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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2017-09-22 15:17:41 +0300
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2017-09-28 08:29:43 +0300
commit1887aa07b6765d345dd79f26017aa2d15d49d7af (patch)
tree24dcca920f2326ac49c4ccd740d60b8b44e14ba7 /arch/s390/include/asm/topology.h
parent8179c7ba109a8eca5fdc214d695ef009ee2fa9cb (diff)
downloadlinux-1887aa07b6765d345dd79f26017aa2d15d49d7af.tar.xz
s390/topology: add detection of dedicated vs shared CPUs
The topology information returned by STSI 15.x.x contains a flag if the CPUs of a topology-list are dedicated or shared. Make this information available if the machine provides topology information. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/topology.h')
-rw-r--r--arch/s390/include/asm/topology.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index 5222da162b69..5108176435c1 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -16,6 +16,7 @@ struct cpu_topology_s390 {
unsigned short book_id;
unsigned short drawer_id;
unsigned short node_id;
+ unsigned short dedicated : 1;
cpumask_t thread_mask;
cpumask_t core_mask;
cpumask_t book_mask;
@@ -34,6 +35,7 @@ extern cpumask_t cpus_with_topology;
#define topology_book_cpumask(cpu) (&cpu_topology[cpu].book_mask)
#define topology_drawer_id(cpu) (cpu_topology[cpu].drawer_id)
#define topology_drawer_cpumask(cpu) (&cpu_topology[cpu].drawer_mask)
+#define topology_cpu_dedicated(cpu) (cpu_topology[cpu].dedicated)
#define mc_capable() 1