The pc-i440fx-2.0 machine was deprecated for the 8.2 release (see commit c7437f0ddb "docs/about: Mark the old pc-i440fx-2.0 - 2.3 machine types as deprecated"), time to remove it. Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- docs/about/deprecated.rst | 2 +- docs/about/removed-features.rst | 2 +- include/hw/i386/pc.h | 3 --- hw/i386/pc.c | 15 ------------- hw/i386/pc_piix.c | 37 --------------------------------- 5 files changed, 2 insertions(+), 57 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 8565644da6..6d4738ca20 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -221,7 +221,7 @@ deprecated; use the new name ``dtb-randomness`` instead. The new name better reflects the way this property affects all random data within the device tree blob, not just the ``kaslr-seed`` node. -``pc-i440fx-2.0`` up to ``pc-i440fx-2.3`` (since 8.2) +``pc-i440fx-2.1`` up to ``pc-i440fx-2.3`` (since 8.2) ''''''''''''''''''''''''''''''''''''''''''''''''''''' These old machine types are quite neglected nowadays and thus might have diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst index 417a0e4fa1..156737989e 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -801,7 +801,7 @@ mips ``fulong2e`` machine alias (removed in 6.0) This machine has been renamed ``fuloong2e``. -``pc-0.10`` up to ``pc-i440fx-1.7`` (removed in 4.0 up to 8.2) +``pc-0.10`` up to ``pc-i440fx-2.0`` (removed in 4.0 up to 9.0) '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' These machine types were very old and likely could not be used for live diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index b958023187..3360ca2307 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -285,9 +285,6 @@ extern const size_t pc_compat_2_2_len; extern GlobalProperty pc_compat_2_1[]; extern const size_t pc_compat_2_1_len; -extern GlobalProperty pc_compat_2_0[]; -extern const size_t pc_compat_2_0_len; - #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \ static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \ { \ diff --git a/hw/i386/pc.c b/hw/i386/pc.c index f5ff970acf..bb7ef31af2 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -311,21 +311,6 @@ GlobalProperty pc_compat_2_1[] = { }; const size_t pc_compat_2_1_len = G_N_ELEMENTS(pc_compat_2_1); -GlobalProperty pc_compat_2_0[] = { - PC_CPU_MODEL_IDS("2.0.0") - { "virtio-scsi-pci", "any_layout", "off" }, - { "PIIX4_PM", "memory-hotplug-support", "off" }, - { "apic", "version", "0x11" }, - { "nec-usb-xhci", "superspeed-ports-first", "off" }, - { "nec-usb-xhci", "force-pcie-endcap", "on" }, - { "pci-serial", "prog_if", "0" }, - { "pci-serial-2x", "prog_if", "0" }, - { "pci-serial-4x", "prog_if", "0" }, - { "virtio-net-pci", "guest_announce", "off" }, - { "ICH9-LPC", "memory-hotplug-support", "off" }, -}; -const size_t pc_compat_2_0_len = G_N_ELEMENTS(pc_compat_2_0); - GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled) { GSIState *s; diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index fa5f93f99f..594b131625 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -441,11 +441,6 @@ static void pc_compat_2_1_fn(MachineState *machine) x86_cpu_change_kvm_default("svm", NULL); } -static void pc_compat_2_0_fn(MachineState *machine) -{ - pc_compat_2_1_fn(machine); -} - #ifdef CONFIG_ISAPC static void pc_init_isa(MachineState *machine) { @@ -868,38 +863,6 @@ static void pc_i440fx_2_1_machine_options(MachineClass *m) DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, pc_i440fx_2_1_machine_options); -static void pc_i440fx_2_0_machine_options(MachineClass *m) -{ - PCMachineClass *pcmc = PC_MACHINE_CLASS(m); - - pc_i440fx_2_1_machine_options(m); - m->hw_version = "2.0.0"; - compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); - pcmc->smbios_legacy_mode = true; - pcmc->has_reserved_memory = false; - /* This value depends on the actual DSDT and SSDT compiled into - * the source QEMU; unfortunately it depends on the binary and - * not on the machine type, so we cannot make pc-i440fx-1.7 work on - * both QEMU 1.7 and QEMU 2.0. - * - * Large variations cause migration to fail for more than one - * consecutive value of the "-smp" maxcpus option. - * - * For small variations of the kind caused by different iasl versions, - * the 4k rounding usually leaves slack. However, there could be still - * one or two values that break. For QEMU 1.7 and QEMU 2.0 the - * slack is only ~10 bytes before one "-smp maxcpus" value breaks! - * - * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on - * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. - */ - pcmc->legacy_acpi_table_size = 6652; - pcmc->acpi_data_size = 0x10000; -} - -DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, - pc_i440fx_2_0_machine_options); - #ifdef CONFIG_ISAPC static void isapc_machine_options(MachineClass *m) { -- 2.41.0

On 6/3/24 17:41, Thomas Huth wrote: Great suggestion, thanks!

Hi Philippe, On Tue, Mar 05, 2024 at 02:42:04PM +0100, Philippe Mathieu-Daudé wrote: From the commit 290fd20db6e0 ("usb xhci: change msi/msix property type"), the enum values were modified directly. So it seems not necessary to bind enum type with specific value, right? Thanks, Zhao

XHCI_FLAG_FORCE_PCIE_ENDCAP was only used by the pc-i440fx-2.0 machine, which got removed. Remove it and simplify usb_xhci_pci_realize(). Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- hw/usb/hcd-xhci.h | 1 - hw/usb/hcd-xhci-nec.c | 2 -- hw/usb/hcd-xhci-pci.c | 3 +-- 3 files changed, 1 insertion(+), 5 deletions(-) diff --git a/hw/usb/hcd-xhci.h b/hw/usb/hcd-xhci.h index 37f0d2e43b..7dcab8b8db 100644 --- a/hw/usb/hcd-xhci.h +++ b/hw/usb/hcd-xhci.h @@ -37,7 +37,6 @@ typedef struct XHCIEPContext XHCIEPContext; enum xhci_flags { XHCI_FLAG_SS_FIRST = 1, - XHCI_FLAG_FORCE_PCIE_ENDCAP = 2, XHCI_FLAG_ENABLE_STREAMS = 3, }; diff --git a/hw/usb/hcd-xhci-nec.c b/hw/usb/hcd-xhci-nec.c index 328e5bfe7c..5d5b069cf9 100644 --- a/hw/usb/hcd-xhci-nec.c +++ b/hw/usb/hcd-xhci-nec.c @@ -43,8 +43,6 @@ static Property nec_xhci_properties[] = { DEFINE_PROP_ON_OFF_AUTO("msix", XHCIPciState, msix, ON_OFF_AUTO_AUTO), DEFINE_PROP_BIT("superspeed-ports-first", XHCINecState, flags, XHCI_FLAG_SS_FIRST, true), - DEFINE_PROP_BIT("force-pcie-endcap", XHCINecState, flags, - XHCI_FLAG_FORCE_PCIE_ENDCAP, false), DEFINE_PROP_UINT32("intrs", XHCINecState, intrs, XHCI_MAXINTRS), DEFINE_PROP_UINT32("slots", XHCINecState, slots, XHCI_MAXSLOTS), DEFINE_PROP_END_OF_LIST(), diff --git a/hw/usb/hcd-xhci-pci.c b/hw/usb/hcd-xhci-pci.c index 4423983308..cbad96f393 100644 --- a/hw/usb/hcd-xhci-pci.c +++ b/hw/usb/hcd-xhci-pci.c @@ -148,8 +148,7 @@ static void usb_xhci_pci_realize(struct PCIDevice *dev, Error **errp) PCI_BASE_ADDRESS_MEM_TYPE_64, &s->xhci.mem); - if (pci_bus_is_express(pci_get_bus(dev)) || - xhci_get_flag(&s->xhci, XHCI_FLAG_FORCE_PCIE_ENDCAP)) { + if (pci_bus_is_express(pci_get_bus(dev))) { ret = pcie_endpoint_cap_init(dev, 0xa0); assert(ret > 0); } -- 2.41.0

