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For synchronized wakes, the waker's CPU should only be treated as idle if there aren't any other running tasks on that CPU. This is because, for synchronized wakes, it is assumed that the waker will immediately go to sleep after waking the wakee; therefore, if there aren't any other tasks running on the waker's CPU, it'll go idle and should be treated as such to improve task placement. This optimization only applies when there aren't any other tasks running on the waker's CPU, however. Fix it by ensuring that there's only the waker running on its CPU. Change-Id: I844386e51b9551b7ccb8fdb6723a255f1142509c Signed-off-by: Sultan Alsawaf <sultan@kerneltoast.com> Signed-off-by: Richard Raya <rdxzv.dev@gmail.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.