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---
r: 182601
b: refs/heads/master
c: b76365a
h: refs/heads/master
i:
  182599: 859570e
v: v3
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Russ Anderson authored and H. Peter Anvin committed Dec 17, 2009
1 parent 7b97793 commit 372642a
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2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 6f5621cb160fada5bc52c2961ddc86e69e478912
refs/heads/master: b76365a18f7593c9df32a74bf2b4a39741b67bc6
1 change: 0 additions & 1 deletion trunk/.gitignore
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Expand Up @@ -37,7 +37,6 @@ modules.builtin
tags
TAGS
vmlinux
vmlinuz
System.map
Module.markers
Module.symvers
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12 changes: 6 additions & 6 deletions trunk/Documentation/ABI/testing/ima_policy
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Expand Up @@ -20,7 +20,7 @@ Description:
lsm: [[subj_user=] [subj_role=] [subj_type=]
[obj_user=] [obj_role=] [obj_type=]]

base: func:= [BPRM_CHECK][FILE_MMAP][FILE_CHECK]
base: func:= [BPRM_CHECK][FILE_MMAP][INODE_PERMISSION]
mask:= [MAY_READ] [MAY_WRITE] [MAY_APPEND] [MAY_EXEC]
fsmagic:= hex value
uid:= decimal value
Expand All @@ -40,11 +40,11 @@ Description:

measure func=BPRM_CHECK
measure func=FILE_MMAP mask=MAY_EXEC
measure func=FILE_CHECK mask=MAY_READ uid=0
measure func=INODE_PERM mask=MAY_READ uid=0

The default policy measures all executables in bprm_check,
all files mmapped executable in file_mmap, and all files
open for read by root in do_filp_open.
open for read by root in inode_permission.

Examples of LSM specific definitions:

Expand All @@ -54,8 +54,8 @@ Description:

dont_measure obj_type=var_log_t
dont_measure obj_type=auditd_log_t
measure subj_user=system_u func=FILE_CHECK mask=MAY_READ
measure subj_role=system_r func=FILE_CHECK mask=MAY_READ
measure subj_user=system_u func=INODE_PERM mask=MAY_READ
measure subj_role=system_r func=INODE_PERM mask=MAY_READ

Smack:
measure subj_user=_ func=FILE_CHECK mask=MAY_READ
measure subj_user=_ func=INODE_PERM mask=MAY_READ
18 changes: 8 additions & 10 deletions trunk/Documentation/ABI/testing/sysfs-bus-usb
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Expand Up @@ -21,27 +21,25 @@ Contact: Alan Stern <stern@rowland.harvard.edu>
Description:
Each USB device directory will contain a file named
power/level. This file holds a power-level setting for
the device, either "on" or "auto".
the device, one of "on", "auto", or "suspend".

"on" means that the device is not allowed to autosuspend,
although normal suspends for system sleep will still
be honored. "auto" means the device will autosuspend
and autoresume in the usual manner, according to the
capabilities of its driver.
capabilities of its driver. "suspend" means the device
is forced into a suspended state and it will not autoresume
in response to I/O requests. However remote-wakeup requests
from the device may still be enabled (the remote-wakeup
setting is controlled separately by the power/wakeup
attribute).

During normal use, devices should be left in the "auto"
level. The "on" level is meant for administrative uses.
level. The other levels are meant for administrative uses.
If you want to suspend a device immediately but leave it
free to wake up in response to I/O requests, you should
write "0" to power/autosuspend.

Device not capable of proper suspend and resume should be
left in the "on" level. Although the USB spec requires
devices to support suspend/resume, many of them do not.
In fact so many don't that by default, the USB core
initializes all non-hub devices in the "on" level. Some
drivers may change this setting when they are bound.

What: /sys/bus/usb/devices/.../power/persist
Date: May 2007
KernelVersion: 2.6.23
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79 changes: 0 additions & 79 deletions trunk/Documentation/ABI/testing/sysfs-devices-power
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13 changes: 0 additions & 13 deletions trunk/Documentation/ABI/testing/sysfs-power
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Expand Up @@ -101,16 +101,3 @@ Description:

CAUTION: Using it will cause your machine's real-time (CMOS)
clock to be set to a random invalid time after a resume.