XHCI_FLAG_SS_FIRST was only used by the pc-i440fx-2.0 machine, which got removed. Remove it and simplify various functions in hcd-xhci.c. Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- hw/usb/hcd-xhci.h | 1 - hw/usb/hcd-xhci-nec.c | 2 -- hw/usb/hcd-xhci-pci.c | 1 - hw/usb/hcd-xhci.c | 42 ++++++++---------------------------------- 4 files changed, 8 insertions(+), 38 deletions(-) diff --git a/hw/usb/hcd-xhci.h b/hw/usb/hcd-xhci.h index 7dcab8b8db..051ea43261 100644 --- a/hw/usb/hcd-xhci.h +++ b/hw/usb/hcd-xhci.h @@ -36,7 +36,6 @@ typedef struct XHCIStreamContext XHCIStreamContext; typedef struct XHCIEPContext XHCIEPContext; enum xhci_flags { - XHCI_FLAG_SS_FIRST = 1, XHCI_FLAG_ENABLE_STREAMS = 3, }; diff --git a/hw/usb/hcd-xhci-nec.c b/hw/usb/hcd-xhci-nec.c index 5d5b069cf9..0c063b3697 100644 --- a/hw/usb/hcd-xhci-nec.c +++ b/hw/usb/hcd-xhci-nec.c @@ -41,8 +41,6 @@ struct XHCINecState { static Property nec_xhci_properties[] = { DEFINE_PROP_ON_OFF_AUTO("msi", XHCIPciState, msi, ON_OFF_AUTO_AUTO), DEFINE_PROP_ON_OFF_AUTO("msix", XHCIPciState, msix, ON_OFF_AUTO_AUTO), - DEFINE_PROP_BIT("superspeed-ports-first", XHCINecState, flags, - XHCI_FLAG_SS_FIRST, true), DEFINE_PROP_UINT32("intrs", XHCINecState, intrs, XHCI_MAXINTRS), DEFINE_PROP_UINT32("slots", XHCINecState, slots, XHCI_MAXSLOTS), DEFINE_PROP_END_OF_LIST(), diff --git a/hw/usb/hcd-xhci-pci.c b/hw/usb/hcd-xhci-pci.c index cbad96f393..264d7ebb77 100644 --- a/hw/usb/hcd-xhci-pci.c +++ b/hw/usb/hcd-xhci-pci.c @@ -242,7 +242,6 @@ static void qemu_xhci_instance_init(Object *obj) s->msix = ON_OFF_AUTO_AUTO; xhci->numintrs = XHCI_MAXINTRS; xhci->numslots = XHCI_MAXSLOTS; - xhci_set_flag(xhci, XHCI_FLAG_SS_FIRST); } static const TypeInfo qemu_xhci_info = { diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c index ad40232eb6..b6411f0bda 100644 --- a/hw/usb/hcd-xhci.c +++ b/hw/usb/hcd-xhci.c @@ -541,18 +541,10 @@ static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport) case USB_SPEED_LOW: case USB_SPEED_FULL: case USB_SPEED_HIGH: - if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { - index = uport->index + xhci->numports_3; - } else { - index = uport->index; - } + index = uport->index + xhci->numports_3; break; case USB_SPEED_SUPER: - if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { - index = uport->index; - } else { - index = uport->index + xhci->numports_2; - } + index = uport->index; break; default: return NULL; @@ -2779,11 +2771,7 @@ static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size) ret = 0x20425355; /* "USB " */ break; case 0x28: /* Supported Protocol:08 */ - if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { - ret = (xhci->numports_2<<8) | (xhci->numports_3+1); - } else { - ret = (xhci->numports_2<<8) | 1; - } + ret = (xhci->numports_2 << 8) | (xhci->numports_3 + 1); break; case 0x2c: /* Supported Protocol:0c */ ret = 0x00000000; /* reserved */ @@ -2795,11 +2783,7 @@ static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size) ret = 0x20425355; /* "USB " */ break; case 0x38: /* Supported Protocol:08 */ - if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { - ret = (xhci->numports_3<<8) | 1; - } else { - ret = (xhci->numports_3<<8) | (xhci->numports_2+1); - } + ret = (xhci->numports_3 << 8) | 1; break; case 0x3c: /* Supported Protocol:0c */ ret = 0x00000000; /* reserved */ @@ -3349,13 +3333,8 @@ static void usb_xhci_init(XHCIState *xhci) for (i = 0; i < usbports; i++) { speedmask = 0; if (i < xhci->numports_2) { - if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { - port = &xhci->ports[i + xhci->numports_3]; - port->portnr = i + 1 + xhci->numports_3; - } else { - port = &xhci->ports[i]; - port->portnr = i + 1; - } + port = &xhci->ports[i + xhci->numports_3]; + port->portnr = i + 1 + xhci->numports_3; port->uport = &xhci->uports[i]; port->speedmask = USB_SPEED_MASK_LOW | @@ -3366,13 +3345,8 @@ static void usb_xhci_init(XHCIState *xhci) speedmask |= port->speedmask; } if (i < xhci->numports_3) { - if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { - port = &xhci->ports[i]; - port->portnr = i + 1; - } else { - port = &xhci->ports[i + xhci->numports_2]; - port->portnr = i + 1 + xhci->numports_2; - } + port = &xhci->ports[i]; + port->portnr = i + 1; port->uport = &xhci->uports[i]; port->speedmask = USB_SPEED_MASK_SUPER; assert(i < XHCI_MAXPORTS); -- 2.41.0

