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-rw-r--r--include/linux/sched/coredump.h82
-rw-r--r--include/linux/sched/ext.h3
-rw-r--r--include/linux/sched/signal.h4
-rw-r--r--include/linux/sched/task_stack.h4
4 files changed, 6 insertions, 87 deletions
diff --git a/include/linux/sched/coredump.h b/include/linux/sched/coredump.h
index e62ff805cfc9..6eb65ceed213 100644
--- a/include/linux/sched/coredump.h
+++ b/include/linux/sched/coredump.h
@@ -8,12 +8,6 @@
#define SUID_DUMP_USER 1 /* Dump as user of process */
#define SUID_DUMP_ROOT 2 /* Dump as root */
-/* mm flags */
-
-/* for SUID_DUMP_* above */
-#define MMF_DUMPABLE_BITS 2
-#define MMF_DUMPABLE_MASK ((1 << MMF_DUMPABLE_BITS) - 1)
-
extern void set_dumpable(struct mm_struct *mm, int value);
/*
* This returns the actual value of the suid_dumpable flag. For things
@@ -31,80 +25,4 @@ static inline int get_dumpable(struct mm_struct *mm)
return __get_dumpable(mm->flags);
}
-/* coredump filter bits */
-#define MMF_DUMP_ANON_PRIVATE 2
-#define MMF_DUMP_ANON_SHARED 3
-#define MMF_DUMP_MAPPED_PRIVATE 4
-#define MMF_DUMP_MAPPED_SHARED 5
-#define MMF_DUMP_ELF_HEADERS 6
-#define MMF_DUMP_HUGETLB_PRIVATE 7
-#define MMF_DUMP_HUGETLB_SHARED 8
-#define MMF_DUMP_DAX_PRIVATE 9
-#define MMF_DUMP_DAX_SHARED 10
-
-#define MMF_DUMP_FILTER_SHIFT MMF_DUMPABLE_BITS
-#define MMF_DUMP_FILTER_BITS 9
-#define MMF_DUMP_FILTER_MASK \
- (((1 << MMF_DUMP_FILTER_BITS) - 1) << MMF_DUMP_FILTER_SHIFT)
-#define MMF_DUMP_FILTER_DEFAULT \
- ((1 << MMF_DUMP_ANON_PRIVATE) | (1 << MMF_DUMP_ANON_SHARED) |\
- (1 << MMF_DUMP_HUGETLB_PRIVATE) | MMF_DUMP_MASK_DEFAULT_ELF)
-
-#ifdef CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS
-# define MMF_DUMP_MASK_DEFAULT_ELF (1 << MMF_DUMP_ELF_HEADERS)
-#else
-# define MMF_DUMP_MASK_DEFAULT_ELF 0
-#endif
- /* leave room for more dump flags */
-#define MMF_VM_MERGEABLE 16 /* KSM may merge identical pages */
-#define MMF_VM_HUGEPAGE 17 /* set when mm is available for
- khugepaged */
-/*
- * This one-shot flag is dropped due to necessity of changing exe once again
- * on NFS restore
- */
-//#define MMF_EXE_FILE_CHANGED 18 /* see prctl_set_mm_exe_file() */
-
-#define MMF_HAS_UPROBES 19 /* has uprobes */
-#define MMF_RECALC_UPROBES 20 /* MMF_HAS_UPROBES can be wrong */
-#define MMF_OOM_SKIP 21 /* mm is of no interest for the OOM killer */
-#define MMF_UNSTABLE 22 /* mm is unstable for copy_from_user */
-#define MMF_HUGE_ZERO_PAGE 23 /* mm has ever used the global huge zero page */
-#define MMF_DISABLE_THP 24 /* disable THP for all VMAs */
-#define MMF_DISABLE_THP_MASK (1 << MMF_DISABLE_THP)
-#define MMF_OOM_REAP_QUEUED 25 /* mm was queued for oom_reaper */
-#define MMF_MULTIPROCESS 26 /* mm is shared between processes */
-/*
- * MMF_HAS_PINNED: Whether this mm has pinned any pages. This can be either
- * replaced in the future by mm.pinned_vm when it becomes stable, or grow into
- * a counter on its own. We're aggresive on this bit for now: even if the
- * pinned pages were unpinned later on, we'll still keep this bit set for the
- * 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_HAS_MDWE_NO_INHERIT 29
