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r: 112633
b: refs/heads/master
c: 1ba8938
h: refs/heads/master
i:
  112631: 71f4b2e
v: v3
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Ingo Molnar committed Jul 12, 2008
1 parent 4311dbf commit 291be7c
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 29308333fbe2cc61258c1c470f9403960428beb2
refs/heads/master: 1ba89386db0a3f39590b90b5dd20d7149ae52de0
11 changes: 2 additions & 9 deletions trunk/CREDITS
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Expand Up @@ -317,14 +317,6 @@ S: 2322 37th Ave SW
S: Seattle, Washington 98126-2010
S: USA

N: Muli Ben-Yehuda
E: mulix@mulix.org
E: muli@il.ibm.com
W: http://www.mulix.org
D: trident OSS sound driver, x86-64 dma-ops and Calgary IOMMU,
D: KVM and Xen bits and other misc. hackery.
S: Haifa, Israel

N: Johannes Berg
E: johannes@sipsolutions.net
W: http://johannes.sipsolutions.net/
Expand Down Expand Up @@ -3352,7 +3344,8 @@ S: Spain
N: Linus Torvalds
E: torvalds@linux-foundation.org
D: Original kernel hacker
S: Portland, Oregon 97005
S: 12725 SW Millikan Way, Suite 400
S: Beaverton, Oregon 97005
S: USA

N: Marcelo Tosatti
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2 changes: 2 additions & 0 deletions trunk/Documentation/00-INDEX
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Expand Up @@ -361,6 +361,8 @@ telephony/
- directory with info on telephony (e.g. voice over IP) support.
time_interpolators.txt
- info on time interpolators.
tipar.txt
- information about Parallel link cable for Texas Instruments handhelds.
tty.txt
- guide to the locking policies of the tty layer.
uml/
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34 changes: 0 additions & 34 deletions trunk/Documentation/ABI/testing/sysfs-block
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Expand Up @@ -26,37 +26,3 @@ Description:
I/O statistics of partition <part>. The format is the
same as the above-written /sys/block/<disk>/stat
format.


What: /sys/block/<disk>/integrity/format
Date: June 2008
Contact: Martin K. Petersen <martin.petersen@oracle.com>
Description:
Metadata format for integrity capable block device.
E.g. T10-DIF-TYPE1-CRC.


What: /sys/block/<disk>/integrity/read_verify
Date: June 2008
Contact: Martin K. Petersen <martin.petersen@oracle.com>
Description:
Indicates whether the block layer should verify the
integrity of read requests serviced by devices that
support sending integrity metadata.


What: /sys/block/<disk>/integrity/tag_size
Date: June 2008
Contact: Martin K. Petersen <martin.petersen@oracle.com>
Description:
Number of bytes of integrity tag space available per
512 bytes of data.


What: /sys/block/<disk>/integrity/write_generate
Date: June 2008
Contact: Martin K. Petersen <martin.petersen@oracle.com>
Description:
Indicates whether the block layer should automatically
generate checksums for write requests bound for
devices that support receiving integrity metadata.
35 changes: 0 additions & 35 deletions trunk/Documentation/ABI/testing/sysfs-bus-css
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20 changes: 0 additions & 20 deletions trunk/Documentation/ABI/testing/sysfs-dev
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24 changes: 0 additions & 24 deletions trunk/Documentation/ABI/testing/sysfs-devices-memory
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127 changes: 40 additions & 87 deletions trunk/Documentation/ABI/testing/sysfs-firmware-acpi
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Expand Up @@ -29,46 +29,46 @@ Description:

$ cd /sys/firmware/acpi/interrupts
$ grep . *
error: 0
ff_gbl_lock: 0 enable
ff_pmtimer: 0 invalid
ff_pwr_btn: 0 enable
ff_rt_clk: 2 disable
ff_slp_btn: 0 invalid
gpe00: 0 invalid
gpe01: 0 enable
gpe02: 108 enable
gpe03: 0 invalid
gpe04: 0 invalid
gpe05: 0 invalid
gpe06: 0 enable
gpe07: 0 enable
gpe08: 0 invalid
gpe09: 0 invalid
gpe0A: 0 invalid
gpe0B: 0 invalid
gpe0C: 0 invalid
gpe0D: 0 invalid
gpe0E: 0 invalid
gpe0F: 0 invalid
gpe10: 0 invalid
gpe11: 0 invalid
gpe12: 0 invalid
gpe13: 0 invalid
gpe14: 0 invalid
gpe15: 0 invalid
gpe16: 0 invalid
gpe17: 1084 enable
gpe18: 0 enable
gpe19: 0 invalid
gpe1A: 0 invalid
gpe1B: 0 invalid
gpe1C: 0 invalid
gpe1D: 0 invalid
gpe1E: 0 invalid
gpe1F: 0 invalid
gpe_all: 1192
sci: 1194
error:0
ff_gbl_lock:0
ff_pmtimer:0
ff_pwr_btn:0
ff_rt_clk:0
ff_slp_btn:0
gpe00:0
gpe01:0
gpe02:0
gpe03:0
gpe04:0
gpe05:0
gpe06:0
gpe07:0
gpe08:0
gpe09:174
gpe0A:0
gpe0B:0
gpe0C:0
gpe0D:0
gpe0E:0
gpe0F:0
gpe10:0
gpe11:60
gpe12:0
gpe13:0
gpe14:0
gpe15:0
gpe16:0
gpe17:0
gpe18:0
gpe19:7
gpe1A:0
gpe1B:0
gpe1C:0
gpe1D:0
gpe1E:0
gpe1F:0
gpe_all:241
sci:241

sci - The total number of times the ACPI SCI
has claimed an interrupt.
Expand All @@ -89,13 +89,6 @@ Description:

error - an interrupt that can't be accounted for above.