PCMachineClass::legacy_acpi_table_size was only used by the pc-i440fx-2.0 machine, which got removed. Remove it and simplify acpi_build(). Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- include/hw/i386/pc.h | 1 - hw/i386/acpi-build.c | 60 +++++++++----------------------------------- 2 files changed, 12 insertions(+), 49 deletions(-) diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 3360ca2307..758d670a36 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -103,7 +103,6 @@ struct PCMachineClass { /* ACPI compat: */ bool has_acpi_build; bool rsdp_in_ram; - int legacy_acpi_table_size; unsigned acpi_data_size; int pci_root_uid; diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 15242b9096..8c7fad92e9 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -2496,13 +2496,12 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) X86MachineState *x86ms = X86_MACHINE(machine); DeviceState *iommu = pcms->iommu; GArray *table_offsets; - unsigned facs, dsdt, rsdt, fadt; + unsigned facs, dsdt, rsdt; AcpiPmInfo pm; AcpiMiscInfo misc; AcpiMcfgInfo mcfg; Range pci_hole = {}, pci_hole64 = {}; uint8_t *u; - size_t aml_len = 0; GArray *tables_blob = tables->table_data; AcpiSlicOem slic_oem = { .id = NULL, .table_id = NULL }; Object *vmgenid_dev; @@ -2548,19 +2547,12 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) build_dsdt(tables_blob, tables->linker, &pm, &misc, &pci_hole, &pci_hole64, machine); - /* Count the size of the DSDT and SSDT, we will need it for legacy - * sizing of ACPI tables. - */ - aml_len += tables_blob->len - dsdt; - /* ACPI tables pointed to by RSDT */ - fadt = tables_blob->len; acpi_add_table(table_offsets, tables_blob); pm.fadt.facs_tbl_offset = &facs; pm.fadt.dsdt_tbl_offset = &dsdt; pm.fadt.xdsdt_tbl_offset = &dsdt; build_fadt(tables_blob, tables->linker, &pm.fadt, oem_id, oem_table_id); - aml_len += tables_blob->len - fadt; acpi_add_table(table_offsets, tables_blob); acpi_build_madt(tables_blob, tables->linker, x86ms, @@ -2691,49 +2683,21 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) * too simple to be enough. 4k turned out to be too small an * alignment very soon, and in fact it is almost impossible to * keep the table size stable for all (max_cpus, max_memory_slots) - * combinations. So the table size is always 64k for pc-i440fx-2.1 - * and we give an error if the table grows beyond that limit. - * - * We still have the problem of migrating from "-M pc-i440fx-2.0". For - * that, we exploit the fact that QEMU 2.1 generates _smaller_ tables - * than 2.0 and we can always pad the smaller tables with zeros. We can - * then use the exact size of the 2.0 tables. + * combinations. * * All this is for PIIX4, since QEMU 2.0 didn't support Q35 migration. */ - if (pcmc->legacy_acpi_table_size) { - /* Subtracting aml_len gives the size of fixed tables. Then add the - * size of the PIIX4 DSDT/SSDT in QEMU 2.0. - */ - int legacy_aml_len = - pcmc->legacy_acpi_table_size + - ACPI_BUILD_LEGACY_CPU_AML_SIZE * x86ms->apic_id_limit; - int legacy_table_size = - ROUND_UP(tables_blob->len - aml_len + legacy_aml_len, - ACPI_BUILD_ALIGN_SIZE); - if ((tables_blob->len > legacy_table_size) && - !pcmc->resizable_acpi_blob) { - /* Should happen only with PCI bridges and -M pc-i440fx-2.0. */ - warn_report("ACPI table size %u exceeds %d bytes," - " migration may not work", - tables_blob->len, legacy_table_size); - error_printf("Try removing CPUs, NUMA nodes, memory slots" - " or PCI bridges.\n"); - } - g_array_set_size(tables_blob, legacy_table_size); - } else { - /* Make sure we have a buffer in case we need to resize the tables. */ - if ((tables_blob->len > ACPI_BUILD_TABLE_SIZE / 2) && - !pcmc->resizable_acpi_blob) { - /* As of QEMU 2.1, this fires with 160 VCPUs and 255 memory slots. */ - warn_report("ACPI table size %u exceeds %d bytes," - " migration may not work", - tables_blob->len, ACPI_BUILD_TABLE_SIZE / 2); - error_printf("Try removing CPUs, NUMA nodes, memory slots" - " or PCI bridges.\n"); - } - acpi_align_size(tables_blob, ACPI_BUILD_TABLE_SIZE); + /* Make sure we have a buffer in case we need to resize the tables. */ + if ((tables_blob->len > ACPI_BUILD_TABLE_SIZE / 2) && + !pcmc->resizable_acpi_blob) { + /* As of QEMU 2.1, this fires with 160 VCPUs and 255 memory slots. */ + warn_report("ACPI table size %u exceeds %d bytes," + " migration may not work", + tables_blob->len, ACPI_BUILD_TABLE_SIZE / 2); + error_printf("Try removing CPUs, NUMA nodes, memory slots" + " or PCI bridges.\n"); } + acpi_align_size(tables_blob, ACPI_BUILD_TABLE_SIZE); acpi_align_size(tables->linker->cmd_blob, ACPI_BUILD_ALIGN_SIZE); -- 2.41.0

The pc-i440fx-2.1 machine was deprecated for the 8.2 release (see commit c7437f0ddb "docs/about: Mark the old pc-i440fx-2.0 - 2.3 machine types as deprecated"), time to remove it. Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- docs/about/deprecated.rst | 2 +- docs/about/removed-features.rst | 2 +- include/hw/i386/pc.h | 3 --- hw/i386/pc.c | 7 ------- hw/i386/pc_piix.c | 23 ----------------------- 5 files changed, 2 insertions(+), 35 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 6d4738ca20..c68b17df23 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -221,7 +221,7 @@ deprecated; use the new name ``dtb-randomness`` instead. The new name better reflects the way this property affects all random data within the device tree blob, not just the ``kaslr-seed`` node. -``pc-i440fx-2.1`` up to ``pc-i440fx-2.3`` (since 8.2) +``pc-i440fx-2.2`` up to ``pc-i440fx-2.3`` (since 8.2) ''''''''''''''''''''''''''''''''''''''''''''''''''''' These old machine types are quite neglected nowadays and thus might have diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst index 156737989e..d01b0afbef 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -801,7 +801,7 @@ mips ``fulong2e`` machine alias (removed in 6.0) This machine has been renamed ``fuloong2e``. -``pc-0.10`` up to ``pc-i440fx-2.0`` (removed in 4.0 up to 9.0) +``pc-0.10`` up to ``pc-i440fx-2.1`` (removed in 4.0 up to 9.0) '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' These machine types were very old and likely could not be used for live diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 758d670a36..f77639d94f 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -281,9 +281,6 @@ extern const size_t pc_compat_2_3_len; extern GlobalProperty pc_compat_2_2[]; extern const size_t pc_compat_2_2_len; -extern GlobalProperty pc_compat_2_1[]; -extern const size_t pc_compat_2_1_len; - #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \ static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \ { \ diff --git a/hw/i386/pc.c b/hw/i386/pc.c index bb7ef31af2..d417cf106c 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -304,13 +304,6 @@ GlobalProperty pc_compat_2_2[] = { }; const size_t pc_compat_2_2_len = G_N_ELEMENTS(pc_compat_2_2); -GlobalProperty pc_compat_2_1[] = { - PC_CPU_MODEL_IDS("2.1.0") - { "coreduo" "-" TYPE_X86_CPU, "vmx", "on" }, - { "core2duo" "-" TYPE_X86_CPU, "vmx", "on" }, -}; -const size_t pc_compat_2_1_len = G_N_ELEMENTS(pc_compat_2_1); - GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled) { GSIState *s; diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 594b131625..88457de0f8 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -65,7 +65,6 @@ #include "hw/hyperv/vmbus-bridge.h" #include "hw/mem/nvdimm.h" #include "hw/i386/acpi-build.h" -#include "kvm/kvm-cpu.h" #include "target/i386/cpu.h" #define XEN_IOAPIC_NUM_PIRQS 128ULL @@ -435,12 +434,6 @@ static void pc_compat_2_2_fn(MachineState *machine) pc_compat_2_3_fn(machine); } -static void pc_compat_2_1_fn(MachineState *machine) -{ - pc_compat_2_2_fn(machine); - x86_cpu_change_kvm_default("svm", NULL); -} - #ifdef CONFIG_ISAPC static void pc_init_isa(MachineState *machine) { @@ -847,22 +840,6 @@ static void pc_i440fx_2_2_machine_options(MachineClass *m) DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, pc_i440fx_2_2_machine_options); -static void pc_i440fx_2_1_machine_options(MachineClass *m) -{ - PCMachineClass *pcmc = PC_MACHINE_CLASS(m); - - pc_i440fx_2_2_machine_options(m); - m->hw_version = "2.1.0"; - m->default_display = NULL; - compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); - compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); - pcmc->smbios_uuid_encoded = false; - pcmc->enforce_aligned_dimm = false; -} - -DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, - pc_i440fx_2_1_machine_options); - #ifdef CONFIG_ISAPC static void isapc_machine_options(MachineClass *m) { -- 2.41.0

