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b78cda795a
- MMU code improvements that includes:
- Distinguish between "normal" unmapping and unmapping that is done as
part of the tear-down of a user process. This improves performance of
unmapping during reset of the device.
- Add future ASIC support in generic MMU code.
- Improve device reset code by adding more protection around accessing the
device during the reset process.
- Add new H/W queue type for future ASIC support
- Add more information to be retrieved by users through INFO IOCTL:
- clock rate
- board name
- reset counters
- Small bug fixes and minor improvements to code.
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Merge tag 'misc-habanalabs-next-2019-11-21' of git://people.freedesktop.org/~gabbayo/linux into char-misc-next
Oded writes:
This tag contains the following changes for kernel 5.5:
- MMU code improvements that includes:
- Distinguish between "normal" unmapping and unmapping that is done as
part of the tear-down of a user process. This improves performance of
unmapping during reset of the device.
- Add future ASIC support in generic MMU code.
- Improve device reset code by adding more protection around accessing the
device during the reset process.
- Add new H/W queue type for future ASIC support
- Add more information to be retrieved by users through INFO IOCTL:
- clock rate
- board name
- reset counters
- Small bug fixes and minor improvements to code.
* tag 'misc-habanalabs-next-2019-11-21' of git://people.freedesktop.org/~gabbayo/linux: (31 commits)
habanalabs: add more protection of device during reset
habanalabs: flush EQ workers in hard reset
habanalabs: make the reset code more consistent
habanalabs: expose reset counters via existing INFO IOCTL
habanalabs: make code more concise
habanalabs: use defines for F/W files
habanalabs: remove prints on successful device initialization
habanalabs: remove unnecessary checks
habanalabs: invalidate MMU cache only once
habanalabs: skip VA block list update in reset flow
habanalabs: optimize MMU unmap
habanalabs: prevent read/write from/to the device during hard reset
habanalabs: split MMU properties to PCI/DRAM
habanalabs: re-factor MMU masks and documentation
habanalabs: type specific MMU cache invalidation
habanalabs: re-factor memory module code
habanalabs: export uapi defines to user-space
habanalabs: don't print error when queues are full
habanalabs: increase max jobs number to 512
habanalabs: set ETR as non-secured
...
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.