What: /sys/power/pm_async
Date: January 2009
Contact: Rafael J. Wysocki <rjw@sisk.pl>
Description:
The /sys/power/pm_async file controls the switch allowing the
user space to enable or disable asynchronous suspend and resume
of devices. If enabled, this feature will cause some device
drivers' suspend and resume callbacks to be executed in parallel
with each other and with the main suspend thread. It is enabled
if this file contains "1", which is the default. It may be
disabled by writing "0" to this file, in which case all devices
will be suspended and resumed synchronously.
0 trunk/Documentation/PCI/PCI-DMA-mapping.txt → trunk/Documentation/DMA-mapping.txt
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12 changes: 6 additions & 6 deletions trunk/Documentation/DocBook/mtdnand.tmpl
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Expand Up @@ -174,15 +174,15 @@
</para>
<programlisting>
static struct mtd_info *board_mtd;
static void __iomem *baseaddr;
static unsigned long baseaddr;
</programlisting>
<para>
Static example
</para>
<programlisting>
static struct mtd_info board_mtd;
static struct nand_chip board_chip;
static void __iomem *baseaddr;
static unsigned long baseaddr;
</programlisting>
</sect1>
<sect1 id="Partition_defines">
Expand Down Expand Up @@ -283,8 +283,8 @@ int __init board_init (void)
}

/* map physical address */
baseaddr = ioremap(CHIP_PHYSICAL_ADDRESS, 1024);
if (!baseaddr) {
baseaddr = (unsigned long)ioremap(CHIP_PHYSICAL_ADDRESS, 1024);
if(!baseaddr){
printk("Ioremap to access NAND chip failed\n");
err = -EIO;
goto out_mtd;
Expand Down Expand Up @@ -316,7 +316,7 @@ int __init board_init (void)
goto out;

out_ior:
iounmap(baseaddr);
iounmap((void *)baseaddr);
out_mtd:
kfree (board_mtd);
out:
Expand All @@ -341,7 +341,7 @@ static void __exit board_cleanup (void)
nand_release (board_mtd);

/* unmap physical address */
iounmap(baseaddr);
iounmap((void *)baseaddr);

/* Free the MTD device structure */
kfree (board_mtd);
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3 changes: 1 addition & 2 deletions trunk/Documentation/DocBook/v4l/io.xml
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Expand Up @@ -589,8 +589,7 @@ number of a video input as in &v4l2-input; field
<entry></entry>
<entry>A place holder for future extensions and custom
(driver defined) buffer types
<constant>V4L2_BUF_TYPE_PRIVATE</constant> and higher. Applications
should set this to 0.</entry>
<constant>V4L2_BUF_TYPE_PRIVATE</constant> and higher.</entry>
</row>
</tbody>
</tgroup>
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40 changes: 17 additions & 23 deletions trunk/Documentation/DocBook/v4l/vidioc-qbuf.xml
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Expand Up @@ -54,10 +54,12 @@ to enqueue an empty (capturing) or filled (output) buffer in the
driver's incoming queue. The semantics depend on the selected I/O
method.</para>

<para>To enqueue a buffer applications set the <structfield>type</structfield>
field of a &v4l2-buffer; to the same buffer type as was previously used
with &v4l2-format; <structfield>type</structfield> and &v4l2-requestbuffers;
<structfield>type</structfield>. Applications must also set the
<para>To enqueue a <link linkend="mmap">memory mapped</link>
buffer applications set the <structfield>type</structfield> field of a
&v4l2-buffer; to the same buffer type as previously &v4l2-format;
<structfield>type</structfield> and &v4l2-requestbuffers;
<structfield>type</structfield>, the <structfield>memory</structfield>
field to <constant>V4L2_MEMORY_MMAP</constant> and the
<structfield>index</structfield> field. Valid index numbers range from
zero to the number of buffers allocated with &VIDIOC-REQBUFS;
(&v4l2-requestbuffers; <structfield>count</structfield>) minus one. The
Expand All @@ -68,19 +70,8 @@ intended for output (<structfield>type</structfield> is
<constant>V4L2_BUF_TYPE_VBI_OUTPUT</constant>) applications must also
initialize the <structfield>bytesused</structfield>,
<structfield>field</structfield> and
<structfield>timestamp</structfield> fields, see <xref
linkend="buffer" /> for details.
Applications must also set <structfield>flags</structfield> to 0. If a driver
supports capturing from specific video inputs and you want to specify a video
input, then <structfield>flags</structfield> should be set to
<constant>V4L2_BUF_FLAG_INPUT</constant> and the field
<structfield>input</structfield> must be initialized to the desired input.
The <structfield>reserved</structfield> field must be set to 0.
</para>

