summaryrefslogtreecommitdiffstats
path: root/Documentation
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/opp/opp.txt44
-rw-r--r--Documentation/filesystems/Locking3
-rw-r--r--Documentation/filesystems/f2fs.txt7
-rw-r--r--Documentation/filesystems/vfs.txt3
-rw-r--r--Documentation/power/pm_qos_interface.txt13
-rw-r--r--Documentation/power/runtime_pm.txt6
-rw-r--r--Documentation/security/keys.txt17
7 files changed, 50 insertions, 43 deletions
diff --git a/Documentation/devicetree/bindings/opp/opp.txt b/Documentation/devicetree/bindings/opp/opp.txt
index ecdcfb790704..63725498bd20 100644
--- a/Documentation/devicetree/bindings/opp/opp.txt
+++ b/Documentation/devicetree/bindings/opp/opp.txt
@@ -188,14 +188,14 @@ Example 1: Single cluster Dual-core ARM cortex A9, switch DVFS states together.
opp@1000000000 {
opp-hz = /bits/ 64 <1000000000>;
- opp-microvolt = <970000 975000 985000>;
+ opp-microvolt = <975000 970000 985000>;
opp-microamp = <70000>;
clock-latency-ns = <300000>;
opp-suspend;
};
opp@1100000000 {
opp-hz = /bits/ 64 <1100000000>;
- opp-microvolt = <980000 1000000 1010000>;
+ opp-microvolt = <1000000 980000 1010000>;
opp-microamp = <80000>;
clock-latency-ns = <310000>;
};
@@ -267,14 +267,14 @@ independently.
opp@1000000000 {
opp-hz = /bits/ 64 <1000000000>;
- opp-microvolt = <970000 975000 985000>;
+ opp-microvolt = <975000 970000 985000>;
opp-microamp = <70000>;
clock-latency-ns = <300000>;
opp-suspend;
};
opp@1100000000 {
opp-hz = /bits/ 64 <1100000000>;
- opp-microvolt = <980000 1000000 1010000>;
+ opp-microvolt = <1000000 980000 1010000>;
opp-microamp = <80000>;
clock-latency-ns = <310000>;
};
@@ -343,14 +343,14 @@ DVFS state together.
opp@1000000000 {
opp-hz = /bits/ 64 <1000000000>;
- opp-microvolt = <970000 975000 985000>;
+ opp-microvolt = <975000 970000 985000>;
opp-microamp = <70000>;
clock-latency-ns = <300000>;
opp-suspend;
};
opp@1100000000 {
opp-hz = /bits/ 64 <1100000000>;
- opp-microvolt = <980000 1000000 1010000>;
+ opp-microvolt = <1000000 980000 1010000>;
opp-microamp = <80000>;
clock-latency-ns = <310000>;
};
@@ -369,7 +369,7 @@ DVFS state together.
opp@1300000000 {
opp-hz = /bits/ 64 <1300000000>;
- opp-microvolt = <1045000 1050000 1055000>;
+ opp-microvolt = <1050000 1045000 1055000>;
opp-microamp = <95000>;
clock-latency-ns = <400000>;
opp-suspend;
@@ -382,7 +382,7 @@ DVFS state together.
};
opp@1500000000 {
opp-hz = /bits/ 64 <1500000000>;
- opp-microvolt = <1010000 1100000 1110000>;
+ opp-microvolt = <1100000 1010000 1110000>;
opp-microamp = <95000>;
clock-latency-ns = <400000>;
turbo-mode;
@@ -424,9 +424,9 @@ Example 4: Handling multiple regulators
opp@1000000000 {
opp-hz = /bits/ 64 <1000000000>;
- opp-microvolt = <970000 975000 985000>, /* Supply 0 */
- <960000 965000 975000>, /* Supply 1 */
- <960000 965000 975000>; /* Supply 2 */
+ opp-microvolt = <975000 970000 985000>, /* Supply 0 */
+ <965000 960000 975000>, /* Supply 1 */
+ <965000 960000 975000>; /* Supply 2 */
opp-microamp = <70000>, /* Supply 0 */
<70000>, /* Supply 1 */
<70000>; /* Supply 2 */
@@ -437,9 +437,9 @@ Example 4: Handling multiple regulators
opp@1000000000 {
opp-hz = /bits/ 64 <1000000000>;
- opp-microvolt = <970000 975000 985000>, /* Supply 0 */
- <960000 965000 975000>, /* Supply 1 */
- <960000 965000 975000>; /* Supply 2 */
+ opp-microvolt = <975000 970000 985000>, /* Supply 0 */
+ <965000 960000 975000>, /* Supply 1 */
+ <965000 960000 975000>; /* Supply 2 */
opp-microamp = <70000>, /* Supply 0 */
<0>, /* Supply 1 doesn't need this */
<70000>; /* Supply 2 */
@@ -474,7 +474,7 @@ Example 5: opp-supported-hw
*/
opp-supported-hw = <0xF 0xFFFFFFFF 0xFFFFFFFF>
opp-hz = /bits/ 64 <600000000>;
- opp-microvolt = <900000 915000 925000>;
+ opp-microvolt = <915000 900000 925000>;
...
