1 files changed, 11 insertions, 36 deletions
diff --git a/include/linux/sched/coredump.h b/include/linux/sched/coredump.h
index 624fda17a785..20957ccde3b5 100644
--- a/include/linux/sched/coredump.h
+++ b/include/linux/sched/coredump.h
@@ -2,43 +2,18 @@
 #ifndef _LINUX_SCHED_COREDUMP_H
 #define _LINUX_SCHED_COREDUMP_H
 
-#include <linux/mm_types.h>
-
-#define SUID_DUMP_DISABLE	0	/* No setuid dumping */
-#define SUID_DUMP_USER		1	/* Dump as user of process */
-#define SUID_DUMP_ROOT		2	/* Dump as root */
-
-static inline unsigned long __mm_flags_get_dumpable(const struct mm_struct *mm)
-{
-	/*
-	 * By convention, dumpable bits are contained in first 32 bits of the
-	 * bitmap, so we can simply access this first unsigned long directly.
-	 */
-	return __mm_flags_get_word(mm);
-}
-
-static inline void __mm_flags_set_mask_dumpable(struct mm_struct *mm, int value)
-{
-	__mm_flags_set_mask_bits_word(mm, MMF_DUMPABLE_MASK, value);
-}
-
-extern void set_dumpable(struct mm_struct *mm, int value);
 /*
- * This returns the actual value of the suid_dumpable flag. For things
- * that are using this for checking for privilege transitions, it must
- * test against SUID_DUMP_USER rather than treating it as a boolean
- * value.
+ * Task dumpability mode.  Gates core dump production and ptrace_attach()
+ * authorization.  The numeric values are stable ABI (suid_dumpable
+ * sysctl, prctl(PR_SET_DUMPABLE)); do not renumber.
  */
-static inline int __get_dumpable(unsigned long mm_flags)
-{
-	return mm_flags & MMF_DUMPABLE_MASK;
-}
-
-static inline int get_dumpable(struct mm_struct *mm)
-{
-	unsigned long flags = __mm_flags_get_dumpable(mm);
-
-	return __get_dumpable(flags);
-}
+enum task_dumpable {
+	TASK_DUMPABLE_OFF	= 0,	/* no dump; ptrace needs CAP_SYS_PTRACE */
+	TASK_DUMPABLE_OWNER	= 1,	/* default; dump and ptrace by uid match */
+	TASK_DUMPABLE_ROOT	= 2,	/* dump as root; ptrace needs CAP_SYS_PTRACE */
+};
+
+void task_exec_state_set_dumpable(enum task_dumpable value);
+enum task_dumpable task_exec_state_get_dumpable(struct task_struct *task);
 
 #endif /* _LINUX_SCHED_COREDUMP_H */