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-rw-r--r--include/linux/sched.h23
1 files changed, 18 insertions, 5 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 3f5395ae86bc..dc4ad4c58fae 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -36,6 +36,7 @@
#include <linux/seqlock.h>
#include <linux/kcsan.h>
#include <linux/rv.h>
+#include <linux/livepatch_sched.h>
#include <asm/kmap_size.h>
/* task_struct member predeclarations (sorted alphabetically): */
@@ -1313,7 +1314,10 @@ struct task_struct {
#ifdef CONFIG_SCHED_MM_CID
int mm_cid; /* Current cid in mm */
+ int last_mm_cid; /* Most recent cid in mm */
+ int migrate_from_cpu;
int mm_cid_active; /* Whether cid bitmap is active */
+ struct callback_head cid_work;
#endif
struct tlbflush_unmap_batch tlb_ubc;
@@ -2067,6 +2071,9 @@ extern int __cond_resched(void);
#if defined(CONFIG_PREEMPT_DYNAMIC) && defined(CONFIG_HAVE_PREEMPT_DYNAMIC_CALL)
+void sched_dynamic_klp_enable(void);
+void sched_dynamic_klp_disable(void);
+
DECLARE_STATIC_CALL(cond_resched, __cond_resched);
static __always_inline int _cond_resched(void)
@@ -2075,6 +2082,7 @@ static __always_inline int _cond_resched(void)
}
#elif defined(CONFIG_PREEMPT_DYNAMIC) && defined(CONFIG_HAVE_PREEMPT_DYNAMIC_KEY)
+
extern int dynamic_cond_resched(void);
static __always_inline int _cond_resched(void)
@@ -2082,20 +2090,25 @@ static __always_inline int _cond_resched(void)
return dynamic_cond_resched();
}
-#else
+#else /* !CONFIG_PREEMPTION */
static inline int _cond_resched(void)
{
+ klp_sched_try_switch();
return __cond_resched();
}
-#endif /* CONFIG_PREEMPT_DYNAMIC */
+#endif /* PREEMPT_DYNAMIC && CONFIG_HAVE_PREEMPT_DYNAMIC_CALL */
-#else
+#else /* CONFIG_PREEMPTION && !CONFIG_PREEMPT_DYNAMIC */
-static inline int _cond_resched(void) { return 0; }
+static inline int _cond_resched(void)
+{
+ klp_sched_try_switch();
+ return 0;
+}
-#endif /* !defined(CONFIG_PREEMPTION) || defined(CONFIG_PREEMPT_DYNAMIC) */
+#endif /* !CONFIG_PREEMPTION || CONFIG_PREEMPT_DYNAMIC */
#define cond_resched() ({ \
__might_resched(__FILE__, __LINE__, 0); \