invalid: it's either a wakeup GPE or a GPE/Fixed Event that
doesn't have an event handler.

disable: the GPE/Fixed Event is valid but disabled.

enable: the GPE/Fixed Event is valid and enabled.

Root has permission to clear any of these counters. Eg.
# echo 0 > gpe11

Expand All @@ -104,43 +97,3 @@ Description:

None of these counters has an effect on the function
of the system, they are simply statistics.

Besides this, user can also write specific strings to these files
to enable/disable/clear ACPI interrupts in user space, which can be
used to debug some ACPI interrupt storm issues.

Note that only writting to VALID GPE/Fixed Event is allowed,
i.e. user can only change the status of runtime GPE and
Fixed Event with event handler installed.

Let's take power button fixed event for example, please kill acpid
and other user space applications so that the machine won't shutdown
when pressing the power button.
# cat ff_pwr_btn
0
# press the power button for 3 times;
# cat ff_pwr_btn
3
# echo disable > ff_pwr_btn
# cat ff_pwr_btn
disable
# press the power button for 3 times;
# cat ff_pwr_btn
disable
# echo enable > ff_pwr_btn
# cat ff_pwr_btn
4
/*
* this is because the status bit is set even if the enable bit is cleared,
* and it triggers an ACPI fixed event when the enable bit is set again
*/
# press the power button for 3 times;
# cat ff_pwr_btn
7
# echo disable > ff_pwr_btn
# press the power button for 3 times;
# echo clear > ff_pwr_btn /* clear the status bit */
# echo disable > ff_pwr_btn
# cat ff_pwr_btn
7

6 changes: 0 additions & 6 deletions trunk/Documentation/ABI/testing/sysfs-kernel-mm
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42 changes: 19 additions & 23 deletions trunk/Documentation/CodingStyle
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Expand Up @@ -474,29 +474,25 @@ make a good program).
So, you can either get rid of GNU emacs, or change it to use saner
values. To do the latter, you can stick the following in your .emacs file:

(defun c-lineup-arglist-tabs-only (ignored)
"Line up argument lists by tabs, not spaces"
(let* ((anchor (c-langelem-pos c-syntactic-element))
(column (c-langelem-2nd-pos c-syntactic-element))
(offset (- (1+ column) anchor))
(steps (floor offset c-basic-offset)))
(* (max steps 1)
c-basic-offset)))

(add-hook 'c-mode-hook
(lambda ()
(let ((filename (buffer-file-name)))
;; Enable kernel mode for the appropriate files
(when (and filename
(string-match "~/src/linux-trees" filename))
(setq indent-tabs-mode t)
(c-set-style "linux")
(c-set-offset 'arglist-cont-nonempty
'(c-lineup-gcc-asm-reg
c-lineup-arglist-tabs-only))))))

This will make emacs go better with the kernel coding style for C
files below ~/src/linux-trees.
(defun linux-c-mode ()
"C mode with adjusted defaults for use with the Linux kernel."
(interactive)
(c-mode)
(c-set-style "K&R")
(setq tab-width 8)
(setq indent-tabs-mode t)
(setq c-basic-offset 8))

This will define the M-x linux-c-mode command. When hacking on a
module, if you put the string -*- linux-c -*- somewhere on the first
two lines, this mode will be automatically invoked. Also, you may want
to add

(setq auto-mode-alist (cons '("/usr/src/linux.*/.*\\.[ch]$" . linux-c-mode)
auto-mode-alist))

to your .emacs file if you want to have linux-c-mode switched on
automagically when you edit source files under /usr/src/linux.

But even if you fail in getting emacs to do sane formatting, not
everything is lost: use "indent".
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9 changes: 0 additions & 9 deletions trunk/Documentation/DMA-attributes.txt
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Expand Up @@ -22,12 +22,3 @@ ready and available in memory. The DMA of the "completion indication"
could race with data DMA. Mapping the memory used for completion
indications with DMA_ATTR_WRITE_BARRIER would prevent the race.

DMA_ATTR_WEAK_ORDERING
----------------------

DMA_ATTR_WEAK_ORDERING specifies that reads and writes to the mapping
may be weakly ordered, that is that reads and writes may pass each other.

Since it is optional for platforms to implement DMA_ATTR_WEAK_ORDERING,
those that do not will simply ignore the attribute and exhibit default
behavior.
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