qemu-kvm/0006-Enable-disable-devices-for-RHEL.patch

From 3c93dbb29fed4f555904494efe9b823310a14604 Mon Sep 17 00:00:00 2001
From: Miroslav Rezanina <mrezanin@redhat.com>
Date: Mon, 11 Jan 2016 11:53:33 +0100
Subject: Enable/disable devices for RHEL

This commit adds all changes related to changes in supported devices.

Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>

Rebase notes (qemu 3.1.0)
- spapr_rng disabled in default_config
- new hyperv.mak in default configs
- Move changes from x86_64-softmmu.mak to i386-softmmu.mak
- Added CONFIG_VIRTIO_MMIO to aarch64-softmmu.mak
- Removed config_vga_isa.c changes as no longer needed
- Removed new devices

Rebase notes (4.0.0):
- Added CONFIG_PCI_EXPRESS_GENERIC_BRIDGE for aarch64-softmmu.mak
- Added CONFIG_ARM_VIRT for aarch64-softmmu.mak
- Switch to KConfig (upstream)
 - Using device whitelist + without-defualt-devices option

Rebase notes (4.1.0):
- Added CONFIG_USB_OHCI_PCI for ppc64
- Added CONFIG_XIVE_KVM for ppc64
- Added CONFIG_ACPI_PCI for x86_64
- Added CONFIG_SEMIHOSTING for aarch64
- Cleanup aarch64 devices
- Do not build a15mpcore.c
- Removed ide-isa.c stub file
- Use CONFIG_USB_EHCI_PCI on x86_64 (new upstream)

Rebase notes (4.2.0-rc0):
- Use conditional build for isa-superio.c (upstream change)
- Rename PCI_PIIX to PCI_I440FX (upstream change)

Rebase notes (4.2.0-rc3):
- Disabled ccid-card-emulated (patch 92566)
- Disabled vfio-pci-igd-lpc-bridge (patch 92565)

Rebase notes (5.1.0):
- added CONFIG_PCI_EXPRESS on ppc64 (due to upstream dependency)
- Added CONFIG_NVDIMM
- updated cortex-15 disabling to upstream code
- Add CONFIG_ACPI_APEI for aarch64
- removed obsolete hw/bt/Makefile.objs chunk
- removed unnecessary changes in target/i386/cpu.c

Merged patches (qemu 3.1.0):
- d51e082 Re-enable CONFIG_HYPERV_TESTDEV
- 4b889f3 Declare cirrus-vga as deprecated
- b579d32 Do not build bluetooth support
- 3eef52a Disable CONFIG_IPMI and CONFIG_I2C for ppc64
- 9caf292 Disable CONFIG_CAN_BUS and CONFIG_CAN_SJA1000

Merged patches (4.1.0):
- 20a51f6 fdc: Revert downstream disablement of device "floppy"
- f869cc0 fdc: Restrict floppy controllers to RHEL-7 machine types
- 5909721 aarch64: Compile out IOH3420
- 27b7c44 rh: set CONFIG_BOCHS_DISPLAY=y for x86 (partial)
- 495a27d x86_64-rh-devices: add missing TPM passthrough
- e1fe9fe x86_64-rh-devices: enable TPM emulation (partial)

Merged patches (4.2.0):
- f7587dd RHEL: disable hostmem-memfd

Merged patches (weekly-5.1.0):
- 4543a3c i386: Remove cpu64-rhel6 CPU model
- 96533 aarch64: Remove tcg cpu types (pjw commit)
- 559d589 Revert "RHEL: disable hostmem-memfd"
- 441128e enable ramfb

Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
---
 default-configs/aarch64-rh-devices.mak |  22 ++++++
 default-configs/aarch64-softmmu.mak    |  10 ++-
 default-configs/ppc64-rh-devices.mak   |  34 +++++++++
 default-configs/ppc64-softmmu.mak      |  10 ++-
 default-configs/rh-virtio.mak          |  10 +++
 default-configs/s390x-rh-devices.mak   |  15 ++++
 default-configs/s390x-softmmu.mak      |   4 +-
 default-configs/x86_64-rh-devices.mak  | 100 +++++++++++++++++++++++++
 default-configs/x86_64-softmmu.mak     |   4 +-
 hw/acpi/ich9.c                         |   4 +-
 hw/arm/Makefile.objs                   |   2 +-
 hw/block/fdc.c                         |  10 +++
 hw/cpu/Makefile.objs                   |   5 +-
 hw/display/cirrus_vga.c                |   3 +
 hw/ide/piix.c                          |   5 +-
 hw/input/pckbd.c                       |   2 +
 hw/net/e1000.c                         |   2 +
 hw/ppc/spapr_cpu_core.c                |   2 +
 hw/usb/Makefile.objs                   |   4 +-
 qemu-options.hx                        |   4 -
 redhat/qemu-kvm.spec.template          |   5 +-
 softmmu/vl.c                           |   2 +-
 target/arm/cpu.c                       |   4 +-
 target/arm/cpu_tcg.c                   |   3 +
 target/i386/cpu.c                      |   1 +
 target/ppc/cpu-models.c                |  10 +++
 target/s390x/cpu_models.c              |   3 +
 target/s390x/kvm.c                     |   8 ++
 28 files changed, 263 insertions(+), 25 deletions(-)
 create mode 100644 default-configs/aarch64-rh-devices.mak
 create mode 100644 default-configs/ppc64-rh-devices.mak
 create mode 100644 default-configs/rh-virtio.mak
 create mode 100644 default-configs/s390x-rh-devices.mak
 create mode 100644 default-configs/x86_64-rh-devices.mak

diff --git a/default-configs/aarch64-rh-devices.mak b/default-configs/aarch64-rh-devices.mak
new file mode 100644
index 0000000000..f0cf5a1b22
--- /dev/null
+++ b/default-configs/aarch64-rh-devices.mak
@@ -0,0 +1,22 @@
+include rh-virtio.mak
+
+CONFIG_ARM_GIC_KVM=y
+CONFIG_ARM_SMMUV3=y
+CONFIG_ARM_V7M=y
+CONFIG_ARM_VIRT=y
+CONFIG_EDID=y
+CONFIG_PCIE_PORT=y
+CONFIG_PCI_DEVICES=y
+CONFIG_PCI_TESTDEV=y
+CONFIG_PFLASH_CFI01=y
+CONFIG_SCSI=y
+CONFIG_SEMIHOSTING=y
+CONFIG_USB=y
+CONFIG_USB_XHCI=y
+CONFIG_VFIO=y
+CONFIG_VFIO_PCI=y
+CONFIG_VIRTIO_MMIO=y
+CONFIG_VIRTIO_PCI=y
+CONFIG_XIO3130=y
+CONFIG_NVDIMM=y
+CONFIG_ACPI_APEI=y
diff --git a/default-configs/aarch64-softmmu.mak b/default-configs/aarch64-softmmu.mak
index 958b1e08e4..8f6867d48a 100644
--- a/default-configs/aarch64-softmmu.mak
+++ b/default-configs/aarch64-softmmu.mak
@@ -1,8 +1,10 @@
 # Default configuration for aarch64-softmmu
 
