On Wed, Mar 05, 2025 at 11:49:24AM +0100 Valentin Schneider wrote: > 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/ > Thanks! I was looking for this the other day :) Cheers, Phil > 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 > --
