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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/…
…davem/net-2.6 Conflicts: drivers/net/sfc/sfe4001.c drivers/net/wireless/libertas/cmd.c drivers/staging/Kconfig drivers/staging/Makefile drivers/staging/rtl8187se/Kconfig drivers/staging/rtl8192e/Kconfig
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What: /sys/class/usb_host/usb_hostN/wusb_chid | ||
What: /sys/class/uwb_rc/uwbN/wusbhc/wusb_chid | ||
Date: July 2008 | ||
KernelVersion: 2.6.27 | ||
Contact: David Vrabel <[email protected]> | ||
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Set an all zero CHID to stop the host controller. | ||
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What: /sys/class/usb_host/usb_hostN/wusb_trust_timeout | ||
What: /sys/class/uwb_rc/uwbN/wusbhc/wusb_trust_timeout | ||
Date: July 2008 | ||
KernelVersion: 2.6.27 | ||
Contact: David Vrabel <[email protected]> | ||
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What: /sys/devices/system/cpu/ | ||
Date: pre-git history | ||
Contact: Linux kernel mailing list <[email protected]> | ||
Description: | ||
A collection of both global and individual CPU attributes | ||
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Individual CPU attributes are contained in subdirectories | ||
named by the kernel's logical CPU number, e.g.: | ||
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/sys/devices/system/cpu/cpu#/ | ||
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What: /sys/devices/system/cpu/sched_mc_power_savings | ||
/sys/devices/system/cpu/sched_smt_power_savings | ||
Date: June 2006 | ||
Contact: Linux kernel mailing list <[email protected]> | ||
Description: Discover and adjust the kernel's multi-core scheduler support. | ||
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Possible values are: | ||
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0 - No power saving load balance (default value) | ||
1 - Fill one thread/core/package first for long running threads | ||
2 - Also bias task wakeups to semi-idle cpu package for power | ||
savings | ||
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sched_mc_power_savings is dependent upon SCHED_MC, which is | ||
itself architecture dependent. | ||
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sched_smt_power_savings is dependent upon SCHED_SMT, which | ||
is itself architecture dependent. | ||
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The two files are independent of each other. It is possible | ||
that one file may be present without the other. | ||
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Introduced by git commit 5c45bf27. | ||
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What: /sys/devices/system/cpu/kernel_max | ||
/sys/devices/system/cpu/offline | ||
/sys/devices/system/cpu/online | ||
/sys/devices/system/cpu/possible | ||
/sys/devices/system/cpu/present | ||
Date: December 2008 | ||
Contact: Linux kernel mailing list <[email protected]> | ||
Description: CPU topology files that describe kernel limits related to | ||
hotplug. Briefly: | ||
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kernel_max: the maximum cpu index allowed by the kernel | ||
configuration. | ||
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offline: cpus that are not online because they have been | ||
HOTPLUGGED off or exceed the limit of cpus allowed by the | ||
kernel configuration (kernel_max above). | ||
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online: cpus that are online and being scheduled. | ||
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possible: cpus that have been allocated resources and can be | ||
brought online if they are present. | ||
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present: cpus that have been identified as being present in | ||
the system. | ||
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See Documentation/cputopology.txt for more information. | ||
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What: /sys/devices/system/cpu/cpu#/node | ||
Date: October 2009 | ||
Contact: Linux memory management mailing list <[email protected]> | ||
Description: Discover NUMA node a CPU belongs to | ||
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When CONFIG_NUMA is enabled, a symbolic link that points | ||
to the corresponding NUMA node directory. | ||
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For example, the following symlink is created for cpu42 | ||
in NUMA node 2: | ||
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/sys/devices/system/cpu/cpu42/node2 -> ../../node/node2 | ||
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What: /sys/devices/system/cpu/cpu#/topology/core_id | ||
/sys/devices/system/cpu/cpu#/topology/core_siblings | ||
/sys/devices/system/cpu/cpu#/topology/core_siblings_list | ||
/sys/devices/system/cpu/cpu#/topology/physical_package_id | ||
/sys/devices/system/cpu/cpu#/topology/thread_siblings | ||
/sys/devices/system/cpu/cpu#/topology/thread_siblings_list | ||
Date: December 2008 | ||
Contact: Linux kernel mailing list <[email protected]> | ||
Description: CPU topology files that describe a logical CPU's relationship | ||
to other cores and threads in the same physical package. | ||
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One cpu# directory is created per logical CPU in the system, | ||
e.g. /sys/devices/system/cpu/cpu42/. | ||
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Briefly, the files above are: | ||
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core_id: the CPU core ID of cpu#. Typically it is the | ||
hardware platform's identifier (rather than the kernel's). | ||
The actual value is architecture and platform dependent. | ||