 # We support all the 32 bit boards so need all their config
-include arm-softmmu.mak
+#include arm-softmmu.mak
 
-CONFIG_XLNX_ZYNQMP_ARM=y
-CONFIG_XLNX_VERSAL=y
-CONFIG_SBSA_REF=y
+#CONFIG_XLNX_ZYNQMP_ARM=y
+#CONFIG_XLNX_VERSAL=y
+#CONFIG_SBSA_REF=y
+
+include aarch64-rh-devices.mak
diff --git a/default-configs/ppc64-rh-devices.mak b/default-configs/ppc64-rh-devices.mak
new file mode 100644
index 0000000000..ecbe53fe63
--- /dev/null
+++ b/default-configs/ppc64-rh-devices.mak
@@ -0,0 +1,34 @@
+include rh-virtio.mak
+
+CONFIG_DIMM=y
+CONFIG_MEM_DEVICE=y
+CONFIG_NVDIMM=y
+CONFIG_PCI=y
+CONFIG_PCI_DEVICES=y
+CONFIG_PCI_TESTDEV=y
+CONFIG_PCI_EXPRESS=y
+CONFIG_PSERIES=y
+CONFIG_SCSI=y
+CONFIG_SPAPR_VSCSI=y
+CONFIG_TEST_DEVICES=y
+CONFIG_USB=y
+CONFIG_USB_OHCI=y
+CONFIG_USB_OHCI_PCI=y
+CONFIG_USB_SMARTCARD=y
+CONFIG_USB_STORAGE_BOT=y
+CONFIG_USB_XHCI=y
+CONFIG_USB_XHCI_NEC=y
+CONFIG_VFIO=y
+CONFIG_VFIO_PCI=y
+CONFIG_VGA=y
+CONFIG_VGA_PCI=y
+CONFIG_VHOST_USER=y
+CONFIG_VIRTIO_PCI=y
+CONFIG_VIRTIO_VGA=y
+CONFIG_WDT_IB6300ESB=y
+CONFIG_XICS=y
+CONFIG_XICS_KVM=y
+CONFIG_XICS_SPAPR=y
+CONFIG_XIVE=y
+CONFIG_XIVE_SPAPR=y
+CONFIG_XIVE_KVM=y
diff --git a/default-configs/ppc64-softmmu.mak b/default-configs/ppc64-softmmu.mak
index ae0841fa3a..040e5575e7 100644
--- a/default-configs/ppc64-softmmu.mak
+++ b/default-configs/ppc64-softmmu.mak
@@ -1,11 +1,13 @@
 # Default configuration for ppc64-softmmu
 
 # Include all 32-bit boards
-include ppc-softmmu.mak
+#include ppc-softmmu.mak
 
 # For PowerNV
-CONFIG_POWERNV=y
+#CONFIG_POWERNV=y
 
 # For pSeries
-CONFIG_PSERIES=y
-CONFIG_NVDIMM=y
+#CONFIG_PSERIES=y
+#CONFIG_NVDIMM=y
+
+include ppc64-rh-devices.mak
diff --git a/default-configs/rh-virtio.mak b/default-configs/rh-virtio.mak
new file mode 100644
index 0000000000..94ede1b5f6
--- /dev/null
+++ b/default-configs/rh-virtio.mak
@@ -0,0 +1,10 @@
+CONFIG_VIRTIO=y
+CONFIG_VIRTIO_BALLOON=y
+CONFIG_VIRTIO_BLK=y
+CONFIG_VIRTIO_GPU=y
+CONFIG_VIRTIO_INPUT=y
+CONFIG_VIRTIO_INPUT_HOST=y
+CONFIG_VIRTIO_NET=y
+CONFIG_VIRTIO_RNG=y
+CONFIG_VIRTIO_SCSI=y
+CONFIG_VIRTIO_SERIAL=y
diff --git a/default-configs/s390x-rh-devices.mak b/default-configs/s390x-rh-devices.mak
new file mode 100644
index 0000000000..c3c73fe752
--- /dev/null
+++ b/default-configs/s390x-rh-devices.mak
@@ -0,0 +1,15 @@
+include rh-virtio.mak
+
+CONFIG_PCI=y
+CONFIG_S390_CCW_VIRTIO=y
+CONFIG_S390_FLIC=y
+CONFIG_S390_FLIC_KVM=y
+CONFIG_SCLPCONSOLE=y
+CONFIG_SCSI=y
+CONFIG_TERMINAL3270=y
+CONFIG_VFIO=y
+CONFIG_VFIO_AP=y
+CONFIG_VFIO_PCI=y
+CONFIG_VHOST_USER=y
+CONFIG_VIRTIO_CCW=y
+CONFIG_WDT_DIAG288=y
diff --git a/default-configs/s390x-softmmu.mak b/default-configs/s390x-softmmu.mak
index f2287a133f..3e2e388e91 100644
--- a/default-configs/s390x-softmmu.mak
+++ b/default-configs/s390x-softmmu.mak
@@ -10,4 +10,6 @@
 
