[Re: [linux-yocto] [PATCH v5.10 0/1] Add ACPI fixup for rcu_nocb/nohz "N" alias] On 10/05/2021 (Mon 23:03) Bruce Ashfield wrote:
> In message: [PATCH v5.10 0/1] Add ACPI fixup for rcu_nocb/nohz "N" alias > on 07/05/2021 Paul Gortmaker wrote: > > > Bruce, Yocto kernel folks, > > > > This is a fixup to reconcile the nohz behaviour with the rcu_nocbs > > behaviour when the "N" alias is used for NR_CPUS. > > > > It works in conjunction with the earlier Yocto-5.10 series here: > > > > https://lists.yoctoproject.org/g/linux-yocto/message/9604 > > > > The fix has been in linux-next since April 22nd (and hence has no obvious > > issues) and is on its way to inclusion in mainline via paulmck: > > > > https://lore.kernel.org/lkml/20210422212448.GJ975577@paulmck-ThinkPad-P17-Gen-1/ > > > > ...but as we both know, the opening of the v5.14 merge window is > > roughly two months away, so I'd like to accelerate the fix into Yocto's > > v5.10 kernel now, rather than wait for mainline. > > > > If somehow some issue does crop up between now and mainline, I will of > > course re-align our Yocto v5.10 tree to match what lands in mainline. > > merged to v5.10/standard/* > > The next refernce kernel (spring release) will likely be 5.13 based, so > we'll want to queue up a port to those kernels as well, if they end up > being of interest. The mainline v5.13 has the content from message/9604 above already, so in theory I can route this fix through linux-stable for v5.13 backport around the time v5.13 finalizes and v5.14 opens and takes this fix into mainline -- making it one less thing you have to futz with. P. -- > > Bruce > > > > > Thanks, > > Paul. > > > > --- > > > > Paul Gortmaker (1): > > sched/isolation: reconcile rcu_nocbs= and nohz_full= > > > > kernel/sched/isolation.c | 4 +--- > > 1 file changed, 1 insertion(+), 3 deletions(-) > > > > -- > > 2.25.1 > > > > >
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