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qemu-cr16/hw
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Hector Cao 6529f31e0d target/i386: add compatibility property for pdcm feature 
The pdcm feature is supposed to be disabled when PMU is not
available. Up until v10.1, pdcm feature is enabled even when PMU
is off. This behavior has been fixed but this change breaks the
migration of VMs that are run with QEMU < 10.0 and expect the pdcm
feature to be enabled on the destination host.

This commit restores the legacy behavior for machines with version
prior to 10.1 to allow the migration from older QEMU to QEMU 10.1.

Signed-off-by: Hector Cao <hector.cao@canonical.com>
Link: https://lore.kernel.org/r/20250910115733.21149-3-hector.cao@canonical.com
Fixes: e68ec29809 ("i386/cpu: Move adjustment of CPUID_EXT_PDCM before feature_dependencies[] check", 2025-06-20)
[Move property from migration object to CPU. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-10-07 17:03:32 +02:00
..
9pfs 9pfs: Stop including gstrfuncs.h 2025-09-18 21:21:29 +02:00
acpi acpi: mark PMTIMER as unlocked 2025-08-29 12:48:14 +02:00
adc qom: Have class_init() take a const data argument 2025-04-25 17:00:41 +02:00
alpha qom: Have class_init() take a const data argument 2025-04-25 17:00:41 +02:00
arm hw/arm/aspeed_ast27x0-fc: Make sub-init functions return bool with errp 2025-09-29 18:00:20 +02:00
audio hw/audio/via-ac97: skip automatic zero-init of large array 2025-06-12 13:40:15 -04:00
avr qom: Have class_init() take a const data argument 2025-04-25 17:00:41 +02:00
block hw/virtio: Build various files once 2025-07-15 02:56:39 -04:00
char rust: pl011: add tracepoints 2025-10-01 11:22:07 -04:00
core * qom: Do not unparent in instance_finalize 2025-09-24 12:04:18 -07:00
cpu qom: Have class_init() take a const data argument 2025-04-25 17:00:41 +02:00
cxl hw/cxl: Convert cxl_fmws_link() to Error 2025-09-30 14:43:53 +02:00
display error: Kill @error_warn 2025-10-01 08:33:24 +02:00
dma hw/dma/xlnx_csu_dma: skip automatic zero-init of large array 2025-06-12 13:40:15 -04:00
fsi qom: Have class_init() take a const data argument 2025-04-25 17:00:41 +02:00
gpio hw/gpio/pca9554: Avoid leak in pca9554_set_pin() 2025-09-02 17:57:05 +02:00
hppa qom: Make InterfaceInfo[] uses const 2025-04-25 17:00:41 +02:00
hyperv hv-balloon: hw/core/register: Do not unparent in instance_finalize() 2025-09-24 09:23:20 +02:00
i2c hw/arm: Replace TABs for spaces in OMAP board and device code 2025-05-14 14:29:47 +01:00
i386 target/i386: add compatibility property for pdcm feature 2025-10-07 17:03:32 +02:00
ide hw/ide/ich.c: Use qemu_init_irq_child() to avoid memory leak 2025-09-02 17:57:05 +02:00
input treewide: use qemu_set_blocking instead of g_unix_set_fd_nonblocking 2025-09-19 12:46:07 +01:00
intc ppc queue for 20250928 2025-09-29 07:25:28 -07:00
ipack qom: Make InterfaceInfo[] uses const 2025-04-25 17:00:41 +02:00
ipmi qom: Make InterfaceInfo[] uses const 2025-04-25 17:00:41 +02:00
isa hw/isa/superio: Include 'system/system.h' 2025-09-02 17:58:05 +02:00
loongarch hw/loongarch: Implement DINTC plug/unplug interfaces 2025-09-28 17:31:04 +08:00
m68k hw: add compat machines for 10.2 2025-08-27 07:07:53 +02:00
mem hw/cxl: mailbox-utils: 0x5604 - FMAPI Initiate DC Add 2025-07-15 02:56:40 -04:00
microblaze hw/microblaze: Add missing FDT dependency 2025-07-15 00:24:26 +02:00
mips hw/mips/malta: Silence warning from ubsan 2025-09-09 09:34:45 +02:00
