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Linus Torvalds
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| --- | ||
| refs/heads/master: f423e5ba76e7e4a6fcb4836b4f072d1fdebba8b5 | ||
| refs/heads/master: c49c41a4134679cecb77362e7f6b59acb6320aa7 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| What: /sys/firmware/acpi/pm_profile | ||
| Date: 03-Nov-2011 | ||
| KernelVersion: v3.2 | ||
| Contact: linux-acpi@vger.kernel.org | ||
| Description: The ACPI pm_profile sysfs interface exports the platform | ||
| power management (and performance) requirement expectations | ||
| as provided by BIOS. The integer value is directly passed as | ||
| retrieved from the FADT ACPI table. | ||
| Values: For possible values see ACPI specification: | ||
| 5.2.9 Fixed ACPI Description Table (FADT) | ||
| Field: Preferred_PM_Profile | ||
|
|
||
| Currently these values are defined by spec: | ||
| 0 Unspecified | ||
| 1 Desktop | ||
| 2 Mobile | ||
| 3 Workstation | ||
| 4 Enterprise Server | ||
| 5 SOHO Server | ||
| 6 Appliance PC | ||
| 7 Performance Server | ||
| >7 Reserved |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| What: /sys/bus/xen-backend/devices/*/devtype | ||
| Date: Feb 2009 | ||
| KernelVersion: 2.6.38 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| The type of the device. e.g., one of: 'vbd' (block), | ||
| 'vif' (network), or 'vfb' (framebuffer). | ||
|
|
||
| What: /sys/bus/xen-backend/devices/*/nodename | ||
| Date: Feb 2009 | ||
| KernelVersion: 2.6.38 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| XenStore node (under /local/domain/NNN/) for this | ||
| backend device. | ||
|
|
||
| What: /sys/bus/xen-backend/devices/vbd-*/physical_device | ||
| Date: April 2011 | ||
| KernelVersion: 3.0 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| The major:minor number (in hexidecimal) of the | ||
| physical device providing the storage for this backend | ||
| block device. | ||
|
|
||
| What: /sys/bus/xen-backend/devices/vbd-*/mode | ||
| Date: April 2011 | ||
| KernelVersion: 3.0 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| Whether the block device is read-only ('r') or | ||
| read-write ('w'). | ||
|
|
||
| What: /sys/bus/xen-backend/devices/vbd-*/statistics/f_req | ||
| Date: April 2011 | ||
| KernelVersion: 3.0 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| Number of flush requests from the frontend. | ||
|
|
||
| What: /sys/bus/xen-backend/devices/vbd-*/statistics/oo_req | ||
| Date: April 2011 | ||
| KernelVersion: 3.0 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| Number of requests delayed because the backend was too | ||
| busy processing previous requests. | ||
|
|
||
| What: /sys/bus/xen-backend/devices/vbd-*/statistics/rd_req | ||
| Date: April 2011 | ||
| KernelVersion: 3.0 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| Number of read requests from the frontend. | ||
|
|
||
| What: /sys/bus/xen-backend/devices/vbd-*/statistics/rd_sect | ||
| Date: April 2011 | ||
| KernelVersion: 3.0 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| Number of sectors read by the frontend. | ||
|
|
||
| What: /sys/bus/xen-backend/devices/vbd-*/statistics/wr_req | ||
| Date: April 2011 | ||
| KernelVersion: 3.0 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| Number of write requests from the frontend. | ||
|
|
||
| What: /sys/bus/xen-backend/devices/vbd-*/statistics/wr_sect | ||
| Date: April 2011 | ||
| KernelVersion: 3.0 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| Number of sectors written by the frontend. |
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trunk/Documentation/ABI/stable/sysfs-devices-system-xen_memory
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| What: /sys/devices/system/xen_memory/xen_memory0/max_retry_count | ||
| Date: May 2011 | ||
| KernelVersion: 2.6.39 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| The maximum number of times the balloon driver will | ||
| attempt to increase the balloon before giving up. See | ||
| also 'retry_count' below. | ||
| A value of zero means retry forever and is the default one. | ||
|
|
||
| What: /sys/devices/system/xen_memory/xen_memory0/max_schedule_delay | ||
| Date: May 2011 | ||
