| Commit message (Collapse) | Author | Age | Files | Lines |
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* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
Enhanced partition statistics: documentation update
Enhanced partition statistics: remove old partition statistics
Enhanced partition statistics: procfs
Enhanced partition statistics: sysfs
Enhanced partition statistics: aoe fix
Enhanced partition statistics: update partition statitics
Enhanced partition statistics: core statistics
block: fixup rq_init() a bit
Manually fixed conflict in drivers/block/aoe/aoecmd.c due to statistics
support.
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Update the documentation to reflect the change in userspace interface.
Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
acer-wmi, tc1100-wmi: select ACPI_WMI
ACPI: WMI: Improve Kconfig description
ACPI: DMI: add Panasonic CF-52 and Thinpad X61
ACPI: thermal: syntax, spelling, kernel-doc
intel_menlo: build on X86 only
ACPI: build WMI on X86 only
ACPI: cpufreq: Print _PPC changes via cpufreq debug layer
ACPI: add newline to printk
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Reviewed-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Fix gcc warnings in getdelays.c:
Documentation/accounting/getdelays.c: In function 'task_context_switch_counts':
Documentation/accounting/getdelays.c:214: warning: format '%15lu' expects type 'long unsigned int', but argument 4 has type '__u64'
Documentation/accounting/getdelays.c:214: warning: format '%15lu' expects type 'long unsigned int', but argument 5 has type '__u64'
Documentation/accounting/getdelays.c: In function 'main':
Documentation/accounting/getdelays.c:402: warning: format '%d' expects type 'int', but argument 2 has type 'long unsigned int'
Documentation/accounting/getdelays.c: In function 'get_family_id':
Documentation/accounting/getdelays.c:171: warning: 'id' may be used uninitialized in this function
One warning is not a problem and can be dismissed:
Documentation/accounting/getdelays.c: In function 'main':
Documentation/accounting/getdelays.c:236: warning: 'cmd_type' may be used uninitialized in this function
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Following the deprecation schedule the a.out ELF interpreter support
is removed now with this patch. a.out ELF interpreters were an transition
feature for moving a.out systems to ELF, but they're unlikely to be still
needed. Pure a.out systems will still work of course. This allows to
simplify the hairy ELF loader.
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This series addresses the problem of showing mount options in
/proc/mounts.
Several filesystems which use mount options, have not implemented a
.show_options superblock operation. Several others have implemented
this callback, but have not kept it fully up to date with the parsed
options.
Q: Why do we need correct option showing in /proc/mounts?
A: We want /proc/mounts to fully replace /etc/mtab. The reasons for
this are:
- unprivileged mounters won't be able to update /etc/mtab
- /etc/mtab doesn't work with private mount namespaces
- /etc/mtab can become out-of-sync with reality
Q: Can't this be done, so that filesystems need not bother with
implementing a .show_mounts callback, and keeping it up to date?
A: Only in some cases. Certain filesystems allow modification of a
subset of options in their remount_fs method. It is not possible
to take this into account without knowing exactly how the
filesystem handles options.
For the simple case (no remount or remount resets all options) the
patchset introduces two helpers:
generic_show_options()
save_mount_options()
These can also be used to emulate the old /etc/mtab behavior, until
proper support is added. Even if this is not 100% correct, it's still
better than showing no options at all.
The following patches fix up most in-tree filesystems, some have been
compile tested only, some have been reviewed and acked by the
maintainer.
