{"id":2224831,"url":"http://patchwork.ozlabs.org/api/patches/2224831/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260418223320.51330-39-mohamed@unpredictable.fr/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/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":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260418223320.51330-39-mohamed@unpredictable.fr>","list_archive_url":null,"date":"2026-04-18T22:33:20","name":"[38/38] whpx: i386: documentation update","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"0b6ba4bad03bfb8b8f7ca0e7fd53996918aaf75e","submitter":{"id":91318,"url":"http://patchwork.ozlabs.org/api/people/91318/?format=json","name":"Mohamed Mediouni","email":"mohamed@unpredictable.fr"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260418223320.51330-39-mohamed@unpredictable.fr/mbox/","series":[{"id":500475,"url":"http://patchwork.ozlabs.org/api/series/500475/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500475","date":"2026-04-18T22:32:54","name":"WHPX x86 updates for QEMU 11.1","version":1,"mbox":"http://patchwork.ozlabs.org/series/500475/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2224831/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2224831/checks/","tags":{},"related":[],"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=TVEtyC2j;\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=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.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 4fymnG0Gdnz1yDF\n\tfor ; Sun, 19 Apr 2026 08:36:18 +1000 (AEST)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1wEEFN-0008CI-0B; Sat, 18 Apr 2026 18:34:41 -0400","from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from )\n id 1wEEFJ-0007u3-HM\n for qemu-devel@nongnu.org; Sat, 18 Apr 2026 18:34:37 -0400","from p-east2-cluster1-host9-snip4-10.eps.apple.com ([57.103.76.113]\n helo=outbound.st.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 1wEEFH-0005F6-Sf\n for qemu-devel@nongnu.org; Sat, 18 Apr 2026 18:34:37 -0400","from outbound.st.icloud.com (unknown [127.0.0.2])\n by p00-icloudmta-asmtp-us-east-1a-100-percent-1 (Postfix) with ESMTPS id\n 7C6EB18000B2; Sat, 18 Apr 2026 22:34:34 +0000 (UTC)","from localhost.localdomain (unknown [17.42.251.67])\n by p00-icloudmta-asmtp-us-east-1a-100-percent-1 (Postfix) with ESMTPSA id\n 9CF8F18000B4; Sat, 18 Apr 2026 22:34:32 +0000 (UTC)"],"Dkim-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr;\n s=sig1; t=1776551675; x=1779143675;\n bh=807zz0/7sYSsB/HXM1SaVwEK4Bcpla9/VhldGOyRpbY=;\n h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme;\n b=TVEtyC2jzYjMIdwyCFdVcCztJ+Z5H8DU2TodVSORS6yCevdHpxg/I16eBmWlM/k5HUwSz7OO/FdxZrMuOQR60yzu5jF4ZCKIUOZS+h30lCcIZkXvvn2Dg2bNo92swURFA2g95i/01UdERvZdZyVkZgqzm6y9zGDr63l8cK64mkHX9C5JzCz3YQjY5cxstXFBKlTFZWvqs85rFewH+/xKPJ7Wc8o6CYDYQtywlLtyQeDOhRlpxr0C5U4l7sMs3KpMLFsxWNJw7mk6FmCouJnBHN+QFDrvvplrztiX8G5En3+hcgWcM73tJkKhXo7/p/LUEXbiIaMGKaxFKKAc4np73Q==","mail-alias-created-date":"1752046281608","From":"Mohamed Mediouni ","To":"qemu-devel@nongnu.org","Cc":"Mohamed Mediouni ,\n \"Michael S. Tsirkin\" , Paolo Bonzini ,\n Zhao Liu , Pedro Barbuda ,\n Roman Bolshakov , qemu-arm@nongnu.org,\n Pierrick Bouvier ,\n Peter Maydell , Wei Liu ,\n Phil Dennis-Jordan ","Subject":"[PATCH 38/38] whpx: i386: documentation update","Date":"Sun, 19 Apr 2026 00:33:20 +0200","Message-ID":"<20260418223320.51330-39-mohamed@unpredictable.fr>","X-Mailer":"git-send-email 