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-rw-r--r--include/linux/acpi.h11
-rw-r--r--include/linux/cred.h9
-rw-r--r--include/linux/ftrace_event.h34
-rw-r--r--include/linux/i2c.h12
-rw-r--r--include/linux/i2c/s6000.h10
-rw-r--r--include/linux/mount.h9
-rw-r--r--include/linux/nsproxy.h16
-rw-r--r--include/linux/pid_namespace.h1
-rw-r--r--include/linux/sched.h6
-rw-r--r--include/linux/signal.h15
-rw-r--r--include/linux/sunrpc/svc.h4
-rw-r--r--include/linux/sunrpc/svc_rdma.h3
-rw-r--r--include/linux/sunrpc/svc_xprt.h2
-rw-r--r--include/linux/tracehook.h8
-rw-r--r--include/linux/tracepoint.h44
15 files changed, 102 insertions, 82 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 5320153c311..807cbc46d73 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -364,6 +364,17 @@ extern bool osc_sb_apei_support_acked;
#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
#define OSC_PCI_CONTROL_MASKS 0x0000001f
+#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
+#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
+#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
+#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
+#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
+#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
+#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
+#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
+#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
+#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
+
extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
u32 *mask, u32 req);
diff --git a/include/linux/cred.h b/include/linux/cred.h
index f61d6c8f5ef..b2d0820837c 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -259,6 +259,15 @@ static inline void put_cred(const struct cred *_cred)
rcu_dereference_protected(current->cred, 1)
/**
+ * current_real_cred - Access the current task's objective credentials
+ *
+ * Access the objective credentials of the current task. RCU-safe,
+ * since nobody else can modify it.
+ */
+#define current_real_cred() \
+ rcu_dereference_protected(current->real_cred, 1)
+
+/**
* __task_cred - Access a task's objective credentials
* @task: The task to query
*
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 06c6faa9e5c..28672e87e91 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -571,40 +571,6 @@ do { \
__trace_printk(ip, fmt, ##args); \
} while (0)
-/**
- * tracepoint_string - register constant persistent string to trace system
- * @str - a constant persistent string that will be referenced in tracepoints
- *
- * If constant strings are being used in tracepoints, it is faster and
- * more efficient to just save the pointer to the string and reference
- * that with a printf "%s" instead of saving the string in the ring buffer
- * and wasting space and time.
- *
- * The problem with the above approach is that userspace tools that read
- * the binary output of the trace buffers do not have access to the string.
- * Instead they just show the address of the string which is not very
- * useful to users.
- *
- * With tracepoint_string(), the string will be registered to the tracing
- * system and exported to userspace via the debugfs/tracing/printk_formats
- * file that maps the string address to the string text. This way userspace
- * tools that read the binary buffers have a way to map the pointers to
- * the ASCII strings they represent.
- *
- * The @str used must be a constant string and persistent as it would not
- * make sense to show a string that no longer exists. But it is still fine
- * to be used with modules, because when modules are unloaded, if they
- * had tracepoints, the ring buffers are cleared too. As long as the string
- * does not change during the life of the module, it is fine to use
- * tracepoint_string() within a module.
