{"id":2223216,"url":"http://patchwork.ozlabs.org/api/1.1/covers/2223216/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/cover/20260414182231.18776-1-mohamed@unpredictable.fr/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.1/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":"<20260414182231.18776-1-mohamed@unpredictable.fr>","date":"2026-04-14T18:22:24","name":"[0/7] whpx: i386: Some more changes","submitter":{"id":91318,"url":"http://patchwork.ozlabs.org/api/1.1/people/91318/?format=json","name":"Mohamed Mediouni","email":"mohamed@unpredictable.fr"},"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/cover/20260414182231.18776-1-mohamed@unpredictable.fr/mbox/","series":[{"id":499883,"url":"http://patchwork.ozlabs.org/api/1.1/series/499883/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499883","date":"2026-04-14T18:22:24","name":"whpx: i386: Some more changes","version":1,"mbox":"http://patchwork.ozlabs.org/series/499883/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/covers/2223216/comments/","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=edyM3tzp;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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charset=\"utf-8\"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Authority-Info-Out":"v=2.4 cv=U/qfzOru c=1 sm=1 tr=0 ts=69de85ed\n cx=c_apl:c_pps:t_out a=azHRBMxVc17uSn+fyuI/eg==:117\n a=azHRBMxVc17uSn+fyuI/eg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10\n a=VkNPw1HP01LnGYTKEx00:22 a=oOLWm9IBL3BG_uuw-oUA:9 a=QEXdDO2ut3YA:10","X-Proofpoint-GUID":"Bwy4s5e7HmDEjrxFgZDGBuNQHX5YhvUS","X-Proofpoint-Spam-Details-Enc":"AW1haW4tMjYwNDE0MDE3MiBTYWx0ZWRfXwljp5hcHXi4F\n qb7HXb7UkVV3FUErhBBJWZEij7CbfyOqNBThOzkh0BztEx+JvLtqOuhY8erR19lrKUBT/QiPNpd\n LvV5z6W5NmnHUkcaz2t1K2AdfhjgyVftYf/EFnMDtRwLA00eTlEy1HzBI4RLeVqTPMwbMTqJOID\n lGnOZGDIXGMMP2aVTeg+QBPVhQO8fJmGGcKscTQZGFzIQ38r8hf3z/hN1I3y+1xmyShhT/ROUgS\n u5f9yOSunbFw6N1BkaOhSFtGsv2g+zd2HeZSRHQtmNsiGmMhEjGlMJ+YPOvRNbsnsk94GyTAkrP\n G9a8G5fGQQuE6WHym9/qgZFQIK39q40JSxMPIBbWh0vKyR9/N3sEE7o0KVGBBo=","X-Proofpoint-ORIG-GUID":"Bwy4s5e7HmDEjrxFgZDGBuNQHX5YhvUS","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=2026-04-14_03,2026-04-13_04,2025-10-01_01","X-Proofpoint-Spam-Details":"rule=notspam policy=default score=0\n lowpriorityscore=0 clxscore=1030 phishscore=0 mlxlogscore=710 spamscore=0\n adultscore=0 mlxscore=0 bulkscore=0 malwarescore=0 suspectscore=0\n classifier=spam authscore=0 adjust=0 reason=mlx scancount=1\n engine=8.22.0-2601150000 definitions=main-2604140172","Received-SPF":"pass client-ip=57.103.66.196;\n envelope-from=mohamed@unpredictable.fr; helo=outbound.pv.icloud.com","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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\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":"This applies on top of the \"whpx: i386: bug fixes, feature probing and CPUID\" series.\n\n\"target: i386: HLT type that ignores EFLAGS.IF\" is probably the most worthwhile patch\nhere, and that not-quite-an-HLT might be what's needed to reduce CPU idle on KVM on\nrecent Windows versions too..\n\nBased-on: <20260413205208.50643-1-mohamed@unpredictable.fr>\n\nMohamed Mediouni (7):\n whpx: i386: set apicbase value only on success\n whpx: i386: unknown MSR configurability\n whpx: i386: enable GuestIdleReg enlightenment\n whpx: i386: tighten APIC base validity check\n whpx: i386: ignore vpassist when kernel-irqchip=off\n target: i386: HLT type that ignores EFLAGS.IF\n whpx: i386: add HV_X64_MSR_GUEST_IDLE when !kernel-irqchip\n\n accel/whpx/whpx-common.c | 38 ++++++++++++++++++\n include/system/whpx-internal.h | 1 +\n target/i386/cpu.c | 10 +++--\n target/i386/cpu.h | 2 +\n target/i386/whpx/whpx-all.c | 70 +++++++++++++++++++++++++++++++---\n 5 files changed, 112 insertions(+), 9 deletions(-)"}