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6e2332e0ab
* Whenever cpuset needs to rebuild sched_domain, it walked all tasks looking for DEADLINE tasks as they need to be accounted on the new domain. Walking all tasks can be expensive and there may not be any DEADLINE tasks at all. Task iteration is now omitted if there are no DEADLINE tasks. * Fixes DEADLINE bandwidth misaccounting after task migration failures. * When no controller is enabled, -Wstringop-overflow warning is triggered. The fix patch added an early exit which is too eager and got reverted for now. Will fix later. * Everything else are minor cleanups. -----BEGIN PGP SIGNATURE----- iIQEABYIACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCZJoRHw4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGZatAQCKTv8pb5HEgochph4n26laSdVZs6ce3Y+s7V1T rum+3QD/TyJFmCkZSMscolZGFuafpg41sjPbmc4SexeuAMYCMgY= =nioD -----END PGP SIGNATURE----- Merge tag 'cgroup-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup updates from Tejun Heo: - Whenever cpuset needs to rebuild sched_domain, it walked all tasks looking for DEADLINE tasks as they need to be accounted on the new domain. Walking all tasks can be expensive and there may not be any DEADLINE tasks at all. Task iteration is now omitted if there are no DEADLINE tasks - Fixes DEADLINE bandwidth misaccounting after task migration failures - When no controller is enabled, -Wstringop-overflow warning is triggered. The fix patch added an early exit which is too eager and got reverted for now. Will fix later - Everything else is minor cleanups * tag 'cgroup-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: Revert "cgroup: Avoid -Wstringop-overflow warnings" cgroup/misc: Expose misc.current on cgroup v2 root cgroup: Avoid -Wstringop-overflow warnings cgroup: remove obsolete comment on cgroup_on_dfl() cgroup: remove unused task_cgroup_path() cgroup/cpuset: remove unneeded header files cgroup: make cgroup_is_threaded() and cgroup_is_thread_root() static rdmacg: fix kernel-doc warnings in rdmacg cgroup: Replace the css_set call with cgroup_get cgroup: remove unused macro for_each_e_css() cgroup: Update out-of-date comment in cgroup_migrate() cgroup: Replace all non-returning strlcpy with strscpy cgroup/cpuset: remove unneeded header files cgroup/cpuset: Free DL BW in case can_attach() fails sched/deadline: Create DL BW alloc, free & check overflow interface cgroup/cpuset: Iterate only if DEADLINE tasks are present sched/cpuset: Keep track of SCHED_DEADLINE task in cpusets sched/cpuset: Bring back cpuset_mutex cgroup/cpuset: Rename functions dealing with DEADLINE accounting |
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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.