from qs-2001e-snip4-11.eps.apple.com ([57.103.87.53]\n helo=outbound.qs.icloud.com)\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from )\n id 1w8XEI-0008A0-IV\n for qemu-devel@nongnu.org; Fri, 03 Apr 2026 01:38:03 -0400","from outbound.qs.icloud.com (unknown [127.0.0.2])\n by p00-icloudmta-asmtp-us-east-2d-100-percent-4 (Postfix) with ESMTPS id\n 591AB1800166; Fri, 03 Apr 2026 05:37:59 +0000 (UTC)","from localhost.localdomain (unknown [17.57.155.37])\n by p00-icloudmta-asmtp-us-east-2d-100-percent-4 (Postfix) with ESMTPSA id\n 8538B180010B; Fri, 03 Apr 2026 05:37:57 +0000 (UTC)"],"Dkim-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr;\n s=sig1; t=1775194682; x=1777786682;\n bh=dugTy6Mycl0V8PO55M7zjkrIKW6irE2gkRf+Eg5CDxE=;\n h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme;\n b=b6FkrQ+MGNS00psbzv6dkJNhqNlbauLqeJlVmBS/6RcLNxAcJQ2V95zfakUZfvI/qPNZfSfjr+neuCoSLhdf+9NTaW7FyEK6ZMVt0S2sc3ad53SkY4CxkCI0Uu/l6nqjeXkHu11kuynZ+47HKrU9trRpklHFHzCg5jtIKig7rsRzZ+vFqT15zFgOGojy8D5JQfwegrntG+lhGCpvQZs6fiRDXQLd5MIRvvDuLG/wAeE9B2mvyGomnUWBGJDGuLmzTuVv6JWhBnQUBoitZx24hlljXLtN14W0pdLri5nezZLDmKVt6vsMV41DcsPHt1XD+hIJ3/SK4HwRMwWdPIo8/w==","mail-alias-created-date":"1752046281608","From":"Mohamed Mediouni ","To":"qemu-devel@nongnu.org","Cc":"Wei Liu , Paolo Bonzini ,\n Zhao Liu , Pedro Barbuda ,\n Phil Dennis-Jordan ,\n Mohamed Mediouni ,\n Roman Bolshakov ","Subject":"[PATCH v4 5/7] whpx: i386: enable x2apic by default for user-mode\n LAPIC","Date":"Fri, 3 Apr 2026 07:37:46 +0200","Message-ID":"<20260403053748.78831-6-mohamed@unpredictable.fr>","X-Mailer":"git-send-email 2.50.1","In-Reply-To":"<20260403053748.78831-1-mohamed@unpredictable.fr>","References":"<20260403053748.78831-1-mohamed@unpredictable.fr>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Proofpoint-ORIG-GUID":"7mYZBaI-UcnubZcK2YtylfbQ2Cb4x6Fl","X-Proofpoint-Spam-Details-Enc":"AW1haW4tMjYwNDAzMDA0NyBTYWx0ZWRfX2bNuLO9et11c\n UTQa2XX2OuK4y+7AuEfoTaN3QeU2VVn+l8OQQD+jKQ2irtbMlDo2nOGAQ79EsmduP7WH0EmlW2n\n h/aVZ/q/Z1PZJlg3vlrFe/B86nNRLC1QfiQuIajz8E6PXEznnBQZq28fBKcAvXH9+hrDrvhRy7Z\n fLpEyz5DxvGv23L25oscxkPiYWNCKVfMjSMb8b8vElr8iB+awsvi834t3OV7sEqIcqiA9g8OX92\n T47HP9SZB0sOp+2Z86fw6OPZOSi1Yy6C6G3vGXR4vkDUdJFInZTtJcJgtgnmGPpcpSQH7WaSSUt\n hIE+TB8RHJMJ8aO5XdtLjDAPRWTVUfpKXjeC03+YPPciSffFe+cUwnJ5XvoUVo=","X-Proofpoint-GUID":"7mYZBaI-UcnubZcK2YtylfbQ2Cb4x6Fl","X-Authority-Info-Out":"v=2.4 cv=VqAuwu2n c=1 sm=1 tr=0 ts=69cf5238\n cx=c_apl:c_pps:t_out a=bsP7O+dXZ5uKcj+dsLqiMw==:117\n a=bsP7O+dXZ5uKcj+dsLqiMw==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22\n a=uAk9FrDoCeqUxh5yT_MA:9","X-Proofpoint-Virus-Version":"vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-03_01,2026-04-02_05,2025-10-01_01","X-Proofpoint-Spam-Details":"rule=notspam policy=default score=0 clxscore=1030\n malwarescore=0 bulkscore=0 phishscore=0 spamscore=0 mlxscore=0\n mlxlogscore=999 adultscore=0 suspectscore=0 lowpriorityscore=0\n classifier=spam authscore=0 adjust=0 reason=mlx scancount=1\n engine=8.22.0-2601150000 definitions=main-2604030047","Received-SPF":"pass client-ip=57.103.87.53;\n envelope-from=mohamed@unpredictable.fr; helo=outbound.qs.icloud.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, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001,\n SPF_HELO_PASS=-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":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"Signed-off-by: Mohamed Mediouni \n---\n target/i386/whpx/whpx-all.c | 7 +++++++\n 1 file changed, 7 insertions(+)","diff":"diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c\nindex 0908dfd134..66f263558f 100644\n--- a/target/i386/whpx/whpx-all.c\n+++ b/target/i386/whpx/whpx-all.c\n@@ -2281,11 +2281,18 @@ error:\n return ret;\n }\n \n+static PropValue whpx_default_props[] = {\n+ { \"x2apic\", \"on\" },\n+ { NULL, NULL },\n+};\n+\n+\n void whpx_cpu_instance_init(CPUState *cs)\n {\n X86CPU *cpu = X86_CPU(cs);\n \n host_cpu_instance_init(cpu);\n+ x86_cpu_apply_props(cpu, whpx_default_props);\n }\n \n /*\n","prefixes":["v4","5/7"]}