};
@@ -487,7 +487,7 @@ Example 5: opp-supported-hw
*/
opp-supported-hw = <0x20 0xff0000ff 0x0000f4f0>
opp-hz = /bits/ 64 <800000000>;
- opp-microvolt = <900000 915000 925000>;
+ opp-microvolt = <915000 900000 925000>;
...
};
};
@@ -512,18 +512,18 @@ Example 6: opp-microvolt-<name>, opp-microamp-<name>:
opp@1000000000 {
opp-hz = /bits/ 64 <1000000000>;
- opp-microvolt-slow = <900000 915000 925000>;
- opp-microvolt-fast = <970000 975000 985000>;
+ opp-microvolt-slow = <915000 900000 925000>;
+ opp-microvolt-fast = <975000 970000 985000>;
opp-microamp-slow = <70000>;
opp-microamp-fast = <71000>;
};
opp@1200000000 {
opp-hz = /bits/ 64 <1200000000>;
- opp-microvolt-slow = <900000 915000 925000>, /* Supply vcc0 */
- <910000 925000 935000>; /* Supply vcc1 */
- opp-microvolt-fast = <970000 975000 985000>, /* Supply vcc0 */
- <960000 965000 975000>; /* Supply vcc1 */
+ opp-microvolt-slow = <915000 900000 925000>, /* Supply vcc0 */
+ <925000 910000 935000>; /* Supply vcc1 */
+ opp-microvolt-fast = <975000 970000 985000>, /* Supply vcc0 */
+ <965000 960000 975000>; /* Supply vcc1 */
opp-microamp = <70000>; /* Will be used for both slow/fast */
};
};
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index ace63cd7af8c..fdcfdd79682a 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -58,7 +58,8 @@ prototypes:
int (*permission) (struct inode *, int, unsigned int);
int (*get_acl)(struct inode *, int);
int (*setattr) (struct dentry *, struct iattr *);
- int (*getattr) (struct vfsmount *, struct dentry *, struct kstat *);
+ int (*getattr) (const struct path *, struct dentry *, struct kstat *,
+ u32, unsigned int);
ssize_t (*listxattr) (struct dentry *, char *, size_t);
int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start, u64 len);
void (*update_time)(struct inode *, struct timespec *, int);
diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt
index 753dd4f96afe..4f6531a4701b 100644
--- a/Documentation/filesystems/f2fs.txt
+++ b/Documentation/filesystems/f2fs.txt
@@ -125,13 +125,14 @@ active_logs=%u Support configuring the number of active logs. In the
disable_ext_identify Disable the extension list configured by mkfs, so f2fs
does not aware of cold files such as media files.
inline_xattr Enable the inline xattrs feature.
+noinline_xattr Disable the inline xattrs feature.
inline_data Enable the inline data feature: New created small(<~3.4k)
files can be written into inode block.
inline_dentry Enable the inline dir feature: data in new created
directory entries can be written into inode block. The
space of inode block which is used to store inline
dentries is limited to ~3.4k.
-noinline_dentry Diable the inline dentry feature.
+noinline_dentry Disable the inline dentry feature.
flush_merge Merge concurrent cache_flush commands as much as possible
to eliminate redundant command issues. If the underlying
device handles the cache_flush command relatively slowly,
@@ -157,6 +158,8 @@ data_flush Enable data flushing before checkpoint in order to
mode=%s Control block allocation mode which supports "adaptive"
and "lfs". In "lfs" mode, there should be no random
writes towards main area.
+io_bits=%u Set the bit size of write IO requests. It should be set
+ with "mode=lfs".
================================================================================
DEBUGFS ENTRIES
@@ -174,7 +177,7 @@ f2fs. Each file shows the whole f2fs information.
SYSFS ENTRIES
================================================================================
-Information about mounted f2f2 file systems can be found in
+Information about mounted f2fs file systems can be found in
/sys/fs/f2fs. Each mounted filesystem will have a directory in
/sys/fs/f2fs based on its device name (i.e., /sys/fs/f2fs/sda).
