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3b347e4032
- Make sure 32 bit applications using user events have aligned access when running on a 64 bit kernel. - Add cond_resched in the loop that handles converting enums in print_fmt string is trace events. - Fix premature wake ups of polling processes in the tracing ring buffer. When a task polls waiting for a percentage of the ring buffer to be filled, the writer still will wake it up at every event. Add the polling's percentage to the "shortest_full" list to tell the writer when to wake it up. - For eventfs dir lookups on dynamic events, an event system's only event could be removed, leaving its dentry with no children. This is totally legitimate. But in eventfs_release() it must not access the children array, as it is only allocated when the dentry has children. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCZRiI2xQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qlvoAQDKbevbqA0C8lEV1rbVh4Q9Rnq580rz EAyEO/RrSOwE9AEA2z+Q597mDjEiqQBvqTjBkS+0xZ7AUQYZRWgTHRIbegg= =tqOM -----END PGP SIGNATURE----- Merge tag 'trace-v6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing fixes from Steven Rostedt: - Make sure 32-bit applications using user events have aligned access when running on a 64-bit kernel. - Add cond_resched in the loop that handles converting enums in print_fmt string is trace events. - Fix premature wake ups of polling processes in the tracing ring buffer. When a task polls waiting for a percentage of the ring buffer to be filled, the writer still will wake it up at every event. Add the polling's percentage to the "shortest_full" list to tell the writer when to wake it up. - For eventfs dir lookups on dynamic events, an event system's only event could be removed, leaving its dentry with no children. This is totally legitimate. But in eventfs_release() it must not access the children array, as it is only allocated when the dentry has children. * tag 'trace-v6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: eventfs: Test for dentries array allocated in eventfs_release() tracing/user_events: Align set_bit() address for all archs tracing: relax trace_event_eval_update() execution with cond_resched() ring-buffer: Update "shortest_full" in polling |
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| README | ||
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.