Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 39 insertions, 43 deletions

diff --git a/include/linux/security.h b/include/linux/security.h
index 83c18e8c846d..673afbb8238a 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -22,22 +22,36 @@
 #ifndef __LINUX_SECURITY_H
 #define __LINUX_SECURITY_H
 
-#include <linux/fs.h>
-#include <linux/fsnotify.h>
-#include <linux/binfmts.h>
-#include <linux/dcache.h>
-#include <linux/signal.h>
-#include <linux/resource.h>
-#include <linux/sem.h>
-#include <linux/shm.h>
-#include <linux/mm.h> /* PAGE_ALIGN */
-#include <linux/msg.h>
-#include <linux/sched.h>
 #include <linux/key.h>
-#include <linux/xfrm.h>
+#include <linux/capability.h>
 #include <linux/slab.h>
-#include <linux/xattr.h>
-#include <net/flow.h>
+#include <linux/err.h>
+
+struct linux_binprm;
+struct cred;
+struct rlimit;
+struct siginfo;
+struct sem_array;
+struct sembuf;
+struct kern_ipc_perm;
+struct audit_context;
+struct super_block;
+struct inode;
+struct dentry;
+struct file;
+struct vfsmount;
+struct path;
+struct qstr;
+struct nameidata;
+struct iattr;
+struct fown_struct;
+struct file_operations;
+struct shmid_kernel;
+struct msg_msg;
+struct msg_queue;
+struct xattr;
+struct xfrm_sec_ctx;
+struct mm_struct;
 
 /* Maximum number of letters for an LSM name string */
 #define SECURITY_NAME_MAX	10
@@ -49,6 +63,7 @@
 struct ctl_table;
 struct audit_krule;
 struct user_namespace;
+struct timezone;
 
 /*
  * These functions are in security/capability.c and are used
@@ -131,18 +146,6 @@ struct request_sock;
 #define LSM_UNSAFE_PTRACE_CAP	4
 
 #ifdef CONFIG_MMU
-/*
- * If a hint addr is less than mmap_min_addr change hint to be as
- * low as possible but still greater than mmap_min_addr
- */
-static inline unsigned long round_hint_to_min(unsigned long hint)
-{
-	hint &= PAGE_MASK;
-	if (((void *)hint != NULL) &&
-	    (hint < mmap_min_addr))
-		return PAGE_ALIGN(mmap_min_addr);
-	return hint;
-}
 extern int mmap_min_addr_handler(struct ctl_table *table, int write,
 				 void __user *buffer, size_t *lenp, loff_t *ppos);
 #endif
@@ -651,6 +654,10 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *	manual page for definitions of the @clone_flags.
  *	@clone_flags contains the flags indicating what should be shared.
  *	Return 0 if permission is granted.
+ * @task_free:
+ *	@task task being freed
+ *	Handle release of task-related resources. (Note that this can be called
+ *	from interrupt context.)
  * @cred_alloc_blank:
  *	@cred points to the credentials.
  *	@gfp indicates the atomicity of any memory allocations.
@@ -812,7 +819,7 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *	Check permissions before connecting or sending datagrams from @sock to
  *	@other.
  *	@sock contains the socket structure.
- *	@sock contains the peer socket structure.
+ *	@other contains the peer socket structure.
  *	Return 0 if permission is granted.
  *
  * The @unix_stream_connect and @unix_may_send hooks were necessary because
@@ -1493,6 +1500,7 @@ struct security_operations {
 	int (*dentry_open) (struct file *file, const struct cred *cred);
 
 	int (*task_create) (unsigned long clone_flags);
+	void (*task_free) (struct task_struct *task);
 	int (*cred_alloc_blank) (struct cred *cred, gfp_t gfp);
 	void (*cred_free) (struct cred *cred);
 	int (*cred_prepare)(struct cred *new, const struct cred *old,
@@ -1674,9 +1682,7 @@ int security_quotactl(int cmds, int type, int id, struct super_block *sb);
 int security_quota_on(struct dentry *dentry);
 int security_syslog(int type);
 int security_settime(const struct timespec *ts, const struct timezone *tz);
-int security_vm_enough_memory(long pages);
 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
-int security_vm_enough_memory_kern(long pages);
 int security_bprm_set_creds(struct linux_binprm *bprm);
 int security_bprm_check(struct linux_binprm *bprm);
 void security_bprm_committing_creds(struct linux_binprm *bprm);
@@ -1752,6 +1758,7 @@ int security_file_send_sigiotask(struct task_struct *tsk,
 int security_file_receive(struct file *file);
 int security_dentry_open(struct file *file, const struct cred *cred);
 int security_task_create(unsigned long clone_flags);
+void security_task_free(struct task_struct *task);
 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
 void security_cred_free(struct cred *cred);
 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
@@ -1896,25 +1903,11 @@ static inline int security_settime(const struct timespec *ts,
 	return cap_settime(ts, tz);
 }
 
-static inline int security_vm_enough_memory(long pages)
-{
-	WARN_ON(current->mm == NULL);
-	return cap_vm_enough_memory(current->mm, pages);
-}
-
 static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
 {
-	WARN_ON(mm == NULL);
 	return cap_vm_enough_memory(mm, pages);
 }
 
-static inline int security_vm_enough_memory_kern(long pages)
-{
-	/* If current->mm is a kernel thread then we will pass NULL,
-	   for this specific case that is fine */
-	return cap_vm_enough_memory(current->mm, pages);
-}
-
 static inline int security_bprm_set_creds(struct linux_binprm *bprm)
 {
 	return cap_bprm_set_creds(bprm);
@@ -2245,6 +2238,9 @@ static inline int security_task_create(unsigned long clone_flags)
 	return 0;
 }
 
+static inline void security_task_free(struct task_struct *task)
+{ }
+
 static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
 {
 	return 0;