Re: [PATCH 3/3 v2] Revert "rcu/nocb: Fix rcuog wake-up from offline softirq"

2024-12-30 Thread Usama Arif
related hackery. > > Signed-off-by: Frederic Weisbecker Reviewed-by: Usama Arif

Re: [PATCH 2/3 v2] rcu: Remove swake_up_one_online() bandaid

2024-12-30 Thread Usama Arif
ff-by: Frederic Weisbecker Reviewed-by: Usama Arif

Re: [PATCH 1/3 v2] hrtimers: Force migrate away hrtimers queued after CPUHP_AP_HRTIMERS_DYING

2024-12-30 Thread Usama Arif
cture instead: always migrate away a > timer to an online target whenever it is enqueued from an offline CPU. > > This will also allow to revert all the above RCU disgraceful hacks. > > Reported-by: Reported-by: Vlad Poenaru > Reported-by: Usama Arif > Fixes: 5c0

Re: [PATCH 1/3] hrtimers: Force migrate away hrtimers queued after CPUHP_AP_HRTIMERS_DYING

2024-12-19 Thread Usama Arif
cture instead: always migrate away a > timer to an online target whenever it is enqueued from an offline CPU. > > This will also allow us to revert all the above RCU disgraceful hacks. > > Reported-by: Reported-by: Vlad Poenaru > Reported-by: Usama Arif > Fixes: 5c093

[RFC 0/1] sched: defer completion task to online CPU

2024-12-13 Thread Usama Arif
feedback on how this could be reproduced, if the RFC makes sense or if there is another way to solve this. Thanks! [1] https://lore.kernel.org/all/20240913214205.12359-2-frede...@kernel.org/ [2] https://lore.kernel.org/all/169972295552.3135.1094880886431606890.tip-bot2@tip-bot2/ Usama Arif (1)

[RFC 1/1] sched: defer completion task to online CPU

2024-12-13 Thread Usama Arif
l.org/all/20240913214205.12359-2-frede...@kernel.org/ [2] https://lore.kernel.org/all/169972295552.3135.1094880886431606890.tip-bot2@tip-bot2/ Reported-by: Vlad Poenaru Signed-off-by: Usama Arif --- kernel/sched/completion.c | 25 - 1 file changed, 24 insertions(+), 1 deletion