x86_cpu_change_kvm_default() was only used out of kvm-cpu.c by the pc-i440fx-2.1 machine, which got removed. Inline it, and remove its declaration. "kvm-cpu.h" is now empty, remove it too. Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- target/i386/kvm/kvm-cpu.h | 41 --------------------------------------- target/i386/kvm/kvm-cpu.c | 3 +-- 2 files changed, 1 insertion(+), 43 deletions(-) delete mode 100644 target/i386/kvm/kvm-cpu.h diff --git a/target/i386/kvm/kvm-cpu.h b/target/i386/kvm/kvm-cpu.h deleted file mode 100644 index e858ca21e5..0000000000 --- a/target/i386/kvm/kvm-cpu.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * i386 KVM CPU type and functions - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, see <http://www.gnu.org/licenses/>;. - */ - -#ifndef KVM_CPU_H -#define KVM_CPU_H - -#ifdef CONFIG_KVM -/* - * Change the value of a KVM-specific default - * - * If value is NULL, no default will be set and the original - * value from the CPU model table will be kept. - * - * It is valid to call this function only for properties that - * are already present in the kvm_default_props table. - */ -void x86_cpu_change_kvm_default(const char *prop, const char *value); - -#else /* !CONFIG_KVM */ - -#define x86_cpu_change_kvm_default(a, b) - -#endif /* CONFIG_KVM */ - -#endif /* KVM_CPU_H */ diff --git a/target/i386/kvm/kvm-cpu.c b/target/i386/kvm/kvm-cpu.c index 9c791b7b05..cb8c73d20c 100644 --- a/target/i386/kvm/kvm-cpu.c +++ b/target/i386/kvm/kvm-cpu.c @@ -10,7 +10,6 @@ #include "qemu/osdep.h" #include "cpu.h" #include "host-cpu.h" -#include "kvm-cpu.h" #include "qapi/error.h" #include "sysemu/sysemu.h" #include "hw/boards.h" @@ -144,7 +143,7 @@ static PropValue kvm_default_props[] = { /* * Only for builtin_x86_defs models initialized with x86_register_cpudef_types. */ -void x86_cpu_change_kvm_default(const char *prop, const char *value) +static void x86_cpu_change_kvm_default(const char *prop, const char *value) { PropValue *pv; for (pv = kvm_default_props; pv->prop; pv++) { -- 2.41.0

PCMachineClass::smbios_uuid_encoded was only used by the pc-i440fx-2.1 machine, which got removed. It is now always true, remove it. Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- include/hw/i386/pc.h | 1 - hw/i386/fw_cfg.c | 2 +- hw/i386/pc.c | 1 - 3 files changed, 1 insertion(+), 3 deletions(-) diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index f77639d94f..f051ddafca 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -109,7 +109,6 @@ struct PCMachineClass { /* SMBIOS compat: */ bool smbios_defaults; bool smbios_legacy_mode; - bool smbios_uuid_encoded; SmbiosEntryPointType default_smbios_ep_type; /* RAM / address space compat: */ diff --git a/hw/i386/fw_cfg.c b/hw/i386/fw_cfg.c index 98a478c276..176c086673 100644 --- a/hw/i386/fw_cfg.c +++ b/hw/i386/fw_cfg.c @@ -63,7 +63,7 @@ void fw_cfg_build_smbios(PCMachineState *pcms, FWCfgState *fw_cfg) if (pcmc->smbios_defaults) { /* These values are guest ABI, do not change */ smbios_set_defaults("QEMU", mc->desc, mc->name, - pcmc->smbios_legacy_mode, pcmc->smbios_uuid_encoded, + pcmc->smbios_legacy_mode, true, pcms->smbios_entry_point_type); } diff --git a/hw/i386/pc.c b/hw/i386/pc.c index d417cf106c..409114bba5 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1791,7 +1791,6 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) pcmc->has_acpi_build = true; pcmc->rsdp_in_ram = true; pcmc->smbios_defaults = true; - pcmc->smbios_uuid_encoded = true; pcmc->gigabyte_align = true; pcmc->has_reserved_memory = true; pcmc->enforce_aligned_dimm = true; -- 2.41.0

