diff options
| author | Eduardo Habkost <ehabkost@redhat.com> | 2014-03-14 16:33:50 -0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2014-03-18 16:08:42 +0200 |
| commit | 1d14ac5af04fab9ee734cc4c810f022df6745278 (patch) | |
| tree | 734a81a7ffca1987ff08efaa4f8119a9ba4088bf /include/hw | |
| parent | 3dd46eb4969baaf32f490eaf57ed23672f1daad2 (diff) | |
acpi: Add ACPI_CPU_HOTPLUG_ID_LIMIT macro
The new macro will be helpful to allow us to detect too large SMP limits
before it is too late.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/acpi/cpu_hotplug_defs.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/hw/acpi/cpu_hotplug_defs.h b/include/hw/acpi/cpu_hotplug_defs.h index 2725b50aac..9f33663511 100644 --- a/include/hw/acpi/cpu_hotplug_defs.h +++ b/include/hw/acpi/cpu_hotplug_defs.h @@ -17,7 +17,15 @@ * between C and ASL code. */ #define ACPI_CPU_HOTPLUG_STATUS 4 + +/* 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 + +/* 256 CPU IDs, 8 bits per entry: */ #define ACPI_GPE_PROC_LEN 32 + #define ICH9_CPU_HOTPLUG_IO_BASE 0x0CD8 #define PIIX4_CPU_HOTPLUG_IO_BASE 0xaf00 |