ANDROID: sched: Add export symbols for sched features

Export symbols needed to implement vendor scheduler value-adds to modify
sched features dynamically at runtime, such as disabling TTWU_QUEUE.

Bug: 177050087
Change-Id: Ibe14d2019403be68b7ceeee47425b2473ccb51fe
Signed-off-by: Shaleen Agrawal <shalagra@codeaurora.org>

kernel/sched/core.c

@@ -62,6 +62,7 @@ EXPORT_SYMBOL_GPL(runqueues);
 const_debug unsigned int sysctl_sched_features =
 #include "features.h"
 	0;
+EXPORT_SYMBOL_GPL(sysctl_sched_features);
 #undef SCHED_FEAT
 
 /*

kernel/sched/debug.c

@@ -48,9 +48,10 @@ static unsigned long nsec_low(unsigned long long nsec)
 #define SCHED_FEAT(name, enabled)	\
 	#name ,
 
-static const char * const sched_feat_names[] = {
+const char * const sched_feat_names[] = {
 #include "features.h"
 };
+EXPORT_SYMBOL_GPL(sched_feat_names);
 
 #undef SCHED_FEAT
 

kernel/sched/sched.h

@@ -1985,6 +1985,8 @@ static __always_inline bool static_branch_##name(struct static_key *key) \
 #undef SCHED_FEAT
 
 extern struct static_key sched_feat_keys[__SCHED_FEAT_NR];
+extern const char * const sched_feat_names[__SCHED_FEAT_NR];
+
 #define sched_feat(x) (static_branch_##x(&sched_feat_keys[__SCHED_FEAT_##x]))
 
 #else /* !CONFIG_JUMP_LABEL */