[RFC PATCH 0/4] softirq: Per vector threading v3

Frederic Weisbecker
2018-01-19T15:46:31Z

As per Linus suggestion, this take doesn't limit the number of occurences
per jiffy anymore but instead defers a vector to workqueues as soon as
it gets re-enqueued on IRQ tail.

No tunable here, so testing should be easier.

git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
softirq/thread-v3

HEAD: 6835e92cbd70ef4a056987d2e1ed383b294429d4

Thanks,
Frederic
---

Frederic Weisbecker (4):
softirq: Limit vector to a single iteration on IRQ tail
softirq: Per vector deferment to workqueue
softirq: Defer to workqueue when rescheduling is needed
softirq: Replace ksoftirqd with workqueues entirely

Documentation/RCU/stallwarn.txt | 4 +-
include/linux/interrupt.h | 7 +-
kernel/sched/cputime.c | 12 +--
kernel/sched/sched.h | 4 +-
kernel/softirq.c | 223 +++++++++++++++++++++++-----------------
net/ipv4/tcp_output.c | 5 +-
6 files changed, 144 insertions(+), 111 deletions(-)