PCMachineClass::enforce_aligned_dimm was only used by the pc-i440fx-2.1 machine, which got removed. It is now always true. Remove it, simplifying pc_get_device_memory_range(). Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- include/hw/i386/pc.h | 3 --- hw/i386/pc.c | 14 +++----------- 2 files changed, 3 insertions(+), 14 deletions(-) diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index f051ddafca..bf1d6e99b4 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -74,8 +74,6 @@ typedef struct PCMachineState { * * Compat fields: * - * @enforce_aligned_dimm: check that DIMM's address/size is aligned by - * backend's alignment value if provided * @acpi_data_size: Size of the chunk of memory at the top of RAM * for the BIOS ACPI tables and other BIOS * datastructures. @@ -114,7 +112,6 @@ struct PCMachineClass { /* RAM / address space compat: */ bool gigabyte_align; bool has_reserved_memory; - bool enforce_aligned_dimm; bool broken_reserved_end; bool enforce_amd_1tb_hole; diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 409114bba5..0950abcc2a 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -734,7 +734,6 @@ static void pc_get_device_memory_range(PCMachineState *pcms, hwaddr *base, ram_addr_t *device_mem_size) { - PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); MachineState *machine = MACHINE(pcms); ram_addr_t size; hwaddr addr; @@ -742,10 +741,8 @@ static void pc_get_device_memory_range(PCMachineState *pcms, size = machine->maxram_size - machine->ram_size; addr = ROUND_UP(pc_above_4g_end(pcms), 1 * GiB); - if (pcmc->enforce_aligned_dimm) { - /* size device region assuming 1G page max alignment per slot */ - size += (1 * GiB) * machine->ram_slots; - } + /* size device region assuming 1G page max alignment per slot */ + size += (1 * GiB) * machine->ram_slots; *base = addr; *device_mem_size = size; @@ -1301,12 +1298,9 @@ void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs) static void pc_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { - const PCMachineState *pcms = PC_MACHINE(hotplug_dev); const X86MachineState *x86ms = X86_MACHINE(hotplug_dev); - const PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); const MachineState *ms = MACHINE(hotplug_dev); const bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); - const uint64_t legacy_align = TARGET_PAGE_SIZE; Error *local_err = NULL; /* @@ -1331,8 +1325,7 @@ static void pc_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, return; } - pc_dimm_pre_plug(PC_DIMM(dev), MACHINE(hotplug_dev), - pcmc->enforce_aligned_dimm ? NULL : &legacy_align, errp); + pc_dimm_pre_plug(PC_DIMM(dev), MACHINE(hotplug_dev), NULL, errp); } static void pc_memory_plug(HotplugHandler *hotplug_dev, @@ -1793,7 +1786,6 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) pcmc->smbios_defaults = true; pcmc->gigabyte_align = true; pcmc->has_reserved_memory = true; - pcmc->enforce_aligned_dimm = true; pcmc->enforce_amd_1tb_hole = true; /* BIOS ACPI tables: 128K. Other BIOS datastructures: less than 4K reported * to be used at the moment, 32K should be enough for a while. */ -- 2.41.0

'legacy_align' is always NULL, remove it. Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- include/hw/mem/pc-dimm.h | 3 +-- hw/arm/virt.c | 2 +- hw/i386/pc.c | 2 +- hw/loongarch/virt.c | 2 +- hw/mem/pc-dimm.c | 6 ++---- hw/ppc/spapr.c | 2 +- 6 files changed, 7 insertions(+), 10 deletions(-) diff --git a/include/hw/mem/pc-dimm.h b/include/hw/mem/pc-dimm.h index 322bebe555..fe0f3ea963 100644 --- a/include/hw/mem/pc-dimm.h +++ b/include/hw/mem/pc-dimm.h @@ -66,8 +66,7 @@ struct PCDIMMDeviceClass { void (*unrealize)(PCDIMMDevice *dimm); }; -void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine, - const uint64_t *legacy_align, Error **errp); +void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine, Error **errp); void pc_dimm_plug(PCDIMMDevice *dimm, MachineState *machine); void pc_dimm_unplug(PCDIMMDevice *dimm, MachineState *machine); #endif diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 0af1943697..9a6df69642 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -2720,7 +2720,7 @@ static void virt_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, return; } - pc_dimm_pre_plug(PC_DIMM(dev), MACHINE(hotplug_dev), NULL, errp); + pc_dimm_pre_plug(PC_DIMM(dev), MACHINE(hotplug_dev), errp); } static void virt_memory_plug(HotplugHandler *hotplug_dev, diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 0950abcc2a..b4736822e4 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1325,7 +1325,7 @@ static void pc_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, return; } - pc_dimm_pre_plug(PC_DIMM(dev), MACHINE(hotplug_dev), NULL, errp); + pc_dimm_pre_plug(PC_DIMM(dev), MACHINE(hotplug_dev), errp); } static void pc_memory_plug(HotplugHandler *hotplug_dev, diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index 1e98d8bda5..2e8234affd 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -1024,7 +1024,7 @@ static bool memhp_type_supported(DeviceState *dev) static void virt_mem_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { - pc_dimm_pre_plug(PC_DIMM(dev), MACHINE(hotplug_dev), NULL, errp); + pc_dimm_pre_plug(PC_DIMM(dev), MACHINE(hotplug_dev), errp); } static void virt_machine_device_pre_plug(HotplugHandler *hotplug_dev, diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c index 37f1f4ccfd..836384a90f 100644 --- a/hw/mem/pc-dimm.c +++ b/hw/mem/pc-dimm.c @@ -44,8 +44,7 @@ static MemoryRegion *pc_dimm_get_memory_region(PCDIMMDevice *dimm, Error **errp) return host_memory_backend_get_memory(dimm->hostmem); } -void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine, - const uint64_t *legacy_align, Error **errp) +void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine, Error **errp) { Error *local_err = NULL; int slot; @@ -70,8 +69,7 @@ void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine, &error_abort); trace_mhp_pc_dimm_assigned_slot(slot); - memory_device_pre_plug(MEMORY_DEVICE(dimm), machine, legacy_align, - errp); + memory_device_pre_plug(MEMORY_DEVICE(dimm), machine, NULL, errp); } void pc_dimm_plug(PCDIMMDevice *dimm, MachineState *machine) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 55263f0815..32fdca2bd4 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -3639,7 +3639,7 @@ static void spapr_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, return; } - pc_dimm_pre_plug(dimm, MACHINE(hotplug_dev), NULL, errp); + pc_dimm_pre_plug(dimm, MACHINE(hotplug_dev), errp); } struct SpaprDimmState { -- 2.41.0

