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b=PC4YTV8CXACiYmoq ICtb0cHEMHXjxRvmgl3OdReT9VQiCTSuLDQ7NIvTeryiZrPZZkpPHjHhflofRX0m lfe450LhAFwl9XLYQt+CyeACLXYJY73FMvuBxXquxEUvDzc7hIc5EzWCvcKvQy6a Bp45eXTJoOS3BRURz1trisl7bFEP8bqVUL7SNszpls8/DgI0Uqtze2nQAu0bQhoc UfPSkXkyD+VfrLVAWY4jkfAIH+IjmzXwISm7LxdJbdJn7r6Q0GtL7DEjRvL10xFD xVMhgOcCpB9Eo5uFHSsOqwxhdoeX/kSZcF+nRLZPVJXrkbOfu2yGVn1CBqOWAlUM XT9w2g== From: Harsh Prateek Bora To: qemu-ppc@nongnu.org, qemu-devel@nongnu.org Cc: npiggin@gmail.com, danielhb413@gmail.com, clg@kaod.org Subject: [PATCH v3 09/14] ppc/spapr: remove deprecated machine pseries-2.9 Date: Mon, 7 Oct 2024 21:08:33 +0530 Message-ID: <20241007153838.1085522-10-harshpb@linux.ibm.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241007153838.1085522-1-harshpb@linux.ibm.com> References: <20241007153838.1085522-1-harshpb@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 6MQg2lpwSytMZpSOtLCVoylVi-JJ5_SJ X-Proofpoint-ORIG-GUID: OTrL5tdhbUg5ebXFucLHmkH4-NkvCkFm X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-07_08,2024-10-07_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 malwarescore=0 suspectscore=0 clxscore=1015 priorityscore=1501 adultscore=0 mlxlogscore=999 spamscore=0 impostorscore=0 lowpriorityscore=0 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410070108 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.158.5; envelope-from=harshpb@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1728315649230116600 Commit 1392617d3576 intended to tag pseries-2.1 - 2.11 machines as deprecated with reasons mentioned in its commit log. Removing pseries-2.9 specific code with this patch for now. While at it, also remove the pre-2.10 migration hacks which now become obsolete. Suggested-by: C=C3=A9dric Le Goater Reviewed-by: C=C3=A9dric Le Goater Signed-off-by: Harsh Prateek Bora --- include/hw/ppc/spapr.h | 1 - target/ppc/cpu.h | 1 - hw/intc/xics.c | 16 ------- hw/ppc/spapr.c | 104 ----------------------------------------- migration/savevm.c | 19 -------- target/ppc/cpu_init.c | 2 - target/ppc/machine.c | 2 +- 7 files changed, 1 insertion(+), 144 deletions(-) diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h index 6e9e62386c..af4aa1cb0f 100644 --- a/include/hw/ppc/spapr.h +++ b/include/hw/ppc/spapr.h @@ -143,7 +143,6 @@ struct SpaprMachineClass { /*< public >*/ bool dr_phb_enabled; /* enable dynamic-reconfig/hotplug of PHBs = */ bool update_dt_enabled; /* enable KVMPPC_H_UPDATE_DT */ - bool pre_2_10_has_unused_icps; bool legacy_irq_allocation; uint32_t nr_xirqs; bool broken_host_serial_model; /* present real host info to the guest = */ diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index cab4a46fc1..74a0ab768d 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -1456,7 +1456,6 @@ struct ArchCPU { opc_handler_t *opcodes[PPC_CPU_OPCODES_LEN]; =20 /* Fields related to migration compatibility hacks */ - bool pre_2_10_migration; bool pre_3_0_migration; int32_t mig_slb_nr; }; diff --git a/hw/intc/xics.c b/hw/intc/xics.c index 6f4d5271ea..e893363dc9 100644 --- a/hw/intc/xics.c +++ b/hw/intc/xics.c @@ -335,22 +335,6 @@ static void icp_realize(DeviceState *dev, Error **errp) return; } } - /* - * The way that pre_2_10_icp is handling is really, really hacky. - * We used to have here this call: - * - * vmstate_register(NULL, icp->cs->cpu_index, &vmstate_icp_server, icp= ); - * - * But we were doing: - * pre_2_10_vmstate_register_dummy_icp() - * this