[Crash-utility] [PATCH v2 02/25] add an API to check whether to hide a cpus' data
check_offline_cpu() is used to check whether a cpu is offline.
hide_offline_cpu() is based on check_offline_cpu() and used to check
whether the data related to the specified cpu should be hiden.
---
defs.h | 2 ++
kernel.c | 27 +++++++++++++++++++++++++++
2 files changed, 29 insertions(+)
diff --git a/defs.h b/defs.h
index 32c9d4d..0cf4f31 100755
--- a/defs.h
+++ b/defs.h
@@ -4894,6 +4894,8 @@ int get_cpus_online(void);
int get_cpus_active(void);
int get_cpus_present(void);
int get_cpus_possible(void);
+int check_offline_cpu(int);
+int hide_offline_cpu(int);
int get_highest_cpu_online(void);
int get_highest_cpu_present(void);
int get_cpus_to_display(void);
diff --git a/kernel.c b/kernel.c
index 87a0b75..8948c84 100755
--- a/kernel.c
+++ b/kernel.c
@@ -7989,6 +7989,33 @@ get_cpus_online()
}
/*
+ * check to see whether a cpu is offline
+ */
+int
+check_offline_cpu(int cpu)
+{
+ if (!cpu_map_addr("online"))
+ return FALSE;
+
+ if (in_cpu_map(ONLINE_MAP, cpu))
+ return FALSE;
+
+ return TRUE;
+}
+
+/*
+ * check to see whether the data related to the specified cpu should be hide
+ */
+int
+hide_offline_cpu(int cpu)
+{
+ if (!(pc->flags2 & OFFLINE_HIDE))
+ return FALSE;
+
+ return check_offline_cpu(cpu);
+}
+
+/*
* If it exists, return the highest cpu number in the cpu_online_map.
*/
int
--
1.8.5.3