'legacy_align' is always NULL, remove it, simplifying memory_device_pre_plug(). Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- include/hw/mem/memory-device.h | 2 +- hw/i386/pc.c | 3 +-- hw/mem/memory-device.c | 12 ++++-------- hw/mem/pc-dimm.c | 2 +- hw/virtio/virtio-md-pci.c | 2 +- 5 files changed, 8 insertions(+), 13 deletions(-) diff --git a/include/hw/mem/memory-device.h b/include/hw/mem/memory-device.h index e0571c8a31..c0a58087cc 100644 --- a/include/hw/mem/memory-device.h +++ b/include/hw/mem/memory-device.h @@ -169,7 +169,7 @@ uint64_t get_plugged_memory_size(void); unsigned int memory_devices_get_reserved_memslots(void); bool memory_devices_memslot_auto_decision_active(void); void memory_device_pre_plug(MemoryDeviceState *md, MachineState *ms, - const uint64_t *legacy_align, Error **errp); + Error **errp); void memory_device_plug(MemoryDeviceState *md, MachineState *ms); void memory_device_unplug(MemoryDeviceState *md, MachineState *ms); uint64_t memory_device_get_region_size(const MemoryDeviceState *md, diff --git a/hw/i386/pc.c b/hw/i386/pc.c index b4736822e4..ea7b05797b 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1393,8 +1393,7 @@ static void pc_hv_balloon_pre_plug(HotplugHandler *hotplug_dev, { /* The vmbus handler has no hotplug handler; we should never end up here. */ g_assert(!dev->hotplugged); - memory_device_pre_plug(MEMORY_DEVICE(dev), MACHINE(hotplug_dev), NULL, - errp); + memory_device_pre_plug(MEMORY_DEVICE(dev), MACHINE(hotplug_dev), errp); } static void pc_hv_balloon_plug(HotplugHandler *hotplug_dev, diff --git a/hw/mem/memory-device.c b/hw/mem/memory-device.c index e098585cda..a5f279adcc 100644 --- a/hw/mem/memory-device.c +++ b/hw/mem/memory-device.c @@ -345,7 +345,7 @@ uint64_t get_plugged_memory_size(void) } void memory_device_pre_plug(MemoryDeviceState *md, MachineState *ms, - const uint64_t *legacy_align, Error **errp) + Error **errp) { const MemoryDeviceClass *mdc = MEMORY_DEVICE_GET_CLASS(md); Error *local_err = NULL; @@ -388,14 +388,10 @@ void memory_device_pre_plug(MemoryDeviceState *md, MachineState *ms, return; } - if (legacy_align) { - align = *legacy_align; - } else { - if (mdc->get_min_alignment) { - align = mdc->get_min_alignment(md); - } - align = MAX(align, memory_region_get_alignment(mr)); + if (mdc->get_min_alignment) { + align = mdc->get_min_alignment(md); } + align = MAX(align, memory_region_get_alignment(mr)); addr = mdc->get_addr(md); addr = memory_device_get_free_addr(ms, !addr ? NULL : &addr, align, memory_region_size(mr), &local_err); diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c index 836384a90f..27919ca45d 100644 --- a/hw/mem/pc-dimm.c +++ b/hw/mem/pc-dimm.c @@ -69,7 +69,7 @@ void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine, Error **errp) &error_abort); trace_mhp_pc_dimm_assigned_slot(slot); - memory_device_pre_plug(MEMORY_DEVICE(dimm), machine, NULL, errp); + memory_device_pre_plug(MEMORY_DEVICE(dimm), machine, errp); } void pc_dimm_plug(PCDIMMDevice *dimm, MachineState *machine) diff --git a/hw/virtio/virtio-md-pci.c b/hw/virtio/virtio-md-pci.c index 62bfb7920b..9ec5067662 100644 --- a/hw/virtio/virtio-md-pci.c +++ b/hw/virtio/virtio-md-pci.c @@ -37,7 +37,7 @@ void virtio_md_pci_pre_plug(VirtIOMDPCI *vmd, MachineState *ms, Error **errp) * First, see if we can plug this memory device at all. If that * succeeds, branch of to the actual hotplug handler. */ - memory_device_pre_plug(md, ms, NULL, &local_err); + memory_device_pre_plug(md, ms, &local_err); if (!local_err && bus_handler) { hotplug_handler_pre_plug(bus_handler, dev, &local_err); } -- 2.41.0

The pc-i440fx-2.2 machine was deprecated for the 8.2 release (see commit c7437f0ddb "docs/about: Mark the old pc-i440fx-2.0 - 2.3 machine types as deprecated"), time to remove it. Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- docs/about/deprecated.rst | 6 +++--- docs/about/removed-features.rst | 2 +- include/hw/i386/pc.h | 3 --- hw/i386/pc.c | 23 ----------------------- hw/i386/pc_piix.c | 21 --------------------- 5 files changed, 4 insertions(+), 51 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index c68b17df23..84c82d85e1 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -221,10 +221,10 @@ deprecated; use the new name ``dtb-randomness`` instead. The new name better reflects the way this property affects all random data within the device tree blob, not just the ``kaslr-seed`` node. -``pc-i440fx-2.2`` up to ``pc-i440fx-2.3`` (since 8.2) -''''''''''''''''''''''''''''''''''''''''''''''''''''' +``pc-i440fx-2.3`` (since 8.2) +''''''''''''''''''''''''''''' -These old machine types are quite neglected nowadays and thus might have +This old machine type is quite neglected nowadays and thus might have various pitfalls with regards to live migration. Use a newer machine type instead. diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst index d01b0afbef..c2ec08f56c 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -801,7 +801,7 @@ mips ``fulong2e`` machine alias (removed in 6.0) This machine has been renamed ``fuloong2e``. -``pc-0.10`` up to ``pc-i440fx-2.1`` (removed in 4.0 up to 9.0) +``pc-0.10`` up to ``pc-i440fx-2.2`` (removed in 4.0 up to 9.0) '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' These machine types were very old and likely could not be used for live diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index bf1d6e99b4..f7a5f4f283 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -274,9 +274,6 @@ extern const size_t pc_compat_2_4_len; extern GlobalProperty pc_compat_2_3[]; extern const size_t pc_compat_2_3_len; -extern GlobalProperty pc_compat_2_2[]; -extern const size_t pc_compat_2_2_len; - #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \ static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \ { \ diff --git a/hw/i386/pc.c b/hw/i386/pc.c index ea7b05797b..a762df7686 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -281,29 +281,6 @@ GlobalProperty pc_compat_2_3[] = { }; const size_t pc_compat_2_3_len = G_N_ELEMENTS(pc_compat_2_3); -GlobalProperty pc_compat_2_2[] = { - PC_CPU_MODEL_IDS("2.2.0") - { "kvm64" "-" TYPE_X86_CPU, "vme", "off" }, - { "kvm32" "-" TYPE_X86_CPU, "vme", "off" }, - { "Conroe" "-" TYPE_X86_CPU, "vme", "off" }, - { "Penryn" "-" TYPE_X86_CPU, "vme", "off" }, - { "Nehalem" "-" TYPE_X86_CPU, "vme", "off" }, - { "Westmere" "-" TYPE_X86_CPU, "vme", "off" }, - { "SandyBridge" "-" TYPE_X86_CPU, "vme", "off" }, - { "Haswell" "-" TYPE_X86_CPU, "vme", "off" }, - { "Broadwell" "-" TYPE_X86_CPU, "vme", "off" }, - { "Opteron_G1" "-" TYPE_X86_CPU, "vme", "off" }, - { "Opteron_G2" "-" TYPE_X86_CPU, "vme", "off" }, - { "Opteron_G3" "-" TYPE_X86_CPU, "vme", "off" }, - { "Opteron_G4" "-" TYPE_X86_CPU, "vme", "off" }, - { "Opteron_G5" "-" TYPE_X86_CPU, "vme", "off" }, - { "Haswell" "-" TYPE_X86_CPU, "f16c", "off" }, - { "Haswell" "-" TYPE_X86_CPU, "rdrand", "off" }, - { "Broadwell" "-" TYPE_X86_CPU, "f16c", "off" }, - { "Broadwell" "-" TYPE_X86_CPU, "rdrand", "off" }, -}; -const size_t pc_compat_2_2_len = G_N_ELEMENTS(pc_compat_2_2); - GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled) { GSIState *s; diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 88457de0f8..e5a2182211 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -429,11 +429,6 @@ static void pc_compat_2_3_fn(MachineState *machine) } } -static void pc_compat_2_2_fn(MachineState *machine) -{ - pc_compat_2_3_fn(machine); -} - #ifdef CONFIG_ISAPC static void pc_init_isa(MachineState *machine) { @@ -824,22 +819,6 @@ static void pc_i440fx_2_3_machine_options(MachineClass *m) DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, pc_i440fx_2_3_machine_options); -static void pc_i440fx_2_2_machine_options(MachineClass *m) -{ - PCMachineClass *pcmc = PC_MACHINE_CLASS(m); - - pc_i440fx_2_3_machine_options(m); - m->hw_version = "2.2.0"; - m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; - compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); - compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); - pcmc->rsdp_in_ram = false; - pcmc->resizable_acpi_blob = false; -} - -DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, - pc_i440fx_2_2_machine_options); - #ifdef CONFIG_ISAPC static void isapc_machine_options(MachineClass *m) { -- 2.41.0