 # Boards:
 #
-CONFIG_S390_CCW_VIRTIO=y
+#CONFIG_S390_CCW_VIRTIO=y
+
+include s390x-rh-devices.mak
diff --git a/default-configs/x86_64-rh-devices.mak b/default-configs/x86_64-rh-devices.mak
new file mode 100644
index 0000000000..d59b6d9bb5
--- /dev/null
+++ b/default-configs/x86_64-rh-devices.mak
@@ -0,0 +1,100 @@
+include rh-virtio.mak
+
+CONFIG_AC97=y
+CONFIG_ACPI=y
+CONFIG_ACPI_PCI=y
+CONFIG_ACPI_CPU_HOTPLUG=y
+CONFIG_ACPI_MEMORY_HOTPLUG=y
+CONFIG_ACPI_NVDIMM=y
+CONFIG_ACPI_SMBUS=y
+CONFIG_ACPI_VMGENID=y
+CONFIG_ACPI_X86=y
+CONFIG_ACPI_X86_ICH=y
+CONFIG_AHCI=y
+CONFIG_APIC=y
+CONFIG_APM=y
+CONFIG_BOCHS_DISPLAY=y
+CONFIG_DIMM=y
+CONFIG_E1000E_PCI_EXPRESS=y
+CONFIG_E1000_PCI=y
+CONFIG_EDU=y
+CONFIG_FDC=y
+CONFIG_FW_CFG_DMA=y
+CONFIG_HDA=y
+CONFIG_HYPERV=y
+CONFIG_HYPERV_TESTDEV=y
+CONFIG_I2C=y
+CONFIG_I440FX=y
+CONFIG_I8254=y
+CONFIG_I8257=y
+CONFIG_I8259=y
+CONFIG_I82801B11=y
+CONFIG_IDE_CORE=y
+CONFIG_IDE_PCI=y
+CONFIG_IDE_PIIX=y
+CONFIG_IDE_QDEV=y
+CONFIG_IOAPIC=y
+CONFIG_IOH3420=y
+CONFIG_ISA_BUS=y
+CONFIG_ISA_DEBUG=y
+CONFIG_ISA_TESTDEV=y
+CONFIG_LPC_ICH9=y
+CONFIG_MC146818RTC=y
+CONFIG_MEM_DEVICE=y
+CONFIG_NVDIMM=y
+CONFIG_OPENGL=y
+CONFIG_PAM=y
+CONFIG_PC=y
+CONFIG_PCI=y
+CONFIG_PCIE_PORT=y
+CONFIG_PCI_DEVICES=y
+CONFIG_PCI_EXPRESS=y
+CONFIG_PCI_EXPRESS_Q35=y
+CONFIG_PCI_I440FX=y
+CONFIG_PCI_TESTDEV=y
+CONFIG_PCKBD=y
+CONFIG_PCSPK=y
+CONFIG_PC_ACPI=y
+CONFIG_PC_PCI=y
+CONFIG_PFLASH_CFI01=y
+CONFIG_PVPANIC=y
+CONFIG_PXB=y
+CONFIG_Q35=y
+CONFIG_QXL=y
+CONFIG_RTL8139_PCI=y
+CONFIG_SCSI=y
+CONFIG_SERIAL=y
+CONFIG_SERIAL_ISA=y
+CONFIG_SERIAL_PCI=y
+CONFIG_SEV=y
+CONFIG_SGA=y
+CONFIG_SMBIOS=y
+CONFIG_SMBUS_EEPROM=y
+CONFIG_SPICE=y
+CONFIG_TEST_DEVICES=y
+CONFIG_USB=y
+CONFIG_USB_EHCI=y
+CONFIG_USB_EHCI_PCI=y
+CONFIG_USB_SMARTCARD=y
+CONFIG_USB_STORAGE_BOT=y
+CONFIG_USB_UHCI=y
+CONFIG_USB_XHCI=y
+CONFIG_USB_XHCI_NEC=y
+CONFIG_VFIO=y
+CONFIG_VFIO_PCI=y
+CONFIG_VGA=y
+CONFIG_VGA_CIRRUS=y
+CONFIG_VGA_PCI=y
+CONFIG_VHOST_USER=y
+CONFIG_VIRTIO_PCI=y
+CONFIG_VIRTIO_VGA=y
+CONFIG_VMMOUSE=y
+CONFIG_VMPORT=y
+CONFIG_VTD=y
+CONFIG_WDT_IB6300ESB=y
+CONFIG_WDT_IB700=y
+CONFIG_XIO3130=y
+CONFIG_TPM_CRB=y
+CONFIG_TPM_TIS=y
+CONFIG_TPM_EMULATOR=y
+CONFIG_TPM_PASSTHROUGH=y
diff --git a/default-configs/x86_64-softmmu.mak b/default-configs/x86_64-softmmu.mak
index 64b2ee2960..b5de7e5279 100644
--- a/default-configs/x86_64-softmmu.mak
+++ b/default-configs/x86_64-softmmu.mak
@@ -1,3 +1,5 @@
 # Default configuration for x86_64-softmmu
 