2.50.1","In-Reply-To":"<20260418223320.51330-1-mohamed@unpredictable.fr>","References":"<20260418223320.51330-1-mohamed@unpredictable.fr>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Proofpoint-Spam-Details-Enc":"AW1haW4tMjYwNDE4MDIyOSBTYWx0ZWRfXzM5660FGPlj9\n ibFjL9TqC2pLSTtBvXdLENeT2+XQKkhuxQeP4asQLQovBJM+OIVSIbKt4Rq/4BvbuJexkPtkTI7\n WfOYo4FLGLYgo/X0qA59iDXmceVzSxq9Tdzp38Fstc6ekIr5TG85cWasYjY2k+nmf9USjZe2/Zt\n KmsJsj1kCPILKAkOfqmLseMRVhymiKXCjcsUZrJ36grUrfbzAo7PhWd2V2wdrOfk0hwaWSb6Fcf\n 4AeRZ7/MHWd3Nxs9AIReDqQ0pXxkbBMvgeemeWpG5ehBceUpBg9qQdFp5gl+/VEgDcuPVyeEKOX\n J+w5K1Q1u5CzW5nmZoXfTbYVIogv+RLFfK5hTkNPH0voifTQX3U9g3DJN91+j8=","X-Proofpoint-ORIG-GUID":"pxljc2Geb056nBLqDszJi9NQoVgEbJ0o","X-Authority-Info-Out":"v=2.4 cv=YvwChoYX c=1 sm=1 tr=0 ts=69e406fa\n cx=c_apl:c_pps:t_out a=YrL12D//S6tul8v/L+6tKg==:117\n a=YrL12D//S6tul8v/L+6tKg==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22\n a=w2p0zGFWpCDavkAFAbUA:9","X-Proofpoint-GUID":"pxljc2Geb056nBLqDszJi9NQoVgEbJ0o","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=2026-04-18_06,2026-04-17_04,2025-10-01_01","X-Proofpoint-Spam-Details":"rule=notspam policy=default score=0 malwarescore=0\n bulkscore=0 adultscore=0 phishscore=0 spamscore=0\n lowpriorityscore=0\n mlxlogscore=690 suspectscore=0 mlxscore=0 clxscore=1030 classifier=spam\n authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000\n definitions=main-2604180229","Received-SPF":"pass client-ip=57.103.76.113;\n envelope-from=mohamed@unpredictable.fr; helo=outbound.st.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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_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 docs/system/whpx.rst | 30 +++++-------------------------\n 1 file changed, 5 insertions(+), 25 deletions(-)","diff":"diff --git a/docs/system/whpx.rst b/docs/system/whpx.rst\nindex 3e1979028c..8c9fea883e 100644\n--- a/docs/system/whpx.rst\n+++ b/docs/system/whpx.rst\n@@ -96,38 +96,18 @@ MMX, SSE or AVX instructions for access to MMIO memory ranges.\n Attempts to run such guests will result in an ``Unimplemented handler``\n warning for MMX and a failure to decode for newer instructions.\n \n-``-M isapc``\n-^^^^^^^^^^^^\n-\n-``-M isapc`` doesn't disable the Hyper-V LAPIC on its own yet. To\n-be able to use that machine, use ``-accel whpx,hyperv=off,kernel-irqchip=off``.\n-\n-However, in QEMU 11.0, the guest will still be a 64-bit x86\n-ISA machine with all the corresponding CPUID leaves exposed.\n-\n-gdbstub\n-^^^^^^^\n-\n-As save/restore of xsave state is not currently present, state\n-exposed through GDB will be incomplete.\n-\n-The same also applies to ``info registers``.\n-\n-``-cpu type`` ignored\n-^^^^^^^^^^^^^^^^^^^^^\n-\n-In this release, -cpu is an ignored argument. \n-\n PIC interrupts on Windows 10\n ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n \n On Windows 10, a legacy PIC interrupt injected does not wake the guest\n from an HLT when using the Hyper-V provided interrupt controller.\n \n-This has been addressed in QEMU 11.0 on Windows 11 platforms but\n-functionality to make it available on Windows 10 isn't present.\n+As such, on Windows 10, using the Hyper-V interrupt controller is \n+disabled by default. You can enable it via ``-M q35,pic=off`` which\n+disables the PIC. In that configuration, using a UEFI is recommended.\n \n-Workaround: for affected use cases, use ``-M kernel-irqchip=off``.\n+On this release, ``-M kernel-irqchip=`` is not expected to be manually\n+set during normal operation. It remains as a debugging option.\n \n Known issues on Windows 11\n ^^^^^^^^^^^^^^^^^^^^^^^^^^\n","prefixes":["38/38"]}