- */
-#define tracepoint_string(str) \
- ({ \
- static const char *___tp_str __tracepoint_string = str; \
- ___tp_str; \
- })
-#define __tracepoint_string __attribute__((section("__tracepoint_str")))
-
#ifdef CONFIG_PERF_EVENTS
struct perf_event;
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index b556e0ab946..ea507665896 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -577,4 +577,16 @@ static inline struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node
}
#endif /* CONFIG_OF */
+#ifdef CONFIG_I2C_ACPI
+int acpi_i2c_install_space_handler(struct i2c_adapter *adapter);
+void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter);
+void acpi_i2c_register_devices(struct i2c_adapter *adap);
+#else
+static inline void acpi_i2c_register_devices(struct i2c_adapter *adap) { }
+static inline void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter)
+{ }
+static inline int acpi_i2c_install_space_handler(struct i2c_adapter *adapter)
+{ return 0; }
+#endif
+
#endif /* _LINUX_I2C_H */
diff --git a/include/linux/i2c/s6000.h b/include/linux/i2c/s6000.h
deleted file mode 100644
index d9b34bfdae7..00000000000
--- a/include/linux/i2c/s6000.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef __LINUX_I2C_S6000_H
-#define __LINUX_I2C_S6000_H
-
-struct s6_i2c_platform_data {
- const char *clock; /* the clock to use */
- int bus_num; /* the bus number to register */
-};
-
-#endif
-
diff --git a/include/linux/mount.h b/include/linux/mount.h
index 839bac27090..b0c1e6574e7 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -42,13 +42,20 @@ struct mnt_namespace;
* flag, consider how it interacts with shared mounts.
*/
#define MNT_SHARED_MASK (MNT_UNBINDABLE)
-#define MNT_PROPAGATION_MASK (MNT_SHARED | MNT_UNBINDABLE)
+#define MNT_USER_SETTABLE_MASK (MNT_NOSUID | MNT_NODEV | MNT_NOEXEC \
+ | MNT_NOATIME | MNT_NODIRATIME | MNT_RELATIME \
+ | MNT_READONLY)
+#define MNT_ATIME_MASK (MNT_NOATIME | MNT_NODIRATIME | MNT_RELATIME )
#define MNT_INTERNAL_FLAGS (MNT_SHARED | MNT_WRITE_HOLD | MNT_INTERNAL | \
MNT_DOOMED | MNT_SYNC_UMOUNT | MNT_MARKED)
#define MNT_INTERNAL 0x4000
+#define MNT_LOCK_ATIME 0x040000
+#define MNT_LOCK_NOEXEC 0x080000
+#define MNT_LOCK_NOSUID 0x100000
+#define MNT_LOCK_NODEV 0x200000
#define MNT_LOCK_READONLY 0x400000
#define MNT_LOCKED 0x800000
#define MNT_DOOMED 0x1000000
diff --git a/include/linux/nsproxy.h b/include/linux/nsproxy.h
index b4ec59d159a..35fa08fd773 100644
--- a/include/linux/nsproxy.h
+++ b/include/linux/nsproxy.h
@@ -40,32 +40,28 @@ extern struct nsproxy init_nsproxy;
* the namespaces access rules are:
*
* 1. only current task is allowed to change tsk->nsproxy pointer or
- * any pointer on the nsproxy itself
+ * any pointer on the nsproxy itself. Current must hold the task_lock
+ * when changing tsk->nsproxy.
*
* 2. when accessing (i.e. reading) current task's namespaces - no
* precautions should be taken - just dereference the pointers
*
* 3. the access to other task namespaces is performed like this
- * rcu_read_lock();
- * nsproxy = task_nsproxy(tsk);
+ * task_lock(task);
+ * nsproxy = task->nsproxy;
* if (nsproxy != NULL) {
* / *
* * work with the namespaces here
* * e.g. get the reference on one of them
* * /
* } / *
- * * NULL task_nsproxy() means that this task is
+ * * NULL task->nsproxy means that this task is
* * almost dead (zombie)
* * /
- * rcu_read_unlock();
+ * task_unlock(task);
*
*/
-static inline struct nsproxy *task_nsproxy(struct task_struct *tsk)
-{
- return rcu_dereference(tsk->nsproxy);
-}
-
int copy_namespaces(unsigned long flags, struct task_struct *tsk);
void exit_task_namespaces(struct task_struct *tsk);
