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[Qemu-devel] [PULL 13/15] sysemu.h: Document what MAX_CPUMASK_BITS reall
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PULL 13/15] sysemu.h: Document what MAX_CPUMASK_BITS really limits |
Date: |
Mon, 24 Mar 2014 13:25:50 +0200 |
From: Eduardo Habkost <address@hidden>
Signed-off-by: Eduardo Habkost <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
include/sysemu/sysemu.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index b90df9a..90f192a 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -133,7 +133,14 @@ extern uint8_t qemu_extra_params_fw[2];
extern QEMUClockType rtc_clock;
#define MAX_NODES 64
+
+/* The following shall be true for all CPUs:
+ * cpu->cpu_index < max_cpus <= MAX_CPUMASK_BITS
+ *
+ * Note that cpu->get_arch_id() may be larger than MAX_CPUMASK_BITS.
+ */
#define MAX_CPUMASK_BITS 255
+
extern int nb_numa_nodes;
extern uint64_t node_mem[MAX_NODES];
extern unsigned long *node_cpumask[MAX_NODES];
--
MST
- [Qemu-devel] [PULL 05/15] acpi: Assert sts array limit on AcpiCpuHotplug_add(), (continued)
- [Qemu-devel] [PULL 05/15] acpi: Assert sts array limit on AcpiCpuHotplug_add(), Michael S. Tsirkin, 2014/03/24
- [Qemu-devel] [PULL 06/15] acpi: Don't use MAX_CPUMASK_BITS for APIC ID bitmap, Michael S. Tsirkin, 2014/03/24
- [Qemu-devel] [PULL 07/15] pc: Refuse max_cpus if it results in too large APIC ID, Michael S. Tsirkin, 2014/03/24
- [Qemu-devel] [PULL 08/15] i386/acpi-build: allow more than 255 elements in CPON, Michael S. Tsirkin, 2014/03/24
- [Qemu-devel] [PULL 09/15] acpi-test: rebuild SSDT, Michael S. Tsirkin, 2014/03/24
- [Qemu-devel] [PULL 10/15] i386/acpi-build: support hotplug of VCPU with APIC ID 0xFF, Michael S. Tsirkin, 2014/03/24
- [Qemu-devel] [PULL 11/15] acpi-test: signature endian-ness fixes, Michael S. Tsirkin, 2014/03/24
- [Qemu-devel] [PULL 12/15] acpi: fix endian-ness for table ids, Michael S. Tsirkin, 2014/03/24
- [Qemu-devel] [PULL 14/15] vl.c: Use MAX_CPUMASK_BITS macro instead of hardcoded constant, Michael S. Tsirkin, 2014/03/24
- [Qemu-devel] [PULL 15/15] tests/acpi-test: do not fail if iasl is broken, Michael S. Tsirkin, 2014/03/24
- [Qemu-devel] [PULL 13/15] sysemu.h: Document what MAX_CPUMASK_BITS really limits,
Michael S. Tsirkin <=
- Re: [Qemu-devel] [PULL 00/15] acpi,pc,test bug fixes, Peter Maydell, 2014/03/24