vmstate_register() - * pre_2_10_vmstate_unregister_dummy_icp() - * - * So for a short amount of time we had to vmstate entries with - * the same name. This fixes it. - */ - vmstate_replace_hack_for_ppc(NULL, icp->cs->cpu_index, - &vmstate_icp_server, icp); } =20 static void icp_unrealize(DeviceState *dev) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 93decfcbeb..14a1314af6 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -132,61 +132,6 @@ static bool spapr_is_thread0_in_vcore(SpaprMachineStat= e *spapr, return spapr_get_vcpu_id(cpu) % spapr->vsmt =3D=3D 0; } =20 -static bool pre_2_10_vmstate_dummy_icp_needed(void *opaque) -{ - /* Dummy entries correspond to unused ICPState objects in older QEMUs, - * and newer QEMUs don't even have them. In both cases, we don't want - * to send anything on the wire. - */ - return false; -} - -static const VMStateDescription pre_2_10_vmstate_dummy_icp =3D { - /* - * Hack ahead. We can't have two devices with the same name and - * instance id. So I rename this to pass make check. - * Real help from people who knows the hardware is needed. - */ - .name =3D "icp/server", - .version_id =3D 1, - .minimum_version_id =3D 1, - .needed =3D pre_2_10_vmstate_dummy_icp_needed, - .fields =3D (const VMStateField[]) { - VMSTATE_UNUSED(4), /* uint32_t xirr */ - VMSTATE_UNUSED(1), /* uint8_t pending_priority */ - VMSTATE_UNUSED(1), /* uint8_t mfrr */ - VMSTATE_END_OF_LIST() - }, -}; - -/* - * See comment in hw/intc/xics.c:icp_realize() - * - * You have to remove vmstate_replace_hack_for_ppc() when you remove - * the machine types that need the following function. - */ -static void pre_2_10_vmstate_register_dummy_icp(int i) -{ - vmstate_register(NULL, i, &pre_2_10_vmstate_dummy_icp, - (void *)(uintptr_t) i); -} - -/* - * See comment in hw/intc/xics.c:icp_realize() - * - * You have to remove vmstate_replace_hack_for_ppc() when you remove - * the machine types that need the following function. - */ -static void pre_2_10_vmstate_unregister_dummy_icp(int i) -{ - /* - * This used to be: - * - * vmstate_unregister(NULL, &pre_2_10_vmstate_dummy_icp, - * (void *)(uintptr_t) i); - */ -} - int spapr_max_server_number(SpaprMachineState *spapr) { MachineState *ms =3D MACHINE(spapr); @@ -2711,7 +2656,6 @@ static void spapr_init_cpus(SpaprMachineState *spapr) { MachineState *machine =3D MACHINE(spapr); MachineClass *mc =3D MACHINE_GET_CLASS(machine); - SpaprMachineClass *smc =3D SPAPR_MACHINE_GET_CLASS(machine); const char *type =3D spapr_get_cpu_core_type(machine->cpu_type); const CPUArchIdList *possible_cpus; unsigned int smp_cpus =3D machine->smp.cpus; @@ -2740,15 +2684,6 @@ static void spapr_init_cpus(SpaprMachineState *spapr) boot_cores_nr =3D possible_cpus->len; } =20 - if (smc->pre_2_10_has_unused_icps) { - for (i =3D 0; i < spapr_max_server_number(spapr); i++) { - /* Dummy entries get deregistered when real ICPState objects - * are registered during CPU core hotplug. - */ - pre_2_10_vmstate_register_dummy_icp(i); - } - } - for (i =3D 0; i < possible_cpus->len; i++) { int core_id =3D i * smp_threads; =20 @@ -3914,21 +3849,9 @@ void spapr_core_release(DeviceState *dev) static void spapr_core_unplug(HotplugHandler *hotplug_dev, DeviceState *de= v) { MachineState *ms =3D MACHINE(hotplug_dev); - SpaprMachineClass *smc =3D SPAPR_MACHINE_GET_CLASS(ms); CPUCore *cc =3D CPU_CORE(dev); CPUArchId *core_slot =3D spapr_find_cpu_slot(ms, cc->core_id, NULL); =20 - if (smc->pre_2_10_has_unused_icps) { - SpaprCpuCore *sc =3D