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authorPhilippe Mathieu-Daudé <philmd@linaro.org>2024-02-28 09:52:30 +0100
committerPhilippe Mathieu-Daudé <philmd@linaro.org>2024-06-19 12:40:49 +0200
commit91616f812a1d0bbca9efb3f87ca128759f01f5f8 (patch)
treed9c5512eaacb1ea6ac4412935ae35093d6e13b1e
parentd6b832fca8909bfd629e89a5064addc8a7a48c89 (diff)
hw/i386/pc: Remove PCMachineClass::resizable_acpi_blob
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@linaro.org> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <20240617071118.60464-18-philmd@linaro.org>
-rw-r--r--hw/i386/acpi-build.c10
-rw-r--r--hw/i386/pc.c1
-rw-r--r--include/hw/i386/pc.h3
3 files changed, 0 insertions, 14 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index f5d74e2b4b..eafc3761c8 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -2687,16 +2687,6 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
* keep the table size stable for all (max_cpus, max_memory_slots)
* combinations.
*/
- /* 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 21a9b7a5ae..a6d50df500 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1774,7 +1774,6 @@ 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;
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 155a02b1b5..d01ddc4618 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -125,9 +125,6 @@ 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.