-include i386-softmmu.mak
+#include i386-softmmu.mak
+
+include x86_64-rh-devices.mak
diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
index 6a19070cec..bb8379f6a7 100644
--- a/hw/acpi/ich9.c
+++ b/hw/acpi/ich9.c
@@ -374,8 +374,8 @@ void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm)
     static const uint32_t gpe0_len = ICH9_PMIO_GPE0_LEN;
     pm->acpi_memory_hotplug.is_enabled = true;
     pm->cpu_hotplug_legacy = true;
-    pm->disable_s3 = 0;
-    pm->disable_s4 = 0;
+    pm->disable_s3 = 1;
+    pm->disable_s4 = 1;
     pm->s4_val = 2;
 
     object_property_add_uint32_ptr(obj, ACPI_PM_PROP_PM_IO_BASE,
diff --git a/hw/arm/Makefile.objs b/hw/arm/Makefile.objs
index 534a6a119e..bd62442b54 100644
--- a/hw/arm/Makefile.objs
+++ b/hw/arm/Makefile.objs
@@ -28,7 +28,7 @@ obj-$(CONFIG_VEXPRESS) += vexpress.o
 obj-$(CONFIG_ZYNQ) += xilinx_zynq.o
 obj-$(CONFIG_SABRELITE) += sabrelite.o
 
-obj-$(CONFIG_ARM_V7M) += armv7m.o
+#obj-$(CONFIG_ARM_V7M) += armv7m.o
 obj-$(CONFIG_EXYNOS4) += exynos4210.o
 obj-$(CONFIG_PXA2XX) += pxa2xx.o pxa2xx_gpio.o pxa2xx_pic.o
 obj-$(CONFIG_DIGIC) += digic.o
diff --git a/hw/block/fdc.c b/hw/block/fdc.c
index e9ed3eef45..965528a512 100644
--- a/hw/block/fdc.c
+++ b/hw/block/fdc.c
@@ -47,6 +47,8 @@
 #include "qemu/module.h"
 #include "trace.h"
 
+#include "hw/boards.h"
+
 /********************************************************/
 /* debug Floppy devices */
 
@@ -2621,6 +2623,14 @@ static void fdctrl_realize_common(DeviceState *dev, FDCtrl *fdctrl,
     int i, j;
     static int command_tables_inited = 0;
 
+    /* Restricted for Red Hat Enterprise Linux: */
+    MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
+    if (!strstr(mc->name, "-rhel7.")) {
+        error_setg(errp, "Device %s is not supported with machine type %s",
+                   object_get_typename(OBJECT(dev)), mc->name);
+        return;
+    }
+
     if (fdctrl->fallback == FLOPPY_DRIVE_TYPE_AUTO) {
         error_setg(errp, "Cannot choose a fallback FDrive type of 'auto'");
         return;
diff --git a/hw/cpu/Makefile.objs b/hw/cpu/Makefile.objs
index 8db9e8a7b3..1601ea93c7 100644
--- a/hw/cpu/Makefile.objs
+++ b/hw/cpu/Makefile.objs
@@ -1,5 +1,6 @@
 obj-$(CONFIG_ARM11MPCORE) += arm11mpcore.o
 obj-$(CONFIG_REALVIEW) += realview_mpcore.o
 obj-$(CONFIG_A9MPCORE) += a9mpcore.o
-obj-$(CONFIG_A15MPCORE) += a15mpcore.o
-common-obj-y += core.o cluster.o
+#obj-$(CONFIG_A15MPCORE) += a15mpcore.o
+common-obj-y += core.o
+# cluster.o
diff --git a/hw/display/cirrus_vga.c b/hw/display/cirrus_vga.c
index 212d6f5e61..f2504e5649 100644
--- a/hw/display/cirrus_vga.c
+++ b/hw/display/cirrus_vga.c
@@ -2958,6 +2958,9 @@ static void pci_cirrus_vga_realize(PCIDevice *dev, Error **errp)
      PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
      int16_t device_id = pc->device_id;
 