Table displaying status of all in-kernel filesystems:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
legend:
none - fs has options, but doesn't define ->show_options()
some - fs defines ->show_options(), but some only options are shown
good - fs shows all options
noopt - fs does not have options
patch - a patch will be posted
merged - a patch has been merged by subsystem maintainer
9p good
adfs patch
affs patch
afs patch
autofs patch
autofs4 patch
befs patch
bfs noopt
cifs some
coda noopt
configfs noopt
cramfs noopt
debugfs noopt
devpts patch
ecryptfs good
efs noopt
ext2 patch
ext3 good
ext4 merged
fat patch
freevxfs noopt
fuse patch
fusectl noopt
gfs2 good
gfs2meta noopt
hfs good
hfsplus good
hostfs patch
hpfs patch
hppfs noopt
hugetlbfs patch
isofs patch
jffs2 noopt
jfs merged
minix noopt
msdos ->fat
ncpfs patch
nfs some
nfsd noopt
ntfs good
ocfs2 good
ocfs2/dlmfs noopt
openpromfs noopt
proc noopt
qnx4 noopt
ramfs noopt
reiserfs patch
romfs noopt
smbfs good
sysfs noopt
sysv noopt
udf patch
ufs good
vfat ->fat
xfs good
mm/shmem.c patch
drivers/oprofile/oprofilefs.c noopt
drivers/infiniband/hw/ipath/ipath_fs.c noopt
drivers/misc/ibmasm/ibmasmfs.c noopt
drivers/usb/core (usbfs) merged
drivers/usb/gadget (gadgetfs) noopt
drivers/isdn/capi/capifs.c patch
kernel/cpuset.c noopt
fs/binfmt_misc.c noopt
net/sunrpc/rpc_pipe.c noopt
arch/powerpc/platforms/cell/spufs patch
arch/s390/hypfs good
ipc/mqueue.c noopt
security (securityfs) noopt
security/selinux/selinuxfs.c noopt
kernel/cgroup.c good
security/smack/smackfs.c noopt
in -mm:
reiser4 some
unionfs good
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
This patch:
Document the rules for handling mount options in the .show_options
super operation.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Implement dmode option for iso9660 filesystem to allow setting of access
rights for directories on the filesystem.
Signed-off-by: Jan Kara <jack@suse.cz>
Cc: "Ilya N. Golubev" <gin@mo.msk.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The scheduled removal of the 'time' option.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When an AoE device is detected, the kernel is informed, and a new block device
is created. If the device is unused, the block device corresponding to remote
device that is no longer available may be removed from the system by telling
the aoe driver to "flush" its list of devices.
Without this patch, software like GPFS and LVM may attempt to read from AoE
devices that were discovered earlier but are no longer present, blocking until
the I/O attempt times out.
Signed-off-by: Ed L. Cashin <ecashin@coraid.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch adds a known default location for the udev configuration file and
uses the more recent "==" syntax for SUBSYSTEM and KERNEL.
Signed-off-by: Ed L. Cashin <ecashin@coraid.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add architecture support for the MN10300/AM33 CPUs produced by MEI to the
kernel.
This patch also adds board support for the ASB2303 with the ASB2308 daughter
board, and the ASB2305. The only processor supported is the MN103E010, which
is an AM33v2 core plus on-chip devices.
[akpm@linux-foundation.org: nuke cvs control strings]
Signed-off-by: Masakazu Urade <urade.masakazu@jp.panasonic.com>
Signed-off-by: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6: (59 commits)
hwmon: (lm80) Add individual alarm files
hwmon: (lm80) De-macro the sysfs callbacks
hwmon: (lm80) Various cleanups
hwmon: (w83627hf) Refactor beep enable handling
hwmon: (w83627hf) Add individual alarm and beep files
hwmon: (w83627hf) Enable VBAT monitoring
hwmon: (w83627ehf) The W83627DHG has 8 VID pins
hwmon: (asb100) Add individual alarm files
hwmon: (asb100) De-macro the sysfs callbacks
hwmon: (asb100) Various cleanups
hwmon: VRM is not written to registers
hwmon: (dme1737) fix Super-IO device ID override
hwmon: (dme1737) fix divide-by-0
hwmon: (abituguru3) Add AUX4 fan input for Abit IP35 Pro
hwmon: Add support for Texas Instruments/Burr-Brown ADS7828
hwmon: (adm9240) Add individual alarm files
hwmon: (lm77) Add individual alarm files
hwmon: Discard useless I2C driver IDs
hwmon: (lm85) Make the pwmN_enable files writable
hwmon: (lm85) Return standard values in pwmN_enable
...
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While the W83627EHF/EHG has only 6 VID pins, the W83627DHG has 8 VID
pins, to support VRD 11.0. Add support for this.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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Signed-off-by: Steve Hardy <steve@linuxrealtime.co.uk>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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The W83627HF hardware monitoring features are supported by the
w83627hf driver for several years now. Support by the w83781d has
been advertised as deprecated 6 months ago, it's about time to see
it go.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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It's about time to reflect the move of the lm-sensors project to
lm-sensors.org.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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It happens that the Analog Devices ADM1024 is fully compatible with
the National Semiconductor LM87, so support for the former can easily
be added to the lm87 driver.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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Signed-off-by: Kevin Lo <kevlo@kevlo.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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We've never seen any device supported by the lm78 or w83781d driver at
addresses 0x20-0x27, so let's stop probing these addresses. Extra probes cost
time, and have potential for confusing or misdetecting other I2C devices.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vm
* 'slub-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vm:
SLUB: fix checkpatch warnings
Use non atomic unlock
SLUB: Support for performance statistics
SLUB: Alternate fast paths using cmpxchg_local
SLUB: Use unique end pointer for each slab page.
