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Tsirkin" , Peter Maydell , Zhao Liu Subject: [PATCH v2 25/38] whpx: i386: set WHvX64RegisterInitialApicId Date: Mon, 20 Apr 2026 12:42:35 +0200 Message-ID: <20260420104248.86702-26-mohamed@unpredictable.fr> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260420104248.86702-1-mohamed@unpredictable.fr> References: <20260420104248.86702-1-mohamed@unpredictable.fr> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: a_TvRe2NSjKDywicjhKezEHGYUEThNt0 X-Authority-Info-Out: v=2.4 cv=DOGCIiNb c=1 sm=1 tr=0 ts=69e6036c cx=c_apl:c_pps:t_out a=qkKslKyYc0ctBTeLUVfTFg==:117 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=DsSKBDvzyVHF_5agjq4A:9 X-Proofpoint-ORIG-GUID: a_TvRe2NSjKDywicjhKezEHGYUEThNt0 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDIwMDEwNCBTYWx0ZWRfX/siFRm009wgs b5ZmpeRrU/PUjUmdE1AnNkvv+e7ox1aaxa5oZArEUjo+FHqx6FE3viJURRZgbUcZANt+9CTpxos HTPL3C5rkCIlc7JPzX1kw6RB9bOUfU6ys9waJpM1rAiL5AYV1x6GILS+ut0cuCgUBrge3oqCBot vbN/qwp9owBEaoM0og3LExpip8ekW9EHcYry4ibA/qpGKkgc08khSwREArm5cKoyLnuA3HY1xTm UhpXvHceSlqL1/dBEzAm/NmSUj7RSDOQb/jR9jXF4zExxcO+8JKX/rwKfHVYxrGF2vn2EDwH1kI Si5QpjhF7b/EyAMap+b+0yZi1Jhe48kmUf65nd7kYQgH0Zx1raogoCxq+HySoI= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-20_02,2026-04-17_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 lowpriorityscore=0 mlxscore=0 spamscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 mlxlogscore=985 clxscore=1030 classifier=spam authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2604200104 Received-SPF: pass client-ip=57.103.75.93; envelope-from=mohamed@unpredictable.fr; helo=outbound.ms.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, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@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-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Keep Hyper-V aware of the initial APIC ID chosen. Signed-off-by: Mohamed Mediouni --- target/i386/whpx/whpx-all.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c index 5c2a9bb8ad..a7282eb96a 100644 --- a/target/i386/whpx/whpx-all.c +++ b/target/i386/whpx/whpx-all.c @@ -2398,6 +2398,11 @@ int whpx_init_vcpu(CPUState *cpu) goto error; } + if (!whpx_irqchip_in_kernel()) { + WHV_REGISTER_VALUE apic_id = {.Reg64 = x86_cpu->apic_state->initial_apic_id}; + whpx_set_reg(cpu, WHvX64RegisterInitialApicId, apic_id); + } + /* * vcpu's TSC frequency is either specified by user, or use the value * provided by Hyper-V if the former is not present. In the latter case, we -- 2.50.1 (Apple Git-155)