[Qemu-devel] [PATCH 1/4] Support more than 255 cpus: ACPI and APIC defines

["Li, Zhen-Hua" <zhen-hual@hp.com>]

From: "Li, ZhenHua" <zhen-hual@hp.com>

Change ACPI_CPU_HOTPLUG_ID_LIMIT from 256 to 4096;
Change MAX_APICS from 256 to 4096;

Signed-off-by: Li, ZhenHua <zhen-hual@hp.com>
---
 include/hw/acpi/cpu_hotplug_defs.h | 4 ++--
 include/hw/i386/apic_internal.h    | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/hw/acpi/cpu_hotplug_defs.h b/include/hw/acpi/cpu_hotplug_defs.h
index 9f33663..17381e6 100644
--- a/include/hw/acpi/cpu_hotplug_defs.h
+++ b/include/hw/acpi/cpu_hotplug_defs.h
@@ -21,10 +21,10 @@
 /* Limit for CPU arch IDs for CPU hotplug. All hotpluggable CPUs should
  * have CPUClass.get_arch_id() < ACPI_CPU_HOTPLUG_ID_LIMIT.
  */
-#define ACPI_CPU_HOTPLUG_ID_LIMIT 256
+#define ACPI_CPU_HOTPLUG_ID_LIMIT 4096
 
 /* 256 CPU IDs, 8 bits per entry: */
-#define ACPI_GPE_PROC_LEN 32
+#define ACPI_GPE_PROC_LEN ((ACPI_CPU_HOTPLUG_ID_LIMIT)/8)
 
 #define ICH9_CPU_HOTPLUG_IO_BASE 0x0CD8
 #define PIIX4_CPU_HOTPLUG_IO_BASE 0xaf00
diff --git a/include/hw/i386/apic_internal.h b/include/hw/i386/apic_internal.h
index 70542a6..e21f30e 100644
--- a/include/hw/i386/apic_internal.h
+++ b/include/hw/i386/apic_internal.h
@@ -64,7 +64,7 @@
 #define VAPIC_ENABLE_BIT                0
 #define VAPIC_ENABLE_MASK               (1 << VAPIC_ENABLE_BIT)
 
-#define MAX_APICS 255
+#define MAX_APICS 4096
 
 typedef struct APICCommonState APICCommonState;
 
-- 
2.0.0-rc0