commit | 48bc9833a6a76a9308777c7314540c3f5408e339 | [log] [tgz] |
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author | Frederic Weisbecker <frederic@kernel.org> | Sat Feb 04 00:24:09 2023 +0100 |
committer | Frederic Weisbecker <frederic@kernel.org> | Wed Mar 15 23:31:56 2023 +0100 |
tree | d9952393b8eb7913b0a7c123efa6f04b17c4afc1 | |
parent | 9c1bec9c0b08abeac72ed6214b723adc224013bf [diff] |
sched/isolation: Add cpu_is_isolated() API Provide this new API to check if a CPU has been isolated either through isolcpus= or nohz_full= kernel parameter. It aims at avoiding kernel load deemed to be safely spared on CPUs running sensitive workload that can't bear any disturbance, such as pcp cache draining. Suggested-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>