Messages in this thread | | | Date | Fri, 3 Mar 2023 19:11:09 -0800 | From | "Paul E. McKenney" <> | Subject | Re: [PATCH 2/3] softirq: avoid spurious stalls due to need_resched() |
| |
On Fri, Mar 03, 2023 at 05:39:21PM -0800, Jakub Kicinski wrote: > On Fri, 3 Mar 2023 17:25:35 -0800 Paul E. McKenney wrote: > > > Just to be sure - have you seen Peter's patches? > > > > > > git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git core/softirq > > > > > > I think it feeds the time limit to the callback from softirq, > > > so the local 3ms is no more? > > > > I might or might not have back in September of 2020. ;-) > > > > But either way, the question remains: Should RCU_SOFTIRQ do time checking > > in ksoftirqd context? Seems like the answer should be "yes", independently > > of Peter's patches. > > :-o I didn't notice, I thought that's from Dec 22, LWN was writing > about Peter's rework at that point. I'm not sure what the story is :( > And when / if any of these changes are coming downstream.
Not a problem either way, as the compiler would complain bitterly about the resulting merge conflict and it is easy to fix. ;-)
Thanx, Paul
| |