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Tsirkin" , Peter Maydell , Zhao Liu Subject: [PATCH v2 12/38] whpx: i386: disable enlightenments and LAPIC for isapc Date: Mon, 20 Apr 2026 12:42:22 +0200 Message-ID: <20260420104248.86702-13-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-Spam-Details-Enc: AW1haW4tMjYwNDIwMDEwNCBTYWx0ZWRfXxjvbCepagAjn ZdMVIr4oj3Snew99sTCdX+R4pAd8RUzhrxURYc3GAKlwjDb6npkQeOi4ux+CRQZrldl3UY45Bhj 8M5ilmpJ8ayKheufeK8rEpR79gxizl7ZkahRX/gJt2euzblbYPP5hUr1IKZiUMbPu4AQmHUL7JS EtjY45v8xrSxYQTnjX2Aot/IBCPzTCSl4u5ilElkW6B05XmeAMocSq4Ptu1FtswIIKDOzj+4iAr bnHvSdQbxnJLH9G1Nw9xJO6Y6vDQuihnMT3sqO/tc5KzP3fy1N5Zf4yPbYctP2QIDz1kMaOZT0H T4VH0zE8Kh6qd5iuOSQlXba1jMsI7xTqE/Ao3DyDYjH34x/JmhmOcWz6hjRrGw= X-Authority-Info-Out: v=2.4 cv=Z+zh3XRA c=1 sm=1 tr=0 ts=69e6034d cx=c_apl:c_pps:t_out a=qkKslKyYc0ctBTeLUVfTFg==:117 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=kaNVauZA35-AGszze7oA:9 X-Proofpoint-ORIG-GUID: dHfS9Sf_op2BC3kfYYMOpZIEm8yd27jN X-Proofpoint-GUID: dHfS9Sf_op2BC3kfYYMOpZIEm8yd27jN 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 bulkscore=0 mlxlogscore=891 spamscore=0 phishscore=0 clxscore=1030 adultscore=0 suspectscore=0 malwarescore=0 lowpriorityscore=0 mlxscore=0 classifier=spam authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2604200104 Received-SPF: pass client-ip=57.103.72.54; 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 The isapc machine doesn't have an APIC. And Hyper-V enlightenments don't sound too useful to have there so disable those. Signed-off-by: Mohamed Mediouni --- target/i386/whpx/whpx-all.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c index 4deeffbcfc..d38b83d274 100644 --- a/target/i386/whpx/whpx-all.c +++ b/target/i386/whpx/whpx-all.c @@ -2470,6 +2470,14 @@ int whpx_accel_init(AccelState *as, MachineState *ms) goto error; } + /* for isapc, disable Hyper-V enlightenments and LAPIC */ + if (!strcmp(MACHINE_GET_CLASS(ms)->name, "isapc")) { + whpx->kernel_irqchip_allowed = false; + whpx->kernel_irqchip_required = false; + whpx->hyperv_enlightenments_allowed = false; + whpx->hyperv_enlightenments_required = false; + } + whpx->mem_quota = ms->ram_size; hr = whp_dispatch.WHvGetCapability( -- 2.50.1 (Apple Git-155)