sched/topology: Remove SD_BALANCE_WAKE on asymmetric capacity systems
SD_BALANCE_WAKE was previously added to lower sched_domain levels on asymmetric CPU capacity systems by commit: 9ee1cda5 ("sched/core: Enable SD_BALANCE_WAKE for asymmetric capacity systems") to enable the use of find_idlest_cpu() and friends to find an appropriate CPU for tasks. That responsibility has now been shifted to select_idle_sibling() and friends, and hence the flag can be removed. Note that this causes asymmetric CPU capacity systems to no longer enter the slow wakeup path (find_idlest_cpu()) on wakeups - only on execs and forks (which is aligned with all other mainline topologies). Signed-off-by:Morten Rasmussen <morten.rasmussen@arm.com> [Changelog tweaks] Signed-off-by:
Valentin Schneider <valentin.schneider@arm.com> Signed-off-by:
Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by:
Ingo Molnar <mingo@kernel.org> Signed-off-by:
Thomas Gleixner <tglx@linutronix.de> Reviewed-by:
Quentin Perret <qperret@google.com> Link: https://lkml.kernel.org/r/20200206191957.12325-3-valentin.schneider@arm.com
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