PCMachineClass::resizable_acpi_blob was only used by the pc-i440fx-2.2 machine, which got removed. It is now always true. Remove it, simplifying acpi_build(). Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- include/hw/i386/pc.h | 3 --- hw/i386/acpi-build.c | 9 --------- hw/i386/pc.c | 1 - 3 files changed, 13 deletions(-) diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index f7a5f4f283..be3a58c972 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -124,9 +124,6 @@ struct PCMachineClass { /* create kvmclock device even when KVM PV features are not exposed */ bool kvmclock_create_always; - /* resizable acpi blob compat */ - bool resizable_acpi_blob; - /* * whether the machine type implements broken 32-bit address space bound * check for memory. diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 8c7fad92e9..a56ac8dc90 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -2688,15 +2688,6 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) * All this is for PIIX4, since QEMU 2.0 didn't support Q35 migration. */ /* Make sure we have a buffer in case we need to resize the tables. */ - if ((tables_blob->len > ACPI_BUILD_TABLE_SIZE / 2) && - !pcmc->resizable_acpi_blob) { - /* As of QEMU 2.1, this fires with 160 VCPUs and 255 memory slots. */ - warn_report("ACPI table size %u exceeds %d bytes," - " migration may not work", - tables_blob->len, ACPI_BUILD_TABLE_SIZE / 2); - error_printf("Try removing CPUs, NUMA nodes, memory slots" - " or PCI bridges.\n"); - } acpi_align_size(tables_blob, ACPI_BUILD_TABLE_SIZE); acpi_align_size(tables->linker->cmd_blob, ACPI_BUILD_ALIGN_SIZE); diff --git a/hw/i386/pc.c b/hw/i386/pc.c index a762df7686..8139cd4a7d 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1768,7 +1768,6 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) pcmc->acpi_data_size = 0x20000 + 0x8000; pcmc->pvh_enabled = true; pcmc->kvmclock_create_always = true; - pcmc->resizable_acpi_blob = true; x86mc->apic_xrupt_override = true; assert(!mc->get_hotplug_handler); mc->get_hotplug_handler = pc_get_hotplug_handler; -- 2.41.0

PCMachineClass::rsdp_in_ram was only used by the pc-i440fx-2.2 machine, which got removed. It is now always true. Remove it, simplifying acpi_setup(). Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- include/hw/i386/pc.h | 1 - hw/i386/acpi-build.c | 35 ++++------------------------------- hw/i386/pc.c | 1 - 3 files changed, 4 insertions(+), 33 deletions(-) diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index be3a58c972..b4a9ea46a3 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -100,7 +100,6 @@ struct PCMachineClass { /* ACPI compat: */ bool has_acpi_build; - bool rsdp_in_ram; unsigned acpi_data_size; int pci_root_uid; diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index a56ac8dc90..12bc2b7d54 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -2492,7 +2492,6 @@ static void acpi_build(AcpiBuildTables *tables, MachineState *machine) { PCMachineState *pcms = PC_MACHINE(machine); - PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); X86MachineState *x86ms = X86_MACHINE(machine); DeviceState *iommu = pcms->iommu; GArray *table_offsets; @@ -2664,16 +2663,6 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) .rsdt_tbl_offset = &rsdt, }; build_rsdp(tables->rsdp, tables->linker, &rsdp_data); - if (!pcmc->rsdp_in_ram) { - /* We used to allocate some extra space for RSDP revision 2 but - * only used the RSDP revision 0 space. The extra bytes were - * zeroed out and not used. - * Here we continue wasting those extra 16 bytes to make sure we - * don't break migration for machine types 2.2 and older due to - * RSDP blob size mismatch. - */ - build_append_int_noprefix(tables->rsdp, 0, 16); - } } /* We'll expose it all to Guest so we want to reduce @@ -2755,7 +2744,6 @@ static const VMStateDescription vmstate_acpi_build = { void acpi_setup(void) { PCMachineState *pcms = PC_MACHINE(qdev_get_machine()); - PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); X86MachineState *x86ms = X86_MACHINE(pcms); AcpiBuildTables tables; AcpiBuildState *build_state; @@ -2817,25 +2805,10 @@ void acpi_setup(void) tables.vmgenid); } - if (!pcmc->rsdp_in_ram) { - /* - * Keep for compatibility with old machine types. - * Though RSDP is small, its contents isn't immutable, so - * we'll update it along with the rest of tables on guest access. - */ - uint32_t rsdp_size = acpi_data_len(tables.rsdp); - - build_state->rsdp = g_memdup(tables.rsdp->data, rsdp_size); - fw_cfg_add_file_callback(x86ms->fw_cfg, ACPI_BUILD_RSDP_FILE, - acpi_build_update, NULL, build_state, - build_state->rsdp, rsdp_size, true); - build_state->rsdp_mr = NULL; - } else { - build_state->rsdp = NULL; - build_state->rsdp_mr = acpi_add_rom_blob(acpi_build_update, - build_state, tables.rsdp, - ACPI_BUILD_RSDP_FILE); - } + build_state->rsdp = NULL; + build_state->rsdp_mr = acpi_add_rom_blob(acpi_build_update, + build_state, tables.rsdp, + ACPI_BUILD_RSDP_FILE); qemu_register_reset(acpi_build_reset, build_state); acpi_build_reset(build_state); diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 8139cd4a7d..7f41895d97 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1758,7 +1758,6 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) pcmc->pci_enabled = true; pcmc->has_acpi_build = true; - pcmc->rsdp_in_ram = true; pcmc->smbios_defaults = true; pcmc->gigabyte_align = true; pcmc->has_reserved_memory = true; -- 2.41.0

