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authorIgor Mammedov <imammedo@redhat.com>2016-11-18 12:02:54 +0100
committerEduardo Habkost <ehabkost@redhat.com>2017-01-12 15:51:36 -0200
commitcdda2018e3b9ce0c18938767dfdb1e05a05b67ca (patch)
treec63be6fa7675181574676569d5fc21a88069d115 /include
parent410e98146ffde201ab4c778823ac8beaa74c4c3f (diff)
downloadfocaccia-qemu-cdda2018e3b9ce0c18938767dfdb1e05a05b67ca.tar.gz
focaccia-qemu-cdda2018e3b9ce0c18938767dfdb1e05a05b67ca.zip
numa: make -numa parser dynamically allocate CPUs masks
so it won't impose an additional limits on max_cpus limits
supported by different targets.

It removes global MAX_CPUMASK_BITS constant and need to
bump it up whenever max_cpus is being increased for
a target above MAX_CPUMASK_BITS value.

Use runtime max_cpus value instead to allocate sufficiently
sized node_cpu bitmasks in numa parser.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1479466974-249781-1-git-send-email-imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
[ehabkost: Added asserts to ensure cpu_index < max_cpus]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/sysemu/numa.h2
-rw-r--r--include/sysemu/sysemu.h7
2 files changed, 1 insertions, 8 deletions
diff --git a/include/sysemu/numa.h b/include/sysemu/numa.h
index 4da808a6e9..8f09dcf918 100644
--- a/include/sysemu/numa.h
+++ b/include/sysemu/numa.h
@@ -17,7 +17,7 @@ struct numa_addr_range {
 
 typedef struct node_info {
     uint64_t node_mem;
-    DECLARE_BITMAP(node_cpu, MAX_CPUMASK_BITS);
+    unsigned long *node_cpu;
     struct HostMemoryBackend *node_memdev;
     bool present;
     QLIST_HEAD(, numa_addr_range) addr; /* List to store address ranges */
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 66c6f1577e..cccde56454 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -168,13 +168,6 @@ extern int mem_prealloc;
 #define MAX_NODES 128
 #define NUMA_NODE_UNASSIGNED MAX_NODES
 
-/* 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 288
-
 #define MAX_OPTION_ROMS 16
 typedef struct QEMUOptionRom {
     const char *name;