The files in each per-device directory are shown in table below.
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index b968084eeac1..569211703721 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -382,7 +382,8 @@ struct inode_operations {
int (*permission) (struct inode *, int);
int (*get_acl)(struct inode *, int);
int (*setattr) (struct dentry *, struct iattr *);
- int (*getattr) (struct vfsmount *mnt, struct dentry *, struct kstat *);
+ int (*getattr) (const struct path *, struct dentry *, struct kstat *,
+ u32, unsigned int);
ssize_t (*listxattr) (struct dentry *, char *, size_t);
void (*update_time)(struct inode *, struct timespec *, int);
int (*atomic_open)(struct inode *, struct dentry *, struct file *,
diff --git a/Documentation/power/pm_qos_interface.txt b/Documentation/power/pm_qos_interface.txt
index 129f7c0e1483..21d2d48f87a2 100644
--- a/Documentation/power/pm_qos_interface.txt
+++ b/Documentation/power/pm_qos_interface.txt
@@ -163,8 +163,7 @@ of flags and remove sysfs attributes pm_qos_no_power_off and pm_qos_remote_wakeu
under the device's power directory.
Notification mechanisms:
-The per-device PM QoS framework has 2 different and distinct notification trees:
-a per-device notification tree and a global notification tree.
+The per-device PM QoS framework has a per-device notification tree.
int dev_pm_qos_add_notifier(device, notifier):
Adds a notification callback function for the device.
@@ -174,16 +173,6 @@ is changed (for resume latency device PM QoS only).
int dev_pm_qos_remove_notifier(device, notifier):
Removes the notification callback function for the device.
-int dev_pm_qos_add_global_notifier(notifier):
-Adds a notification callback function in the global notification tree of the
-framework.
-The callback is called when the aggregated value for any device is changed
-(for resume latency device PM QoS only).
-
-int dev_pm_qos_remove_global_notifier(notifier):
-Removes the notification callback function from the global notification tree
-of the framework.
-
Active state latency tolerance
diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt
index 4870980e967e..64546eb9a16a 100644
--- a/Documentation/power/runtime_pm.txt
+++ b/Documentation/power/runtime_pm.txt
@@ -100,7 +100,7 @@ knows what to do to handle the device).
* If the suspend callback returns an error code different from -EBUSY and
-EAGAIN, the PM core regards this as a fatal error and will refuse to run
the helper functions described in Section 4 for the device until its status
- is directly set to either'active', or 'suspended' (the PM core provides
+ is directly set to either 'active', or 'suspended' (the PM core provides
special helper functions for this purpose).
In particular, if the driver requires remote wakeup capability (i.e. hardware
@@ -217,7 +217,7 @@ defined in include/linux/pm.h:
one to complete
spinlock_t lock;
- - lock used for synchronisation
+ - lock used for synchronization
atomic_t usage_count;
- the usage counter of the device
@@ -565,7 +565,7 @@ appropriate to ensure that the device is not put back to sleep during the
probe. This can happen with systems such as the network device layer.
It may be desirable to suspend the device once ->probe() has finished.
-Therefore the driver core uses the asyncronous pm_request_idle() to submit a
+Therefore the driver core uses the asynchronous pm_request_idle() to submit a
request to execute the subsystem-level idle callback for the device at that
time. A driver that makes use of the runtime autosuspend feature, may want to
update the last busy mark before returning from ->probe().
diff --git a/Documentation/security/keys.txt b/Documentation/security/keys.txt
index 3849814bfe6d..0e03baf271bd 100644
--- a/Documentation/security/keys.txt
+++ b/Documentation/security/keys.txt
@@ -1151,8 +1151,21 @@ access the data:
usage. This is called key->payload.rcu_data0. The following accessors
wrap the RCU calls to this element:
- rcu_assign_keypointer(struct key *key, void *data);
- void *rcu_dereference_key(struct key *key);
+ (a) Set or change the first payload pointer:
+
+ rcu_assign_keypointer(struct key *key, void *data);
+
+ (b) Read the first payload pointer with the key semaphore held:
+
+ [const] void *dereference_key_locked([const] struct key *key);
+
+ Note that the return value will inherit its constness from the key
+ parameter. Static analysis will give an error if it things the lock
+ isn't held.
+
+ (c) Read the first payload pointer with the RCU read lock held:
+
+ const void *dereference_key_rcu(const struct key *key);
===================