+     warn_report("'cirrus-vga' is deprecated, "
+                 "please use a different VGA card instead");
+
      /* follow real hardware, cirrus card emulated has 4 MB video memory.
        Also accept 8 MB/16 MB for backward compatibility. */
      if (s->vga.vram_size_mb != 4 && s->vga.vram_size_mb != 8 &&
diff --git a/hw/ide/piix.c b/hw/ide/piix.c
index b402a93636..d3621a45d9 100644
--- a/hw/ide/piix.c
+++ b/hw/ide/piix.c
@@ -221,7 +221,8 @@ static void piix3_ide_class_init(ObjectClass *klass, void *data)
     k->device_id = PCI_DEVICE_ID_INTEL_82371SB_1;
     k->class_id = PCI_CLASS_STORAGE_IDE;
     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
-    dc->hotpluggable = false;
+    /* Disabled for Red Hat Enterprise Linux: */
+    dc->user_creatable = false;
 }
 
 static const TypeInfo piix3_ide_info = {
@@ -250,6 +251,8 @@ static void piix4_ide_class_init(ObjectClass *klass, void *data)
     k->class_id = PCI_CLASS_STORAGE_IDE;
     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
     dc->hotpluggable = false;
+    /* Disabled for Red Hat Enterprise Linux: */
+    dc->user_creatable = false;
 }
 
 static const TypeInfo piix4_ide_info = {
diff --git a/hw/input/pckbd.c b/hw/input/pckbd.c
index 29d633ca94..1442f46195 100644
--- a/hw/input/pckbd.c
+++ b/hw/input/pckbd.c
@@ -599,6 +599,8 @@ static void i8042_class_initfn(ObjectClass *klass, void *data)
     dc->vmsd = &vmstate_kbd_isa;
     isa->build_aml = i8042_build_aml;
     set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
+    /* Disabled for Red Hat Enterprise Linux: */
+    dc->user_creatable = false;
 }
 
 static const TypeInfo i8042_info = {
diff --git a/hw/net/e1000.c b/hw/net/e1000.c
index a18f80e369..960b2f00ee 100644
--- a/hw/net/e1000.c
+++ b/hw/net/e1000.c
@@ -1797,6 +1797,7 @@ static const E1000Info e1000_devices[] = {
         .revision  = 0x03,
         .phy_id2   = E1000_PHY_ID2_8254xx_DEFAULT,
     },
+#if 0 /* Disabled for Red Hat Enterprise Linux 7 */
     {
         .name      = "e1000-82544gc",
         .device_id = E1000_DEV_ID_82544GC_COPPER,
@@ -1809,6 +1810,7 @@ static const E1000Info e1000_devices[] = {
         .revision  = 0x03,
         .phy_id2   = E1000_PHY_ID2_8254xx_DEFAULT,
     },
+#endif
 };
 
 static void e1000_register_types(void)
diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c
index c4f47dcc04..6a2239d5e5 100644
--- a/hw/ppc/spapr_cpu_core.c
+++ b/hw/ppc/spapr_cpu_core.c
@@ -389,10 +389,12 @@ static const TypeInfo spapr_cpu_core_type_infos[] = {
         .instance_size = sizeof(SpaprCpuCore),
         .class_size = sizeof(SpaprCpuCoreClass),
     },
+#if 0  /* Disabled for Red Hat Enterprise Linux */
     DEFINE_SPAPR_CPU_CORE_TYPE("970_v2.2"),
     DEFINE_SPAPR_CPU_CORE_TYPE("970mp_v1.0"),
     DEFINE_SPAPR_CPU_CORE_TYPE("970mp_v1.1"),
     DEFINE_SPAPR_CPU_CORE_TYPE("power5+_v2.1"),
+#endif
     DEFINE_SPAPR_CPU_CORE_TYPE("power7_v2.3"),
     DEFINE_SPAPR_CPU_CORE_TYPE("power7+_v2.1"),
     DEFINE_SPAPR_CPU_CORE_TYPE("power8_v2.0"),
diff --git a/hw/usb/Makefile.objs b/hw/usb/Makefile.objs
index e342ff59fa..abf044a20f 100644
--- a/hw/usb/Makefile.objs
+++ b/hw/usb/Makefile.objs
@@ -31,7 +31,9 @@ ifeq ($(CONFIG_USB_SMARTCARD),y)
 common-obj-y                          += dev-smartcard-reader.o
 ifeq ($(CONFIG_SMARTCARD),y)
 common-obj-m                          += smartcard.mo
-smartcard.mo-objs := ccid-card-passthru.o ccid-card-emulated.o
+# Disabled for Red Hat Enterprise Linux:
+#smartcard.mo-objs := ccid-card-passthru.o ccid-card-emulated.o
+smartcard.mo-objs := ccid-card-passthru.o
 smartcard.mo-cflags := $(SMARTCARD_CFLAGS)
 smartcard.mo-libs := $(SMARTCARD_LIBS)
 endif
diff --git a/qemu-options.hx b/qemu-options.hx
index 708583b4ce..1700205035 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -2257,10 +2257,6 @@ ERST
 
