[PATCH v2 2/7] selftests/powerpc: Move bind_to_cpu() to utils.h

[Benjamin Gray]

This function will be useful in the DSCR test patches later in this
series, so promote it to be shared by all powerpc selftests.

Signed-off-by: Benjamin Gray <bg...@linux.ibm.com>

---

v2:     * New in v2
---
 tools/testing/selftests/powerpc/include/utils.h |  1 +
 tools/testing/selftests/powerpc/pmu/lib.c       | 13 -------------
 tools/testing/selftests/powerpc/pmu/lib.h       |  1 -
 tools/testing/selftests/powerpc/utils.c         | 12 ++++++++++++
 4 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/tools/testing/selftests/powerpc/include/utils.h 
b/tools/testing/selftests/powerpc/include/utils.h
index eed7dd7582b2..d3589e16a20f 100644
--- a/tools/testing/selftests/powerpc/include/utils.h
+++ b/tools/testing/selftests/powerpc/include/utils.h
@@ -32,6 +32,7 @@ void *find_auxv_entry(int type, char *auxv);
 void *get_auxv_entry(int type);
 
 int pick_online_cpu(void);
+int bind_to_cpu(int cpu);
 
 int parse_intmax(const char *buffer, size_t count, intmax_t *result, int base);
 int parse_uintmax(const char *buffer, size_t count, uintmax_t *result, int 
base);
diff --git a/tools/testing/selftests/powerpc/pmu/lib.c 
b/tools/testing/selftests/powerpc/pmu/lib.c
index 719f94f10d41..144f90a78d69 100644
--- a/tools/testing/selftests/powerpc/pmu/lib.c
+++ b/tools/testing/selftests/powerpc/pmu/lib.c
@@ -14,19 +14,6 @@
 #include "utils.h"
 #include "lib.h"
 
-
-int bind_to_cpu(int cpu)
-{
-       cpu_set_t mask;
-
-       printf("Binding to cpu %d\n", cpu);
-
-       CPU_ZERO(&mask);
-       CPU_SET(cpu, &mask);
-
-       return sched_setaffinity(0, sizeof(mask), &mask);
-}
-
 #define PARENT_TOKEN   0xAA
 #define CHILD_TOKEN    0x55
 
diff --git a/tools/testing/selftests/powerpc/pmu/lib.h 
b/tools/testing/selftests/powerpc/pmu/lib.h
index bf1bec013bbb..1d62403ae6ea 100644
--- a/tools/testing/selftests/powerpc/pmu/lib.h
+++ b/tools/testing/selftests/powerpc/pmu/lib.h
@@ -20,7 +20,6 @@ union pipe {
        int fds[2];
 };
 
-extern int bind_to_cpu(int cpu);
 extern int kill_child_and_wait(pid_t child_pid);
 extern int wait_for_child(pid_t child_pid);
 extern int sync_with_child(union pipe read_pipe, union pipe write_pipe);
diff --git a/tools/testing/selftests/powerpc/utils.c 
b/tools/testing/selftests/powerpc/utils.c
index 7c8cfedb012a..cdb996dba703 100644
--- a/tools/testing/selftests/powerpc/utils.c
+++ b/tools/testing/selftests/powerpc/utils.c
@@ -452,6 +452,18 @@ int pick_online_cpu(void)
        return cpu;
 }
 
+int bind_to_cpu(int cpu)
+{
+       cpu_set_t mask;
+
+       printf("Binding to cpu %d\n", cpu);
+
+       CPU_ZERO(&mask);
+       CPU_SET(cpu, &mask);
+
+       return sched_setaffinity(0, sizeof(mask), &mask);
+}
+
 bool is_ppc64le(void)
 {
        struct utsname uts;
-- 
2.39.2