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core_siblings: internal kernel map of cpu#'s hardware threads | ||
within the same physical_package_id. | ||
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core_siblings_list: human-readable list of the logical CPU | ||
numbers within the same physical_package_id as cpu#. | ||
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physical_package_id: physical package id of cpu#. Typically | ||
corresponds to a physical socket number, but the actual value | ||
is architecture and platform dependent. | ||
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thread_siblings: internel kernel map of cpu#'s hardware | ||
threads within the same core as cpu# | ||
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thread_siblings_list: human-readable list of cpu#'s hardware | ||
threads within the same core as cpu# | ||
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See Documentation/cputopology.txt for more information. | ||
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What: /sys/devices/system/cpu/cpuidle/current_driver | ||
/sys/devices/system/cpu/cpuidle/current_governer_ro | ||
Date: September 2007 | ||
Contact: Linux kernel mailing list <[email protected]> | ||
Description: Discover cpuidle policy and mechanism | ||
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Various CPUs today support multiple idle levels that are | ||
differentiated by varying exit latencies and power | ||
consumption during idle. | ||
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Idle policy (governor) is differentiated from idle mechanism | ||
(driver) | ||
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current_driver: displays current idle mechanism | ||
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current_governor_ro: displays current idle policy | ||
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See files in Documentation/cpuidle/ for more information. | ||
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What: /sys/devices/system/cpu/cpu*/cache/index*/cache_disable_X | ||
Date: August 2008 | ||
KernelVersion: 2.6.27 | ||
Contact: [email protected] | ||
Description: These files exist in every cpu's cache index directories. | ||
There are currently 2 cache_disable_# files in each | ||
directory. Reading from these files on a supported | ||
processor will return that cache disable index value | ||
for that processor and node. Writing to one of these | ||
files will cause the specificed cache index to be disabled. | ||
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Currently, only AMD Family 10h Processors support cache index | ||
disable, and only for their L3 caches. See the BIOS and | ||
Kernel Developer's Guide at | ||
http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/31116-Public-GH-BKDG_3.20_2-4-09.pdf | ||
for formatting information and other details on the | ||
cache index disable. | ||
Users: [email protected] |
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@@ -418,6 +418,14 @@ When: 2.6.33 | |
Why: Should be implemented in userspace, policy daemon. | ||
Who: Johannes Berg <[email protected]> | ||
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--------------------------- | ||
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What: CONFIG_INOTIFY | ||
When: 2.6.33 | ||
Why: last user (audit) will be converted to the newer more generic | ||
and more easily maintained fsnotify subsystem | ||
Who: Eric Paris <[email protected]> | ||
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---------------------------- | ||
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What: lock_policy_rwsem_* and unlock_policy_rwsem_* will not be | ||
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@@ -451,3 +459,33 @@ Why: OSS sound_core grabs all legacy minors (0-255) of SOUND_MAJOR | |
will also allow making ALSA OSS emulation independent of | ||
sound_core. The dependency will be broken then too. | ||
Who: Tejun Heo <[email protected]> | ||
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---------------------------- | ||
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What: Support for VMware's guest paravirtuliazation technique [VMI] will be | ||
dropped. | ||
When: 2.6.37 or earlier. | ||
Why: With the recent innovations in CPU hardware acceleration technologies | ||
from Intel and AMD, VMware ran a few experiments to compare these | ||
techniques to guest paravirtualization technique on VMware's platform. | ||
These hardware assisted virtualization techniques have outperformed the | ||
performance benefits provided by VMI in most of the workloads. VMware | ||
expects that these hardware features will be ubiquitous in a couple of | ||
years, as a result, VMware has started a phased retirement of this | ||
feature from the hypervisor. We will be removing this feature from the | ||
Kernel too. Right now we are targeting 2.6.37 but can retire earlier if | ||
technical reasons (read opportunity to remove major chunk of pvops) | ||
arise. | ||
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Please note that VMI has always been an optimization and non-VMI kernels | ||
still work fine on VMware's platform. | ||
Latest versions of VMware's product which support VMI are, | ||
Workstation 7.0 and VSphere 4.0 on ESX side, future maintainence | ||
releases for these products will continue supporting VMI. | ||
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For more details about VMI retirement take a look at this, | ||
http://blogs.vmware.com/guestosguide/2009/09/vmi-retirement.html | ||
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Who: Alok N Kataria <[email protected]> | ||
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---------------------------- |
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