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| author | Eduardo Habkost <ehabkost@redhat.com> | 2014-03-18 16:29:23 -0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2014-03-19 13:24:29 +0200 |
| commit | d2995916ea262bca40788f275c7f53f1c0a0b606 (patch) | |
| tree | 9fa3b2867769157f515b94a18e4ae481b3af3663 | |
| parent | 821e3227863ea8db057190e578efa0f1f57ed9de (diff) | |
| download | qemu-d2995916ea262bca40788f275c7f53f1c0a0b606.zip | |
sysemu.h: Document what MAX_CPUMASK_BITS really limits
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| -rw-r--r-- | include/sysemu/sysemu.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index b90df9ada1..90f192a074 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]; |