<para>To enqueue a <link linkend="mmap">memory mapped</link>
buffer applications set the <structfield>memory</structfield>
field to <constant>V4L2_MEMORY_MMAP</constant>. When
<structfield>timestamp</structfield> fields. See <xref
linkend="buffer" /> for details. When
<constant>VIDIOC_QBUF</constant> is called with a pointer to this
structure the driver sets the
<constant>V4L2_BUF_FLAG_MAPPED</constant> and
Expand All @@ -90,25 +81,28 @@ structure the driver sets the
&EINVAL;.</para>

<para>To enqueue a <link linkend="userp">user pointer</link>
buffer applications set the <structfield>memory</structfield>
field to <constant>V4L2_MEMORY_USERPTR</constant>, the
buffer applications set the <structfield>type</structfield> field of a
&v4l2-buffer; to the same buffer type as previously &v4l2-format;
<structfield>type</structfield> and &v4l2-requestbuffers;
<structfield>type</structfield>, the <structfield>memory</structfield>
field to <constant>V4L2_MEMORY_USERPTR</constant> and the
<structfield>m.userptr</structfield> field to the address of the
buffer and <structfield>length</structfield> to its size.
buffer and <structfield>length</structfield> to its size. When the
buffer is intended for output additional fields must be set as above.
When <constant>VIDIOC_QBUF</constant> is called with a pointer to this
structure the driver sets the <constant>V4L2_BUF_FLAG_QUEUED</constant>
flag and clears the <constant>V4L2_BUF_FLAG_MAPPED</constant> and
<constant>V4L2_BUF_FLAG_DONE</constant> flags in the
<structfield>flags</structfield> field, or it returns an error code.
This ioctl locks the memory pages of the buffer in physical memory,
they cannot be swapped out to disk. Buffers remain locked until
dequeued, until the &VIDIOC-STREAMOFF; or &VIDIOC-REQBUFS; ioctl is
dequeued, until the &VIDIOC-STREAMOFF; or &VIDIOC-REQBUFS; ioctl are
called, or until the device is closed.</para>

<para>Applications call the <constant>VIDIOC_DQBUF</constant>
ioctl to dequeue a filled (capturing) or displayed (output) buffer
from the driver's outgoing queue. They just set the
<structfield>type</structfield>, <structfield>memory</structfield>
and <structfield>reserved</structfield>
<structfield>type</structfield> and <structfield>memory</structfield>
fields of a &v4l2-buffer; as above, when <constant>VIDIOC_DQBUF</constant>
is called with a pointer to this structure the driver fills the
remaining fields or returns an error code.</para>
Expand Down
7 changes: 3 additions & 4 deletions trunk/Documentation/DocBook/v4l/vidioc-querybuf.xml
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Expand Up @@ -54,13 +54,12 @@ buffer at any time after buffers have been allocated with the
&VIDIOC-REQBUFS; ioctl.</para>

<para>Applications set the <structfield>type</structfield> field
of a &v4l2-buffer; to the same buffer type as was previously used with
of a &v4l2-buffer; to the same buffer type as previously
&v4l2-format; <structfield>type</structfield> and &v4l2-requestbuffers;
<structfield>type</structfield>, and the <structfield>index</structfield>
field. Valid index numbers range from zero
to the number of buffers allocated with &VIDIOC-REQBUFS;
(&v4l2-requestbuffers; <structfield>count</structfield>) minus one.
The <structfield>reserved</structfield> field should to set to 0.
After calling <constant>VIDIOC_QUERYBUF</constant> with a pointer to
this structure drivers return an error code or fill the rest of
the structure.</para>
Expand All @@ -69,8 +68,8 @@ the structure.</para>
<constant>V4L2_BUF_FLAG_MAPPED</constant>,
<constant>V4L2_BUF_FLAG_QUEUED</constant> and
<constant>V4L2_BUF_FLAG_DONE</constant> flags will be valid. The
<structfield>memory</structfield> field will be set to the current
I/O method, the <structfield>m.offset</structfield>
<structfield>memory</structfield> field will be set to
<constant>V4L2_MEMORY_MMAP</constant>, the <structfield>m.offset</structfield>
contains the offset of the buffer from the start of the device memory,
the <structfield>length</structfield> field its size. The driver may
or may not set the remaining fields and flags, they are meaningless in
Expand Down
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