void switch_task_namespaces(struct task_struct *tsk, struct nsproxy *new);
diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h
index 7246ef3d445..1997ffc295a 100644
--- a/include/linux/pid_namespace.h
+++ b/include/linux/pid_namespace.h
@@ -33,6 +33,7 @@ struct pid_namespace {
#ifdef CONFIG_PROC_FS
struct vfsmount *proc_mnt;
struct dentry *proc_self;
+ struct dentry *proc_thread_self;
#endif
#ifdef CONFIG_BSD_PROCESS_ACCT
struct bsd_acct_struct *bacct;
diff --git a/include/linux/sched.h b/include/linux/sched.h
index db2f6474e95..857ba40426b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2360,8 +2360,10 @@ static inline int on_sig_stack(unsigned long sp)
static inline int sas_ss_flags(unsigned long sp)
{
- return (current->sas_ss_size == 0 ? SS_DISABLE
- : on_sig_stack(sp) ? SS_ONSTACK : 0);
+ if (!current->sas_ss_size)
+ return SS_DISABLE;
+
+ return on_sig_stack(sp) ? SS_ONSTACK : 0;
}
static inline unsigned long sigsp(unsigned long sp, struct ksignal *ksig)
diff --git a/include/linux/signal.h b/include/linux/signal.h
index c9e65360c49..750196fcc0a 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -280,9 +280,8 @@ struct ksignal {
int sig;
};
-extern int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, struct pt_regs *regs, void *cookie);
+extern int get_signal(struct ksignal *ksig);
extern void signal_setup_done(int failed, struct ksignal *ksig, int stepping);
-extern void signal_delivered(int sig, siginfo_t *info, struct k_sigaction *ka, struct pt_regs *regs, int stepping);
extern void exit_signals(struct task_struct *tsk);
extern void kernel_sigaction(int, __sighandler_t);
@@ -301,18 +300,6 @@ static inline void disallow_signal(int sig)
kernel_sigaction(sig, SIG_IGN);
}
-/*
- * Eventually that'll replace get_signal_to_deliver(); macro for now,
- * to avoid nastiness with include order.
- */
-#define get_signal(ksig) \
-({ \
- struct ksignal *p = (ksig); \
- p->sig = get_signal_to_deliver(&p->info, &p->ka, \
- signal_pt_regs(), NULL);\
- p->sig > 0; \
-})
-
extern struct kmem_cache *sighand_cachep;
int unhandled_signal(struct task_struct *tsk, int sig);
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 1bc7cd05b22..cf61ecd148e 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -236,7 +236,7 @@ struct svc_rqst {
struct svc_cred rq_cred; /* auth info */
void * rq_xprt_ctxt; /* transport specific context ptr */
struct svc_deferred_req*rq_deferred; /* deferred request we are replaying */
- int rq_usedeferral; /* use deferral */
+ bool rq_usedeferral; /* use deferral */
size_t rq_xprt_hlen; /* xprt header len */
struct xdr_buf rq_arg;
@@ -277,7 +277,7 @@ struct svc_rqst {
struct auth_domain * rq_gssclient; /* "gss/"-style peer info */
int rq_cachetype;
struct svc_cacherep * rq_cacherep; /* cache info */
- int rq_splice_ok; /* turned off in gss privacy
+ bool rq_splice_ok; /* turned off in gss privacy
* to prevent encrypting page
* cache pages */
wait_queue_head_t rq_wait; /* synchronization */
diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
index 5cf99a01636..975da754c77 100644
--- a/include/linux/sunrpc/svc_rdma.h
+++ b/include/linux/sunrpc/svc_rdma.h
@@ -174,8 +174,7 @@ struct svcxprt_rdma {
* page size of 4k, or 32k * 2 ops / 4k = 16 outstanding RDMA_READ. */
#define RPCRDMA_ORD (64/4)
#define RPCRDMA_SQ_DEPTH_MULT 8
-#define RPCRDMA_MAX_THREADS 16
-#define RPCRDMA_MAX_REQUESTS 16
+#define RPCRDMA_MAX_REQUESTS 32
#define RPCRDMA_MAX_REQ_SIZE 4096
/* svc_rdma_marshal.c */
diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h
index 7235040a19b..ce6e4182a5b 100644
--- a/include/linux/sunrpc/svc_xprt.h
+++ b/include/linux/sunrpc/svc_xprt.h
@@ -25,6 +25,7 @@ struct svc_xprt_ops {