 DEF("no-hpet", 0, QEMU_OPTION_no_hpet,
     "-no-hpet        disable HPET\n", QEMU_ARCH_I386)
-SRST
-``-no-hpet``
-    Disable HPET support.
-ERST
 
 DEF("acpitable", HAS_ARG, QEMU_OPTION_acpitable,
     "-acpitable [sig=str][,rev=n][,oem_id=str][,oem_table_id=str][,oem_rev=n][,asl_compiler_id=str][,asl_compiler_rev=n][,{data|file}=file1[:file2]...]\n"
diff --git a/softmmu/vl.c b/softmmu/vl.c
index 4eb9d1f7fd..a1fb06dca0 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -145,7 +145,7 @@ static Chardev **serial_hds;
 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
 int win2k_install_hack = 0;
 int singlestep = 0;
-int no_hpet = 0;
+int no_hpet = 1; /* Always disabled for Red Hat Enterprise Linux */
 int fd_bootchk = 1;
 static int no_reboot;
 int no_shutdown = 0;
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 111579554f..13ad40aa7d 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2338,7 +2338,9 @@ static void arm_cpu_register_types(void)
 
         type_register_static(&idau_interface_type_info);
         for (i = 0; i < cpu_count; ++i) {
-            arm_cpu_register(&arm_cpus[i]);
+            /* RHEL specific: Filter out unsupported cpu models */
+            if (!strcmp(arm_cpus[i].name, "cortex-a15"))
+                arm_cpu_register(&arm_cpus[i]);
         }
     }
 }
diff --git a/target/arm/cpu_tcg.c b/target/arm/cpu_tcg.c
index 00b0e08f33..94d429b61c 100644
--- a/target/arm/cpu_tcg.c
+++ b/target/arm/cpu_tcg.c
@@ -655,6 +655,9 @@ static void arm_tcg_cpu_register_types(void)
 {
     size_t i;
 
+    /* Disable TCG cpu types for Red Hat Enterprise Linux */
+    return;
+
     for (i = 0; i < ARRAY_SIZE(arm_tcg_cpus); ++i) {
         arm_cpu_register(&arm_tcg_cpus[i]);
     }
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 588f32e136..030a5a09ed 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1825,6 +1825,7 @@ static CPUCaches epyc_rome_cache_info = {
 
 static X86CPUDefinition builtin_x86_defs[] = {
     {
+        /* qemu64 is the default CPU model for all machine-types */
         .name = "qemu64",
         .level = 0xd,
         .vendor = CPUID_VENDOR_AMD,
diff --git a/target/ppc/cpu-models.c b/target/ppc/cpu-models.c
index 4ad16863c0..16b2185fd8 100644
--- a/target/ppc/cpu-models.c
+++ b/target/ppc/cpu-models.c
@@ -66,6 +66,7 @@
 #define POWERPC_DEF(_name, _pvr, _type, _desc)                              \
     POWERPC_DEF_SVR(_name, _desc, _pvr, POWERPC_SVR_NONE, _type)
 
