mirror of https://github.com/torvalds/linux.git
dff6584301
- More issues reported in the enable/disable paths on large machines with many tasks due to scx_tasks_lock being held too long. Break up the task iterations. - Remove ops.select_cpu() dependency in bypass mode so that a misbehaving implementation can't live-lock the machine by pushing all tasks to few CPUs in bypass mode. - Other misc fixes. -----BEGIN PGP SIGNATURE----- iIQEABYKACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCZw7SMw4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGU6+AQDZKNsyRw0c8+rd7eASAtCzvzBU1KGf3RPrsbNF pb3IGgEA4/uVBlVny10ZyeKaQ4A3L2G4ROyJwNEygUvhkvbfcgk= =z7d9 -----END PGP SIGNATURE----- Merge tag 'sched_ext-for-6.12-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext Pull sched_ext fixes from Tejun Heo: - More issues reported in the enable/disable paths on large machines with many tasks due to scx_tasks_lock being held too long. Break up the task iterations - Remove ops.select_cpu() dependency in bypass mode so that a misbehaving implementation can't live-lock the machine by pushing all tasks to few CPUs in bypass mode - Other misc fixes * tag 'sched_ext-for-6.12-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext: sched_ext: Remove unnecessary cpu_relax() sched_ext: Don't hold scx_tasks_lock for too long sched_ext: Move scx_tasks_lock handling into scx_task_iter helpers sched_ext: bypass mode shouldn't depend on ops.select_cpu() sched_ext: Move scx_buildin_idle_enabled check to scx_bpf_select_cpu_dfl() sched_ext: Start schedulers with consistent p->scx.slice values Revert "sched_ext: Use shorter slice while bypassing" sched_ext: use correct function name in pick_task_scx() warning message selftests: sched_ext: Add sched_ext as proper selftest target |
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