[PATCH 1/2] sched/topology: Move sd_flag_debug out of linux/sched/topology.h

From: Valentin Schneider
Date: Tue Aug 25 2020 - 09:32:53 EST


Defining an array in a header imported all over the place clearly is a daft
idea, that still didn't stop me from doing it.

Leave a declaration of sd_flag_debug in topology.h and move its definition
to sched/debug.c.

Fixes: b6e862f38672 ("sched/topology: Define and assign sched_domain flag metadata")
Reported-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Valentin Schneider <valentin.schneider@xxxxxxx>
---
include/linux/sched/topology.h | 9 ++++-----
kernel/sched/debug.c | 6 ++++++
2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h
index 2d59ca77103e..b9b0dab4d067 100644
--- a/include/linux/sched/topology.h
+++ b/include/linux/sched/topology.h
@@ -33,14 +33,13 @@ static const unsigned int SD_DEGENERATE_GROUPS_MASK =
#undef SD_FLAG

#ifdef CONFIG_SCHED_DEBUG
-#define SD_FLAG(_name, mflags) [__##_name] = { .meta_flags = mflags, .name = #_name },
-static const struct {
+
+struct sd_flag_debug {
unsigned int meta_flags;
char *name;
-} sd_flag_debug[] = {
-#include <linux/sched/sd_flags.h>
};
-#undef SD_FLAG
+extern const struct sd_flag_debug sd_flag_debug[];
+
#endif

#ifdef CONFIG_SCHED_SMT
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 0655524700d2..0d7896d2a0b2 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -245,6 +245,12 @@ set_table_entry(struct ctl_table *entry,
entry->proc_handler = proc_handler;
}

+#define SD_FLAG(_name, mflags) [__##_name] = { .meta_flags = mflags, .name = #_name },
+const struct sd_flag_debug sd_flag_debug[] = {
+#include <linux/sched/sd_flags.h>
+};
+#undef SD_FLAG
+
static int sd_ctl_doflags(struct ctl_table *table, int write,
void *buffer, size_t *lenp, loff_t *ppos)
{
--
2.27.0