SLUB: Deal with annoying gcc warning on kfree()
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The statistics provided here allow the monitoring of allocator behavior but
at the cost of some (minimal) loss of performance. Counters are placed in
SLUB's per cpu data structure. The per cpu structure may be extended by the
statistics to grow larger than one cacheline which will increase the cache
footprint of SLUB.
There is a compile option to enable/disable the inclusion of the runtime
statistics and its off by default.
The slabinfo tool is enhanced to support these statistics via two options:
-D Switches the line of information displayed for a slab from size
mode to activity mode.
-A Sorts the slabs displayed by activity. This allows the display of
the slabs most important to the performance of a certain load.
-r Report option will report detailed statistics on
Example (tbench load):
slabinfo -AD ->Shows the most active slabs
Name Objects Alloc Free %Fast
skbuff_fclone_cache 33 111953835 111953835 99 99
:0000192 2666 5283688 5281047 99 99
:0001024 849 5247230 5246389 83 83
vm_area_struct 1349 119642 118355 91 22
:0004096 15 66753 66751 98 98
:0000064 2067 25297 23383 98 78
dentry 10259 28635 18464 91 45
:0000080 11004 18950 8089 98 98
:0000096 1703 12358 10784 99 98
:0000128 762 10582 9875 94 18
:0000512 184 9807 9647 95 81
:0002048 479 9669 9195 83 65
anon_vma 777 9461 9002 99 71
kmalloc-8 6492 9981 5624 99 97
:0000768 258 7174 6931 58 15
So the skbuff_fclone_cache is of highest importance for the tbench load.
Pretty high load on the 192 sized slab. Look for the aliases
slabinfo -a | grep 000192
:0000192 <- xfs_btree_cur filp kmalloc-192 uid_cache tw_sock_TCP
request_sock_TCPv6 tw_sock_TCPv6 skbuff_head_cache xfs_ili
Likely skbuff_head_cache.
Looking into the statistics of the skbuff_fclone_cache is possible through
slabinfo skbuff_fclone_cache ->-r option implied if cache name is mentioned
.... Usual output ...
Slab Perf Counter Alloc Free %Al %Fr
--------------------------------------------------
Fastpath 111953360 111946981 99 99
Slowpath 1044 7423 0 0
Page Alloc 272 264 0 0
Add partial 25 325 0 0
Remove partial 86 264 0 0
RemoteObj/SlabFrozen 350 4832 0 0
Total 111954404 111954404
Flushes 49 Refill 0
Deactivate Full=325(92%) Empty=0(0%) ToHead=24(6%) ToTail=1(0%)
Looks good because the fastpath is overwhelmingly taken.
skbuff_head_cache:
Slab Perf Counter Alloc Free %Al %Fr
--------------------------------------------------
Fastpath 5297262 5259882 99 99
Slowpath 4477 39586 0 0
Page Alloc 937 824 0 0
Add partial 0 2515 0 0
Remove partial 1691 824 0 0
RemoteObj/SlabFrozen 2621 9684 0 0
Total 5301739 5299468
Deactivate Full=2620(100%) Empty=0(0%) ToHead=0(0%) ToTail=0(0%)
Descriptions of the output:
Total: The total number of allocation and frees that occurred for a
slab
Fastpath: The number of allocations/frees that used the fastpath.
Slowpath: Other allocations
Page Alloc: Number of calls to the page allocator as a result of slowpath
processing
Add Partial: Number of slabs added to the partial list through free or
alloc (occurs during cpuslab flushes)
Remove Partial: Number of slabs removed from the partial list as a result of
allocations retrieving a partial slab or by a free freeing
the last object of a slab.
RemoteObj/Froz: How many times were remotely freed object encountered when a
slab was about to be deactivated. Frozen: How many times was
free able to skip list processing because the slab was in use
as the cpuslab of another processor.
