Hey folks, This is a resubmission of Mark's patch [1]. I didn't end up changing anything other than fluffing up the changelog. I ran this under an arm64 VM, added some trace_printk's and checked that sched_switch's between runnable hackbench threads would occurr in the right conditions: o with TIF_NEED_RESCHED_LAZY set o at the tick o at do_notify_resume() o with TIF_NEED_RESCHED set [1]: https://lore.kernel.org/linux-rt-users/Z2B5y3HiLuRHPfdv@xxxxxxxxxxxxxxxxxxxxxxxxxxxx/ Cheers, Valentin Mark Rutland (1): arm64: enable PREEMPT_LAZY arch/arm64/Kconfig | 1 + arch/arm64/include/asm/thread_info.h | 16 +++++++++------- arch/arm64/kernel/entry-common.c | 2 +- 3 files changed, 11 insertions(+), 8 deletions(-) -- 2.43.0
