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Diffstat (limited to 'include/linux/sched.h')
-rw-r--r--include/linux/sched.h44
1 files changed, 34 insertions, 10 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 508b91d57470..4a6fdd2a679f 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -619,10 +619,6 @@ struct sched_dl_entity {
* task has to wait for a replenishment to be performed at the
* next firing of dl_timer.
*
- * @dl_boosted tells if we are boosted due to DI. If so we are
- * outside bandwidth enforcement mechanism (but only until we
- * exit the critical section);
- *
* @dl_yielded tells if task gave up the CPU before consuming
* all its available runtime during the last job.
*
@@ -942,6 +938,9 @@ struct task_struct {
/* Recursion prevention for eventfd_signal() */
unsigned in_eventfd_signal:1;
#endif
+#ifdef CONFIG_IOMMU_SVA
+ unsigned pasid_activated:1;
+#endif
unsigned long atomic_flags; /* Flags requiring atomic access. */
@@ -1091,6 +1090,9 @@ struct task_struct {
/* Restored if set_restore_sigmask() was used: */
sigset_t saved_sigmask;
struct sigpending pending;
+#ifdef CONFIG_RT_DELAYED_SIGNALS
+ struct kernel_siginfo forced_info;
+#endif
unsigned long sas_ss_sp;
size_t sas_ss_size;
unsigned int sas_ss_flags;
@@ -1485,6 +1487,9 @@ struct task_struct {
#ifdef CONFIG_KRETPROBES
struct llist_head kretprobe_instances;
#endif
+#ifdef CONFIG_RETHOOK
+ struct llist_head rethooks;
+#endif
#ifdef CONFIG_ARCH_HAS_PARANOID_L1D_FLUSH
/*
@@ -1624,19 +1629,32 @@ static inline pid_t task_pgrp_nr(struct task_struct *tsk)
#define TASK_REPORT_IDLE (TASK_REPORT + 1)
#define TASK_REPORT_MAX (TASK_REPORT_IDLE << 1)
-static inline unsigned int task_state_index(struct task_struct *tsk)
+static inline unsigned int __task_state_index(unsigned int tsk_state,
+ unsigned int tsk_exit_state)
{
- unsigned int tsk_state = READ_ONCE(tsk->__state);
- unsigned int state = (tsk_state | tsk->exit_state) & TASK_REPORT;
+ unsigned int state = (tsk_state | tsk_exit_state) & TASK_REPORT;
BUILD_BUG_ON_NOT_POWER_OF_2(TASK_REPORT_MAX);
if (tsk_state == TASK_IDLE)
state = TASK_REPORT_IDLE;
+ /*
+ * We're lying here, but rather than expose a completely new task state
+ * to userspace, we can make this appear as if the task has gone through
+ * a regular rt_mutex_lock() call.
+ */
+ if (tsk_state == TASK_RTLOCK_WAIT)
+ state = TASK_UNINTERRUPTIBLE;
+
return fls(state);
}
+static inline unsigned int task_state_index(struct task_struct *tsk)
+{
+ return __task_state_index(READ_ONCE(tsk->__state), tsk->exit_state);
+}
+
static inline char task_index_to_char(unsigned int state)
{
static const char state_char[] = "RSDTtXZPI";
@@ -1684,7 +1702,6 @@ extern struct pid *cad_pid;
#define PF_MEMALLOC 0x00000800 /* Allocating memory */
#define PF_NPROC_EXCEEDED 0x00001000 /* set_user() noticed that RLIMIT_NPROC was exceeded */
#define PF_USED_MATH 0x00002000 /* If unset the fpu must be initialized before use */
-#define PF_USED_ASYNC 0x00004000 /* Used async_schedule*(), used by module init */
#define PF_NOFREEZE 0x00008000 /* This thread should not be frozen */
#define PF_FROZEN 0x00010000 /* Frozen for system suspend */
#define PF_KSWAPD 0x00020000 /* I am kswapd */
@@ -1694,7 +1711,6 @@ extern struct pid *cad_pid;
* I am cleaning dirty pages from some other bdi. */
#define PF_KTHREAD 0x00200000 /* I am a kernel thread */
#define PF_RANDOMIZE 0x00400000 /* Randomize virtual address space */
-#define PF_SWAPWRITE 0x00800000 /* Allowed to write to swap */
#define PF_NO_SETAFFINITY 0x04000000 /* Userland is not allowed to meddle with cpus_mask */
#define PF_MCE_EARLY 0x08000000 /* Early kill for mce process policy */
#define PF_MEMALLOC_PIN 0x10000000 /* Allocation context constrained to zones which allow long term pinning. */
@@ -2020,7 +2036,7 @@ static inline int test_tsk_need_resched(struct task_struct *tsk)
#if !defined(CONFIG_PREEMPTION) || defined(CONFIG_PREEMPT_DYNAMIC)
extern int __cond_resched(void);
-#ifdef CONFIG_PREEMPT_DYNAMIC
+#if defined(CONFIG_PREEMPT_DYNAMIC) && defined(CONFIG_HAVE_PREEMPT_DYNAMIC_CALL)
DECLARE_STATIC_CALL(cond_resched, __cond_resched);
@@ -2029,6 +2045,14 @@ static __always_inline int _cond_resched(void)
return static_call_mod(cond_resched)();
}
+#elif defined(CONFIG_PREEMPT_DYNAMIC) && defined(CONFIG_HAVE_PREEMPT_DYNAMIC_KEY)
+extern int dynamic_cond_resched(void);
+
+static __always_inline int _cond_resched(void)
+{
+ return dynamic_cond_resched();
+}
+
#else
static inline int _cond_resched(void)