Flushes: Number of times the cpuslab was flushed on request
(kmem_cache_shrink, may result from races in __slab_alloc)
Refill: Number of times we were able to refill the cpuslab from
remotely freed objects for the same slab.
Deactivate: Statistics how slabs were deactivated. Shows how they were
put onto the partial list.
In general fastpath is very good. Slowpath without partial list processing is
also desirable. Any touching of partial list uses node specific locks which
may potentially cause list lock contention.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
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- add arcmsr_enable_eoi_mode()and readl(reg->iop2drv_doorbell_reg) in
arcmsr_handle_hbb_isr() on adapter Type B in case of the doorbell
interrupt clearance is cached
- add conditional declaration for arcmsr_pci_error_detected() and
arcmsr_pci_slot_reset
- check if the sg list member number exceeds arcmsr default limit in
arcmsr_build_ccb()
- change the returned value type of arcmsr_build_ccb()from "void" to
"int" returns FAILED in arcmsr_queue_command()
- modify arcmsr_drain_donequeue() to ignore unknown command and let
kernel process command timeout. This could handle IO request violating
maximum segments, i.e. Linux XFS over DM-CRYPT. Thanks to Milan Broz's
comments <mbroz@redhat.com>
- fix the release of dma memory for type B in arcmsr_free_ccb_pool()
- fix the arcmsr_polling_hbb_ccbdone()
Signed-off-by: Nick Cheng <nick.cheng@areca.com.tw>
Cc: Milan Broz <mbroz@redhat.com>
Cc: <thenzl@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This updates steeleye -> hansenpartnership in the documentation since
some email has been going astray because of this.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (34 commits)
Input: i8042 - non-x86 build fix
Input: pxa27x_keypad - also enable on PXA3xx
Input: pxa27x_keypad - add debounce_interval to the keypad platform data
Input: pxa27x_keypad - use device resources for I/O memory mapping and IRQ
Input: pxa27x_keypad - enable rotary encoders and direct keys
Input: pxa27x_keypad - introduce pxa27x_keypad_config()
Input: pxa27x_keypad - introduce driver structure and use KEY() to define matrix keys
Input: pxa27x_keypad - remove pin configuration from the driver
Input: pxa27x_keypad - rename the driver (was pxa27x_keyboard)
Input: constify function pointer tables (seq_operations)
Input: i8042 - add Fujitsu-Siemens Amilo Pro 2010 to nomux list
Input: i8042 - enable DMI quirks on x86-64
Input: i8042 - add Dritek quirk for Acer Aspire 9110
Input: add input event to APM event bridge
Input: mousedev - use BIT_MASK instead of BIT
Input: remove duplicate includes
Input: remove cdev from input_dev structure
Input: remove duplicated headers in drivers/char/keyboard.c
Input: i8042 - add Dritek keyboard extension quirk
Input: add Tosa keyboard driver
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The input example driver uses BTN_0 in the later stages of the
example, so this changes the interrupt routine to match.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (112 commits)
ACPI: fix build warning
Revert "cpuidle: build fix for non-x86"
ACPI: update intrd DSDT override console messages
ACPI: update DSDT override documentation
ACPI: Add "acpi_no_initrd_override" kernel parameter
ACPI: its a directory not a folder....
ACPI: misc cleanups
ACPI: add missing prink prefix strings
ACPI: cleanup acpi.h
ACPICA: fix CONFIG_ACPI_DEBUG_FUNC_TRACE build
ACPI: video: Ignore ACPI video devices that aren't present in hardware
ACPI: video: reset brightness on resume
ACPI: video: call ACPI notifier chain for ACPI video notifications
ACPI: create notifier chain to get hotkey events to graphics driver
ACPI: video: delete unused display switch on hotkey event code
ACPI: video: create "brightness_switch_enabled" modparam
cpuidle: Add a poll_idle method
ACPI: cpuidle: Support C1 idle time accounting
ACPI: enable MWAIT for C1 idle
ACPI: idle: Fix acpi_safe_halt usages and interrupt enabling/disabling
...
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Signed-off-by: Len Brown <len.brown@intel.com>
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The acpi_no_initrd_override parameter permits to disable the load of an ACPI
table from the initramfs.
Signed-off-by: Eric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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The basics of DSDT from initramfs. In case this option is selected,
populate_rootfs() is called a bit earlier to have the initramfs content
available during ACPI initialization.
