4 files changed, 38 insertions, 25 deletions

diff --git a/include/linux/sched/clock.h b/include/linux/sched/clock.h
index 867d588314e0..ca008f7d3615 100644
--- a/include/linux/sched/clock.h
+++ b/include/linux/sched/clock.h
@@ -45,7 +45,7 @@ static inline u64 cpu_clock(int cpu)
 	return sched_clock();
 }
 
-static inline u64 local_clock(void)
+static __always_inline u64 local_clock(void)
 {
 	return sched_clock();
 }
@@ -79,10 +79,8 @@ static inline u64 cpu_clock(int cpu)
 	return sched_clock_cpu(cpu);
 }
 
-static inline u64 local_clock(void)
-{
-	return sched_clock_cpu(raw_smp_processor_id());
-}
+extern u64 local_clock(void);
+
 #endif
 
 #ifdef CONFIG_IRQ_TIME_ACCOUNTING
diff --git a/include/linux/sched/coredump.h b/include/linux/sched/coredump.h
index 8270ad7ae14c..0e17ae7fbfd3 100644
--- a/include/linux/sched/coredump.h
+++ b/include/linux/sched/coredump.h
@@ -81,9 +81,13 @@ static inline int get_dumpable(struct mm_struct *mm)
  * lifecycle of this mm, just for simplicity.
  */
 #define MMF_HAS_PINNED		27	/* FOLL_PIN has run, never cleared */
+
+#define MMF_HAS_MDWE		28
+#define MMF_HAS_MDWE_MASK	(1 << MMF_HAS_MDWE)
+
 #define MMF_DISABLE_THP_MASK	(1 << MMF_DISABLE_THP)
 
 #define MMF_INIT_MASK		(MMF_DUMPABLE_MASK | MMF_DUMP_FILTER_MASK |\
-				 MMF_DISABLE_THP_MASK)
+				 MMF_DISABLE_THP_MASK | MMF_HAS_MDWE_MASK)
 
 #endif /* _LINUX_SCHED_COREDUMP_H */
diff --git a/include/linux/sched/cputime.h b/include/linux/sched/cputime.h
index ce3c58286062..5f8fd5b24a2e 100644
--- a/include/linux/sched/cputime.h
+++ b/include/linux/sched/cputime.h
@@ -8,15 +8,6 @@
  * cputime accounting APIs:
  */
 
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
-#include <asm/cputime.h>
-
-#ifndef cputime_to_nsecs
-# define cputime_to_nsecs(__ct)	\
-	(cputime_to_usecs(__ct) * NSEC_PER_USEC)
-#endif
-#endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
-
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
 extern bool task_cputime(struct task_struct *t,
 			 u64 *utime, u64 *stime);
diff --git a/include/linux/sched/idle.h b/include/linux/sched/idle.h
index d73d314d59c6..478084f9105e 100644
--- a/include/linux/sched/idle.h
+++ b/include/linux/sched/idle.h
@@ -23,12 +23,37 @@ static inline void wake_up_if_idle(int cpu) { }
  */
 #ifdef TIF_POLLING_NRFLAG
 
-static inline void __current_set_polling(void)
+#ifdef _ASM_GENERIC_BITOPS_INSTRUMENTED_ATOMIC_H
+
+static __always_inline void __current_set_polling(void)
 {
-	set_thread_flag(TIF_POLLING_NRFLAG);
+	arch_set_bit(TIF_POLLING_NRFLAG,
+		     (unsigned long *)(&current_thread_info()->flags));
 }
 
-static inline bool __must_check current_set_polling_and_test(void)
+static __always_inline void __current_clr_polling(void)
+{
+	arch_clear_bit(TIF_POLLING_NRFLAG,
+		       (unsigned long *)(&current_thread_info()->flags));
+}
+
+#else
+
+static __always_inline void __current_set_polling(void)
+{
+	set_bit(TIF_POLLING_NRFLAG,
+		(unsigned long *)(&current_thread_info()->flags));
+}
+
+static __always_inline void __current_clr_polling(void)
+{
+	clear_bit(TIF_POLLING_NRFLAG,
+		  (unsigned long *)(&current_thread_info()->flags));
+}
+
+#endif /* _ASM_GENERIC_BITOPS_INSTRUMENTED_ATOMIC_H */
+
+static __always_inline bool __must_check current_set_polling_and_test(void)
 {
 	__current_set_polling();
 
@@ -41,12 +66,7 @@ static inline bool __must_check current_set_polling_and_test(void)
 	return unlikely(tif_need_resched());
 }
 
-static inline void __current_clr_polling(void)
-{
-	clear_thread_flag(TIF_POLLING_NRFLAG);
-}
-
-static inline bool __must_check current_clr_polling_and_test(void)
+static __always_inline bool __must_check current_clr_polling_and_test(void)
 {
 	__current_clr_polling();
 
@@ -73,7 +93,7 @@ static inline bool __must_check current_clr_polling_and_test(void)
 }
 #endif
 
-static inline void current_clr_polling(void)
+static __always_inline void current_clr_polling(void)
 {
 	__current_clr_polling();