void (*xpo_detach)(struct svc_xprt *);
void (*xpo_free)(struct svc_xprt *);
int (*xpo_secure_port)(struct svc_rqst *);
+ void (*xpo_adjust_wspace)(struct svc_xprt *);
};
struct svc_xprt_class {
@@ -33,6 +34,7 @@ struct svc_xprt_class {
struct svc_xprt_ops *xcl_ops;
struct list_head xcl_list;
u32 xcl_max_payload;
+ int xcl_ident;
};
/*
diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h
index 6f8ab7da27c..84d497297c5 100644
--- a/include/linux/tracehook.h
+++ b/include/linux/tracehook.h
@@ -133,10 +133,6 @@ static inline void tracehook_report_syscall_exit(struct pt_regs *regs, int step)
/**
* tracehook_signal_handler - signal handler setup is complete
- * @sig: number of signal being delivered
- * @info: siginfo_t of signal being delivered
- * @ka: sigaction setting that chose the handler
- * @regs: user register state
* @stepping: nonzero if debugger single-step or block-step in use
*
* Called by the arch code after a signal handler has been set up.
@@ -146,9 +142,7 @@ static inline void tracehook_report_syscall_exit(struct pt_regs *regs, int step)
* Called without locks, shortly before returning to user mode
* (or handling more signals).
*/
-static inline void tracehook_signal_handler(int sig, siginfo_t *info,
- const struct k_sigaction *ka,
- struct pt_regs *regs, int stepping)
+static inline void tracehook_signal_handler(int stepping)
{
if (stepping)
ptrace_notify(SIGTRAP);
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index 2e2a5f7717e..b1293f15f59 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -249,6 +249,50 @@ extern void syscall_unregfunc(void);
#endif /* CONFIG_TRACEPOINTS */
+#ifdef CONFIG_TRACING
+/**
+ * tracepoint_string - register constant persistent string to trace system
+ * @str - a constant persistent string that will be referenced in tracepoints
+ *
+ * If constant strings are being used in tracepoints, it is faster and
+ * more efficient to just save the pointer to the string and reference
+ * that with a printf "%s" instead of saving the string in the ring buffer
+ * and wasting space and time.
+ *
+ * The problem with the above approach is that userspace tools that read
+ * the binary output of the trace buffers do not have access to the string.
+ * Instead they just show the address of the string which is not very
+ * useful to users.
+ *
+ * With tracepoint_string(), the string will be registered to the tracing
+ * system and exported to userspace via the debugfs/tracing/printk_formats
+ * file that maps the string address to the string text. This way userspace
+ * tools that read the binary buffers have a way to map the pointers to
+ * the ASCII strings they represent.
+ *
+ * The @str used must be a constant string and persistent as it would not
+ * make sense to show a string that no longer exists. But it is still fine
+ * to be used with modules, because when modules are unloaded, if they
+ * had tracepoints, the ring buffers are cleared too. As long as the string
+ * does not change during the life of the module, it is fine to use
+ * tracepoint_string() within a module.
+ */
+#define tracepoint_string(str) \
+ ({ \
+ static const char *___tp_str __tracepoint_string = str; \
+ ___tp_str; \
+ })
+#define __tracepoint_string __attribute__((section("__tracepoint_str")))
+#else
+/*
+ * tracepoint_string() is used to save the string address for userspace
+ * tracing tools. When tracing isn't configured, there's no need to save
+ * anything.
+ */
+# define tracepoint_string(str) str
+# define __tracepoint_string
+#endif
+
/*
* The need for the DECLARE_TRACE_NOARGS() is to handle the prototype
* (void). "void" is a special value in a function prototype and can