This is a very similar path to the one available at
http://gaugusch.at/kernel.shtml but with some update in the
documentation, default set to No and the change of populate_rootfs() the
"Jeff Mahony way" (which avoids reading the initramfs twice).
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Eric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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Conflicts:
drivers/acpi/video.c
Signed-off-by: Len Brown <len.brown@intel.com>
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The Generic Thermal sysfs driver for thermal management.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Thomas Sujith <sujith.thomas@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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See Documentation/ABI/testing/sysfs-firmware-acpi
Based-on-original-patch-by: Luming Yu <luming.yu@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Pavel Machek <pavel@suse.cz>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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'bugzilla-7186', 'bugzilla-8269', 'bugzilla-8570', 'bugzilla-9139', 'bugzilla-9277', 'bugzilla-9341', 'bugzilla-9444', 'bugzilla-9614', 'bugzilla-9643' and 'bugzilla-9644' into release
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Signed-off-by: Len Brown <len.brown@intel.com>
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The major code reorganization and cleanups, and new HKEY events, plus
poll()/select() support are good reasons to checkpoint a new version...
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Implement poll()/select() support through sysfs_notify() for some key
attributes which userspace might want to poll() or select() on.
In order to let userspace know poll()/select() support is available for an
attribute, the thinkpad-acpi sysfs interface version is also bumped up.
Further changes that add poll()/select() capabilities to any pre-existing
attributes will also increment the sysfs interface version.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Tomas Carnecky reports that events 0x5009 and 0x500a are swivel events, and
that 0x500b/0x500c are tablet pen storage bay events.
Document these events, and avoid nasty messages when they happen.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Handle some HKEY events that the firmware uses to report the reason for a
wake up, and to also notify that the system could go back to sleep (if it
woke up just to eject something from the bay, or to undock).
The driver will report the reason of the last wake up in the sysfs
attribute "wakeup_reason": 0 for "none, unknown, or standard ACPI wake up
event", 1 for "bay ejection request" and 2 for "undock request".
The firmware will also report if the operation that triggered the wake up
has been completed, by issuing an HKEY 0x3003 or 0x4003 event. If the
operation fails, no event is sent. When such a hotunplug sucessfull
notification is issued, the driver sets the attribute
"wakeup_hotunplug_complete" to 1.
While the firmware does tell us whether we are waking from a suspend or
hibernation scenario, the Linux way of hibernating makes this information
not reliable, and therefore it is not reported.
The idea is that if any of these attributes are non-zero, userspace might
want to do something at the end of the "wake up from sleep" procedures,
such as offering to send the machine back into sleep as soon as it is safe
to do so.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Use a generic message on hotkey_notify to log unknown and unhandled events,
and cleanup hotkey_notify a little.
Also, document event 0x5010 (brightness changed notification) and do not
log it as an unknown event (even if we do not use it for anything right
now).
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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The NVRAM polling support for hot keys is reason enough to
bump up the version string. Do it.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Older ThinkPad models do not export some of the hot keys over the
event-based ACPI hot key interface. For these models, one has to poll
the CMOS NVRAM to check the key state at a rate faster than the expected
rate at which the user might repeatedly press the same hot key.
This patch implements this functionality for many of the hotkeys in a
transparent way: hot keys will now Just Work, and the driver knows the
best approach (events or NVRAM polling) to employ, based on the
HKEY.MHKA ACPI method.
Also, the driver can turn off the polling when there are no users for
the hot keys that need such polling.
The NVRAM-based hot keys of the A3x series that have never been
implemented by later models are not supported, to avoid changes in the
keymap of the input devices that could cause headaches in the future.
There is a Kconfig option to avoid compiling the NVRAM polling code, as
it is not very small, and unlikely to be useful on any ThinkPad newer
than a T40, X31 or R52.
This feature is based on a previous effort by Richard Hughes.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Richard Hughes <hughsient@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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* 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds:
leds: Add HP Jornada 6xx driver
leds: Remove the now uneeded ixp4xx driver
leds: Add power LED to the wrap driver
leds: Fix led-gpio active_low default brightness
leds: hw acceleration for Clevo mail LED driver
leds: Add support for hardware accelerated LED flashing
leds: Standardise LED naming scheme
leds: Add clevo notebook LED driver
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