| KernelVersion: 2.6.39 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| The limit that 'schedule_delay' (see below) will be | ||
| increased to. The default value is 32 seconds. | ||
|
|
||
| What: /sys/devices/system/xen_memory/xen_memory0/retry_count | ||
| Date: May 2011 | ||
| KernelVersion: 2.6.39 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| The current number of times that the balloon driver | ||
| has attempted to increase the size of the balloon. | ||
| The default value is one. With max_retry_count being | ||
| zero (unlimited), this means that the driver will attempt | ||
| to retry with a 'schedule_delay' delay. | ||
|
|
||
| What: /sys/devices/system/xen_memory/xen_memory0/schedule_delay | ||
| Date: May 2011 | ||
| KernelVersion: 2.6.39 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| The time (in seconds) to wait between attempts to | ||
| increase the balloon. Each time the balloon cannot be | ||
| increased, 'schedule_delay' is increased (until | ||
| 'max_schedule_delay' is reached at which point it | ||
| will use the max value). | ||
|
|
||
| What: /sys/devices/system/xen_memory/xen_memory0/target | ||
| Date: April 2008 | ||
| KernelVersion: 2.6.26 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| The target number of pages to adjust this domain's | ||
| memory reservation to. | ||
|
|
||
| What: /sys/devices/system/xen_memory/xen_memory0/target_kb | ||
| Date: April 2008 | ||
| KernelVersion: 2.6.26 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| As target above, except the value is in KiB. | ||
|
|
||
| What: /sys/devices/system/xen_memory/xen_memory0/info/current_kb | ||
| Date: April 2008 | ||
| KernelVersion: 2.6.26 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| Current size (in KiB) of this domain's memory | ||
| reservation. | ||
|
|
||
| What: /sys/devices/system/xen_memory/xen_memory0/info/high_kb | ||
| Date: April 2008 | ||
| KernelVersion: 2.6.26 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| Amount (in KiB) of high memory in the balloon. | ||
|
|
||
| What: /sys/devices/system/xen_memory/xen_memory0/info/low_kb | ||
| Date: April 2008 | ||
| KernelVersion: 2.6.26 | ||
| Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | ||
| Description: | ||
| Amount (in KiB) of low (or normal) memory in the | ||
| balloon. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| What: /sys/kernel/debug/ideapad/cfg | ||
| Date: Sep 2011 | ||
| KernelVersion: 3.2 | ||
| Contact: Ike Panhc <ike.pan@canonical.com> | ||
| Description: | ||
|
|
||
| cfg shows the return value of _CFG method in VPC2004 device. It tells machine | ||
| capability and what graphic component within the machine. | ||
|
|
||
|
|
||
| What: /sys/kernel/debug/ideapad/status | ||
| Date: Sep 2011 | ||
| KernelVersion: 3.2 | ||
| Contact: Ike Panhc <ike.pan@canonical.com> | ||
| Description: | ||
|
|
||
| status shows infos we can read and tells its meaning and value. | ||
|
|
||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| What: security/evm | ||
| Date: March 2011 | ||
| Contact: Mimi Zohar <zohar@us.ibm.com> | ||
| Description: | ||
| EVM protects a file's security extended attributes(xattrs) | ||
| against integrity attacks. The initial method maintains an | ||
| HMAC-sha1 value across the extended attributes, storing the | ||
| value as the extended attribute 'security.evm'. | ||
|
|
||
| EVM depends on the Kernel Key Retention System to provide it | ||
| with a trusted/encrypted key for the HMAC-sha1 operation. | ||
| The key is loaded onto the root's keyring using keyctl. Until | ||
| EVM receives notification that the key has been successfully | ||
| loaded onto the keyring (echo 1 > <securityfs>/evm), EVM | ||
| can not create or validate the 'security.evm' xattr, but | ||
| returns INTEGRITY_UNKNOWN. Loading the key and signaling EVM | ||
| should be done as early as possible. Normally this is done | ||
| in the initramfs, which has already been measured as part | ||
| of the trusted boot. For more information on creating and | ||
| loading existing trusted/encrypted keys, refer to: | ||
| Documentation/keys-trusted-encrypted.txt. (A sample dracut | ||
| patch, which loads the trusted/encrypted key and enables | ||
| EVM, is available from http://linux-ima.sourceforge.net/#EVM.) |
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