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8efce17187
When implemented RT Capacity Awareness; the logic was done such that if a task was running on a fitting CPU, then it was sticky and we would try our best to keep it there. But as Steve suggested, to adhere to the strict priority rules of RT class; allow pulling an RT task to unfitting CPU to ensure it gets a chance to run ASAP. Bug: 120440300 LINK: https://lore.kernel.org/lkml/20200203111451.0d1da58f@oasis.local.home/ Suggested-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Qais Yousef <qais.yousef@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Fixes:804d402fb6("sched/rt: Make RT capacity-aware") Link: https://lkml.kernel.org/r/20200302132721.8353-5-qais.yousef@arm.com (cherry picked from commit98ca645f82https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core) [Trivial merge conflict] Signed-off-by: Qais Yousef <qais.yousef@arm.com> Change-Id: Ie25fa5a4f3b0979ed06df8d156e5586b2928479e
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.