SPAPR_CPU_CORE(OBJECT(dev)); - int i; - - for (i =3D 0; i < cc->nr_threads; i++) { - CPUState *cs =3D CPU(sc->threads[i]); - - pre_2_10_vmstate_register_dummy_icp(cs->cpu_index); - } - } - assert(core_slot); core_slot->cpu =3D NULL; qdev_unrealize(dev); @@ -4009,7 +3932,6 @@ static void spapr_core_plug(HotplugHandler *hotplug_d= ev, DeviceState *dev) { SpaprMachineState *spapr =3D SPAPR_MACHINE(OBJECT(hotplug_dev)); MachineClass *mc =3D MACHINE_GET_CLASS(spapr); - SpaprMachineClass *smc =3D SPAPR_MACHINE_CLASS(mc); SpaprCpuCore *core =3D SPAPR_CPU_CORE(OBJECT(dev)); CPUCore *cc =3D CPU_CORE(dev); SpaprDrc *drc; @@ -4059,12 +3981,6 @@ static void spapr_core_plug(HotplugHandler *hotplug_= dev, DeviceState *dev) } } =20 - if (smc->pre_2_10_has_unused_icps) { - for (i =3D 0; i < cc->nr_threads; i++) { - CPUState *cs =3D CPU(core->threads[i]); - pre_2_10_vmstate_unregister_dummy_icp(cs->cpu_index); - } - } } =20 static void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *= dev, @@ -5165,26 +5081,6 @@ static void spapr_machine_2_10_class_options(Machine= Class *mc) =20 DEFINE_SPAPR_MACHINE(2, 10); =20 -/* - * pseries-2.9 - */ - -static void spapr_machine_2_9_class_options(MachineClass *mc) -{ - SpaprMachineClass *smc =3D SPAPR_MACHINE_CLASS(mc); - static GlobalProperty compat[] =3D { - { TYPE_POWERPC_CPU, "pre-2.10-migration", "on" }, - }; - - spapr_machine_2_10_class_options(mc); - compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len); - compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); - smc->pre_2_10_has_unused_icps =3D true; - smc->resize_hpt_default =3D SPAPR_RESIZE_HPT_DISABLED; -} - -DEFINE_SPAPR_MACHINE(2, 9); - static void spapr_machine_register_types(void) { type_register_static(&spapr_machine_info); diff --git a/migration/savevm.c b/migration/savevm.c index 7e1e27182a..839a34402b 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -860,25 +860,6 @@ static void vmstate_check(const VMStateDescription *vm= sd) } } =20 -/* - * See comment in hw/intc/xics.c:icp_realize() - * - * This function can be removed when - * pre_2_10_vmstate_register_dummy_icp() is removed. - */ -int vmstate_replace_hack_for_ppc(VMStateIf *obj, int instance_id, - const VMStateDescription *vmsd, - void *opaque) -{ - SaveStateEntry *se =3D find_se(vmsd->name, instance_id); - - if (se) { - savevm_state_handler_remove(se); - g_free(se->compat); - g_free(se); - } - return vmstate_register(obj, instance_id, vmsd, opaque); -} =20 int vmstate_register_with_alias_id(VMStateIf *obj, uint32_t instance_id, const VMStateDescription *vmsd, diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index 7768392986..39c19e6674 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -7452,8 +7452,6 @@ static void ppc_disas_set_info(CPUState *cs, disassem= ble_info *info) } =20 static Property ppc_cpu_properties[] =3D { - DEFINE_PROP_BOOL("pre-2.10-migration", PowerPCCPU, pre_2_10_migration, - false), DEFINE_PROP_BOOL("pre-3.0-migration", PowerPCCPU, pre_3_0_migration, false), DEFINE_PROP_END_OF_LIST(), diff --git a/target/ppc/machine.c b/target/ppc/machine.c index 21bed7c7c8..47495b68b1 100644 --- a/target/ppc/machine.c +++ b/target/ppc/machine.c @@ -630,7 +630,7 @@ static bool compat_needed(void *opaque) PowerPCCPU *cpu =3D opaque; =20 assert(!(cpu->compat_pvr && !cpu->vhyp)); - return !cpu->pre_2_10_migration && cpu->compat_pvr !=3D 0; + return cpu->compat_pvr !=3D 0; } =20 static const VMStateDescription vmstate_compat =3D { --=20 2.45.2