-
-#define MMF_VM_MERGE_ANY 30
-#define MMF_VM_MERGE_ANY_MASK (1 << MMF_VM_MERGE_ANY)
-
-#define MMF_TOPDOWN 31 /* mm searches top down by default */
-#define MMF_TOPDOWN_MASK (1 << MMF_TOPDOWN)
-
-#define MMF_INIT_MASK (MMF_DUMPABLE_MASK | MMF_DUMP_FILTER_MASK |\
- MMF_DISABLE_THP_MASK | MMF_HAS_MDWE_MASK |\
- MMF_VM_MERGE_ANY_MASK | MMF_TOPDOWN_MASK)
-
-static inline unsigned long mmf_init_flags(unsigned long flags)
-{
- if (flags & (1UL << MMF_HAS_MDWE_NO_INHERIT))
- flags &= ~((1UL << MMF_HAS_MDWE) |
- (1UL << MMF_HAS_MDWE_NO_INHERIT));
- return flags & MMF_INIT_MASK;
-}
-
#endif /* _LINUX_SCHED_COREDUMP_H */
diff --git a/include/linux/sched/ext.h b/include/linux/sched/ext.h
index 1ddbde64a31b..1d70a9867fb1 100644
--- a/include/linux/sched/ext.h
+++ b/include/linux/sched/ext.h
@@ -199,17 +199,18 @@ struct sched_ext_entity {
#ifdef CONFIG_EXT_GROUP_SCHED
struct cgroup *cgrp_moving_from;
#endif
- /* must be the last field, see init_scx_entity() */
struct list_head tasks_node;
};
void sched_ext_free(struct task_struct *p);
void print_scx_info(const char *log_lvl, struct task_struct *p);
+void scx_softlockup(u32 dur_s);
#else /* !CONFIG_SCHED_CLASS_EXT */
static inline void sched_ext_free(struct task_struct *p) {}
static inline void print_scx_info(const char *log_lvl, struct task_struct *p) {}
+static inline void scx_softlockup(u32 dur_s) {}
#endif /* CONFIG_SCHED_CLASS_EXT */
#endif /* _LINUX_SCHED_EXT_H */
diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h
index c8ed09ac29ac..d5d03d919df8 100644
--- a/include/linux/sched/signal.h
+++ b/include/linux/sched/signal.h
@@ -138,6 +138,7 @@ struct signal_struct {
/* POSIX.1b Interval Timers */
unsigned int next_posix_timer_id;
struct hlist_head posix_timers;
+ struct hlist_head ignored_posix_timers;
/* ITIMER_REAL timer for the process */
struct hrtimer real_timer;
@@ -338,9 +339,6 @@ extern void force_fatal_sig(int);
extern void force_exit_sig(int);
extern int send_sig(int, struct task_struct *, int);
extern int zap_other_threads(struct task_struct *p);
-extern struct sigqueue *sigqueue_alloc(void);
-extern void sigqueue_free(struct sigqueue *);
-extern int send_sigqueue(struct sigqueue *, struct pid *, enum pid_type);
extern int do_sigaction(int, struct k_sigaction *, struct k_sigaction *);
static inline void clear_notify_signal(void)
diff --git a/include/linux/sched/task_stack.h b/include/linux/sched/task_stack.h
index bf10bdb487dd..cffad65bdc6a 100644
--- a/include/linux/sched/task_stack.h
+++ b/include/linux/sched/task_stack.h
@@ -9,6 +9,7 @@
#include <linux/sched.h>
#include <linux/magic.h>
#include <linux/refcount.h>
+#include <linux/kasan.h>
#ifdef CONFIG_THREAD_INFO_IN_TASK
@@ -33,7 +34,7 @@ static __always_inline unsigned long *end_of_stack(const struct task_struct *tas
#endif
}
-#elif !defined(__HAVE_THREAD_FUNCTIONS)
+#else
#define task_stack_page(task) ((void *)(task)->stack)
@@ -89,6 +90,7 @@ static inline int object_is_on_stack(const void *obj)
{
void *stack = task_stack_page(current);
+ obj = kasan_reset_tag(obj);
return (obj >= stack) && (obj < (stack + THREAD_SIZE));
}