AcpiBuildState::rsdp is always NULL, remove it, simplifying acpi_build_update(). Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- hw/i386/acpi-build.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 12bc2b7d54..bf727eb148 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -2456,7 +2456,6 @@ struct AcpiBuildState { MemoryRegion *table_mr; /* Is table patched? */ uint8_t patched; - void *rsdp; MemoryRegion *rsdp_mr; MemoryRegion *linker_mr; } AcpiBuildState; @@ -2715,11 +2714,7 @@ static void acpi_build_update(void *build_opaque) acpi_ram_update(build_state->table_mr, tables.table_data); - if (build_state->rsdp) { - memcpy(build_state->rsdp, tables.rsdp->data, acpi_data_len(tables.rsdp)); - } else { - acpi_ram_update(build_state->rsdp_mr, tables.rsdp); - } + acpi_ram_update(build_state->rsdp_mr, tables.rsdp); acpi_ram_update(build_state->linker_mr, tables.linker->cmd_blob); acpi_build_tables_cleanup(&tables, true); @@ -2805,7 +2800,6 @@ void acpi_setup(void) tables.vmgenid); } - build_state->rsdp = NULL; build_state->rsdp_mr = acpi_add_rom_blob(acpi_build_update, build_state, tables.rsdp, ACPI_BUILD_RSDP_FILE); -- 2.41.0

The pc-i440fx-2.3 machine was deprecated for the 8.2 release (see commit c7437f0ddb "docs/about: Mark the old pc-i440fx-2.0 - 2.3 machine types as deprecated"), time to remove it. Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- docs/about/deprecated.rst | 7 ------- docs/about/removed-features.rst | 2 +- hw/i386/pc.c | 25 ------------------------- hw/i386/pc_piix.c | 20 -------------------- 4 files changed, 1 insertion(+), 53 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 84c82d85e1..78be35e42a 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -221,13 +221,6 @@ deprecated; use the new name ``dtb-randomness`` instead. The new name better reflects the way this property affects all random data within the device tree blob, not just the ``kaslr-seed`` node. -``pc-i440fx-2.3`` (since 8.2) -''''''''''''''''''''''''''''' - -This old machine type is quite neglected nowadays and thus might have -various pitfalls with regards to live migration. Use a newer machine type -instead. - Nios II ``10m50-ghrd`` and ``nios2-generic-nommu`` machines (since 8.2) ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst index c2ec08f56c..533d4669d2 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -801,7 +801,7 @@ mips ``fulong2e`` machine alias (removed in 6.0) This machine has been renamed ``fuloong2e``. -``pc-0.10`` up to ``pc-i440fx-2.2`` (removed in 4.0 up to 9.0) +``pc-0.10`` up to ``pc-i440fx-2.3`` (removed in 4.0 up to 9.0) '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' These machine types were very old and likely could not be used for live diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 7f41895d97..4b9f4c5c2c 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -256,31 +256,6 @@ GlobalProperty pc_compat_2_4[] = { }; const size_t pc_compat_2_4_len = G_N_ELEMENTS(pc_compat_2_4); -GlobalProperty pc_compat_2_3[] = { - PC_CPU_MODEL_IDS("2.3.0") - { TYPE_X86_CPU, "arat", "off" }, - { "qemu64" "-" TYPE_X86_CPU, "min-level", "4" }, - { "kvm64" "-" TYPE_X86_CPU, "min-level", "5" }, - { "pentium3" "-" TYPE_X86_CPU, "min-level", "2" }, - { "n270" "-" TYPE_X86_CPU, "min-level", "5" }, - { "Conroe" "-" TYPE_X86_CPU, "min-level", "4" }, - { "Penryn" "-" TYPE_X86_CPU, "min-level", "4" }, - { "Nehalem" "-" TYPE_X86_CPU, "min-level", "4" }, - { "n270" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, - { "Penryn" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, - { "Conroe" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, - { "Nehalem" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, - { "Westmere" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, - { "SandyBridge" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, - { "IvyBridge" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, - { "Haswell" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, - { "Haswell-noTSX" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, - { "Broadwell" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, - { "Broadwell-noTSX" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, - { TYPE_X86_CPU, "kvm-no-smi-migration", "on" }, -}; -const size_t pc_compat_2_3_len = G_N_ELEMENTS(pc_compat_2_3); - GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled) { GSIState *s; diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index e5a2182211..2e056036de 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -421,14 +421,6 @@ static void pc_set_south_bridge(Object *obj, int value, Error **errp) * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). */ -static void pc_compat_2_3_fn(MachineState *machine) -{ - X86MachineState *x86ms = X86_MACHINE(machine); - if (kvm_enabled()) { - x86ms->smm = ON_OFF_AUTO_OFF; - } -} - #ifdef CONFIG_ISAPC static void pc_init_isa(MachineState *machine) { @@ -807,18 +799,6 @@ static void pc_i440fx_2_4_machine_options(MachineClass *m) DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, pc_i440fx_2_4_machine_options) -static void pc_i440fx_2_3_machine_options(MachineClass *m) -{ - pc_i440fx_2_4_machine_options(m); - m->hw_version = "2.3.0"; - m->deprecation_reason = "old and unattended - use a newer version instead"; - compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); - compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); -} - -DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, - pc_i440fx_2_3_machine_options); - #ifdef CONFIG_ISAPC static void isapc_machine_options(MachineClass *m) { -- 2.41.0

X86CPU::kvm_no_smi_migration was only used by the pc-i440fx-2.3 machine, which got removed. Remove it and simplify kvm_put_vcpu_events(). Signed-off-by: Philippe Mathieu-Daudé <philmd(a)linaro.org&gt; --- target/i386/cpu.h | 3 --- target/i386/cpu.c | 2 -- target/i386/kvm/kvm.c | 6 ------ 3 files changed, 11 deletions(-) diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 952174bb6f..bdc640e844 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -2018,9 +2018,6 @@ struct ArchCPU { /* if set, limit maximum value for phys_bits when host_phys_bits is true */ uint8_t host_phys_bits_limit; - /* Stop SMI delivery for migration compatibility with old machines */ - bool kvm_no_smi_migration; - /* Forcefully disable KVM PV features not exposed in guest CPUIDs */ bool kvm_pv_enforce_cpuid; diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 2666ef3808..0e3ad8db2b 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -7905,8 +7905,6 @@ static Property x86_cpu_properties[] = { DEFINE_PROP_BOOL("x-vendor-cpuid-only", X86CPU, vendor_cpuid_only, true), DEFINE_PROP_BOOL("lmce", X86CPU, enable_lmce, false), DEFINE_PROP_BOOL("l3-cache", X86CPU, enable_l3_cache, true), - DEFINE_PROP_BOOL("kvm-no-smi-migration", X86CPU, kvm_no_smi_migration, - false), DEFINE_PROP_BOOL("kvm-pv-enforce-cpuid", X86CPU, kvm_pv_enforce_cpuid, false), DEFINE_PROP_BOOL("vmware-cpuid-freq", X86CPU, vmware_cpuid_freq, true), diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index 42970ab046..571cbbf1fc 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -4344,12 +4344,6 @@ static int kvm_put_vcpu_events(X86CPU *cpu, int level) events.smi.pending = 0; events.smi.latched_init = 0; } - /* Stop SMI delivery on old machine types to avoid a reboot - * on an inward migration of an old VM. - */ - if (!cpu->kvm_no_smi_migration) { - events.flags |= KVM_VCPUEVENT_VALID_SMM; - } } if (level >= KVM_PUT_RESET_STATE) { -- 2.41.0

On 6/3/24 19:30, Thomas Huth wrote: Oops you are right, good catch!