+#if 0  /* Embedded and 32-bit CPUs disabled for Red Hat Enterprise Linux */
     /* Embedded PowerPC                                                      */
     /* PowerPC 401 family                                                    */
     POWERPC_DEF("401",           CPU_POWERPC_401,                    401,
@@ -740,8 +741,10 @@
                 "PowerPC 7447A v1.2 (G4)")
     POWERPC_DEF("7457a_v1.2",    CPU_POWERPC_74x7A_v12,              7455,
                 "PowerPC 7457A v1.2 (G4)")
+#endif
     /* 64 bits PowerPC                                                       */
 #if defined(TARGET_PPC64)
+#if 0  /* Disabled for Red Hat Enterprise Linux */
     POWERPC_DEF("970_v2.2",      CPU_POWERPC_970_v22,                970,
                 "PowerPC 970 v2.2")
     POWERPC_DEF("970fx_v1.0",    CPU_POWERPC_970FX_v10,              970,
@@ -760,6 +763,7 @@
                 "PowerPC 970MP v1.1")
     POWERPC_DEF("power5+_v2.1",  CPU_POWERPC_POWER5P_v21,            POWER5P,
                 "POWER5+ v2.1")
+#endif
     POWERPC_DEF("power7_v2.3",   CPU_POWERPC_POWER7_v23,             POWER7,
                 "POWER7 v2.3")
     POWERPC_DEF("power7+_v2.1",  CPU_POWERPC_POWER7P_v21,            POWER7,
@@ -782,6 +786,7 @@
 /* PowerPC CPU aliases                                                     */
 
 PowerPCCPUAlias ppc_cpu_aliases[] = {
+#if 0  /* Embedded and 32-bit CPUs disabled for Red Hat Enterprise Linux */
     { "403", "403gc" },
     { "405", "405d4" },
     { "405cr", "405crc" },
@@ -940,12 +945,15 @@ PowerPCCPUAlias ppc_cpu_aliases[] = {
     { "7447a", "7447a_v1.2" },
     { "7457a", "7457a_v1.2" },
     { "apollo7pm", "7457a_v1.0" },
+#endif
 #if defined(TARGET_PPC64)
+#if 0  /* Disabled for Red Hat Enterprise Linux */
     { "970", "970_v2.2" },
     { "970fx", "970fx_v3.1" },
     { "970mp", "970mp_v1.1" },
     { "power5+", "power5+_v2.1" },
     { "power5gs", "power5+_v2.1" },
+#endif
     { "power7", "power7_v2.3" },
     { "power7+", "power7+_v2.1" },
     { "power8e", "power8e_v2.1" },
@@ -955,6 +963,7 @@ PowerPCCPUAlias ppc_cpu_aliases[] = {
     { "power10", "power10_v1.0" },
 #endif
 
+#if 0  /* Disabled for Red Hat Enterprise Linux */
     /* Generic PowerPCs */
 #if defined(TARGET_PPC64)
     { "ppc64", "970fx_v3.1" },
@@ -962,5 +971,6 @@ PowerPCCPUAlias ppc_cpu_aliases[] = {
     { "ppc32", "604" },
     { "ppc", "604" },
     { "default", "604" },
+#endif
     { NULL, NULL }
 };
diff --git a/target/s390x/cpu_models.c b/target/s390x/cpu_models.c
index c2af226174..e35bf745dd 100644
--- a/target/s390x/cpu_models.c
+++ b/target/s390x/cpu_models.c
@@ -404,6 +404,9 @@ static void check_unavailable_features(const S390CPUModel *max_model,
         (max_model->def->gen == model->def->gen &&
          max_model->def->ec_ga < model->def->ec_ga)) {
         list_add_feat("type", unavailable);
+    } else if (model->def->gen < 11 && kvm_enabled()) {
+        /* Older CPU models are not supported on Red Hat Enterprise Linux */
+        list_add_feat("type", unavailable);
     }
 
     /* detect missing features if any to properly report them */
diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
index f2f75d2a57..8970e4c374 100644
--- a/target/s390x/kvm.c
+++ b/target/s390x/kvm.c
@@ -2494,6 +2494,14 @@ void kvm_s390_apply_cpu_model(const S390CPUModel *model, Error **errp)
         error_setg(errp, "KVM doesn't support CPU models");
         return;
     }
+
+    /* Older CPU models are not supported on Red Hat Enterprise Linux */
+    if (model->def->gen < 11) {
+        error_setg(errp, "KVM: Unsupported CPU type specified: %s",
+                   MACHINE(qdev_get_machine())->cpu_type);
+        return;
+    }
+
     prop.cpuid = s390_cpuid_from_cpu_model(model);
     prop.ibc = s390_ibc_from_cpu_model(model);
     /* configure cpu features indicated via STFL(e) */
-- 
2.27.0