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- What: /sys/module/pch_phub/drivers/.../pch_mac
- Date: August 2010
- KernelVersion: 2.6.35
- Contact: [email protected]
- Description: Write/read GbE MAC address.
- What: /sys/module/pch_phub/drivers/.../pch_firmware
- Date: August 2010
- KernelVersion: 2.6.35
- Contact: [email protected]
- Description: Write/read Option ROM data.
- What: /sys/module/ehci_hcd/drivers/.../uframe_periodic_max
- Date: July 2011
- KernelVersion: 3.1
- Contact: Kirill Smelkov <[email protected]>
- Description: Maximum time allowed for periodic transfers per microframe (μs)
- Note:
- USB 2.0 sets maximum allowed time for periodic transfers per
- microframe to be 80%, that is 100 microseconds out of 125
- microseconds (full microframe).
- However there are cases, when 80% max isochronous bandwidth is
- too limiting. For example two video streams could require 110
- microseconds of isochronous bandwidth per microframe to work
- together.
- Through this setting it is possible to raise the limit so that
- the host controller would allow allocating more than 100
- microseconds of periodic bandwidth per microframe.
- Beware, non-standard modes are usually not thoroughly tested by
- hardware designers, and the hardware can malfunction when this
- setting differ from default 100.
- What: /sys/module/*/{coresize,initsize}
- Date: Jan 2012
- KernelVersion: 3.3
- Contact: Kay Sievers <[email protected]>
- Description: Module size in bytes.
- What: /sys/module/*/initstate
- Date: Nov 2006
- KernelVersion: 2.6.19
- Contact: Kay Sievers <[email protected]>
- Description: Show the initialization state(live, coming, going) of
- the module.
- What: /sys/module/*/taint
- Date: Jan 2012
- KernelVersion: 3.3
- Contact: Kay Sievers <[email protected]>
- Description: Module taint flags:
- == =====================
- P proprietary module
- O out-of-tree module
- F force-loaded module
- C staging driver module
- E unsigned module
- == =====================
- What: /sys/module/grant_table/parameters/free_per_iteration
- Date: July 2023
- KernelVersion: 6.5 but backported to all supported stable branches
- Contact: Xen developer discussion <[email protected]>
- Description: Read and write number of grant entries to attempt to free per iteration.
- Note: Future versions of Xen and Linux may provide a better
- interface for controlling the rate of deferred grant reclaim
- or may not need it at all.
- Users: Qubes OS (https://www.qubes-os.org)
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