misc Error reporting patches for 2025-09-30 2025-10-01 15:02:18 -07:00
net error: Kill @error_warn 2025-10-01 08:33:24 +02:00
nubus qom: Have class_init() take a const data argument 2025-04-25 17:00:41 +02:00
nvme hw/nvme: cap MDTS value for internal limitation 2025-08-11 00:17:38 -07:00
nvram hw/nvram/aspeed_otp: Add OTP programming semantics and tracing 2025-09-29 18:00:20 +02:00
openrisc add cpu_test_interrupt()/cpu_set_interrupt() helpers and use them tree wide 2025-08-29 12:48:14 +02:00
pci hw/pci: Introduce pci_setup_iommu_per_bus() for per-bus IOMMU ops retrieval 2025-09-16 17:31:54 +01:00
pci-bridge hw/arm/smmu-common: Check SMMU has PCIe Root Complex association 2025-09-16 17:31:54 +01:00
pci-host hw/pci-host/aspeed: Disable Root Device and place Root Port at 00:00.0 to AST2700 2025-09-29 18:00:20 +02:00
ppc ppc/spapr: init lrdr-capapcity phys with ram size if maxmem not provided 2025-09-28 23:45:28 +05:30
remote hw/remote/vfio-user: Clean up error reporting 2025-09-30 14:43:53 +02:00
riscv hw/riscv/virt-acpi-build.c: Update FADT and MADT versions 2025-07-30 10:59:26 +10:00
rtc hw/rtc/mc146818rtc: Drop pre-v3 migration stream support 2025-04-30 20:44:20 +02:00
rx qom: Have class_init() take a const data argument 2025-04-25 17:00:41 +02:00
s390x hw/vfio/types.h: rename TYPE_VFIO_PCI_BASE to TYPE_VFIO_PCI_DEVICE 2025-09-25 17:55:20 +02:00
scsi hw/scsi/mptsas: Avoid silent integer truncation in MPI_FUNC_IOC_INIT 2025-09-02 17:57:05 +02:00
sd hw/sd/sdhci: Do not unparent in instance_finalize() 2025-09-24 09:23:20 +02:00
sensor qemu: Declare all load/store helper in 'qemu/bswap.h' 2025-07-15 02:56:39 -04:00
sh4 include: Remove 'exec/exec-all.h' 2025-04-30 12:45:05 -07:00
smbios qemu: Declare all load/store helper in 'qemu/bswap.h' 2025-07-15 02:56:39 -04:00
sparc qom: Have class_init() take a const data argument 2025-04-25 17:00:41 +02:00
sparc64 qom: Make InterfaceInfo[] uses const 2025-04-25 17:00:41 +02:00
ssi hw/ssi/aspeed_smc: Fix incorrect FMC_WDT2 register read on AST1030 2025-08-04 09:07:38 +02:00
timer hpet: guard IRQ handling with BQL 2025-09-17 19:00:58 +02:00
tpm qom: Make InterfaceInfo[] uses const 2025-04-25 17:00:41 +02:00
tricore qom: Have class_init() take a const data argument 2025-04-25 17:00:41 +02:00
uefi hw/uefi: open json file in binary mode 2025-08-12 08:03:16 +02:00
ufs hw/ufs/lu: skip automatic zero-init of large array 2025-06-12 13:40:16 -04:00
usb hw/usb/hcd-uhci: don't assert for SETUP to non-0 endpoint 2025-09-25 11:06:27 +01:00
vfio vfio/pci.c: rename vfio_pci_nohotplug_dev_info to vfio_pci_nohotplug_info 2025-09-25 17:55:20 +02:00
vfio-user vfio-user/pci.c: rename vfio_user_pci_dev_info to vfio_user_pci_info 2025-09-25 17:55:20 +02:00
virtio treewide: use qemu_set_blocking instead of g_unix_set_fd_nonblocking 2025-09-19 12:46:07 +01:00
vmapple qemu: Declare all load/store helper in 'qemu/bswap.h' 2025-07-15 02:56:39 -04:00
watchdog qom: Make InterfaceInfo[] uses const 2025-04-25 17:00:41 +02:00
xen hw/xen: Do not unparent in instance_finalize() 2025-09-24 09:23:20 +02:00
xenpv hw/boards: Do not create unusable default if=sd drives 2025-02-16 14:25:08 +01:00
xtensa qom: Have class_init() take a const data argument 2025-04-25 17:00:41 +02:00
Kconfig vfio-user: add vfio-user class and container 2025-06-26 08:55:38 +02:00
meson.build hw/meson: enter target hw first 2025-09-02 17:57:05 +02:00