[PATCH v3 00/12] arm64: Add HOTPLUG_PARALLEL support for secondary CPUs

[Will Deacon]

On Mon, Aug 31, 2026 at 11:18:47AM +0800, Jinjie Ruan wrote:
> 在 2026/7/7 1:39, Will Deacon 写道:
> > On Thu, Jun 25, 2026 at 09:34:36AM +0800, Jinjie Ruan wrote:
> >> On 6/24/2026 8:16 PM, Will Deacon wrote:
> >>> Please just give me the time I asked for. If you want to help out in the
> >>> meantime, there are plenty of patches that need reviewing...
> >>
> >> It was a mistake on my part, and I sincerely apologize for wasting
> >> community review resources and disrupting your schedule.
> >>
> >> I will absolutely back off now and wait for your official series. Lesson
> >> learned. Thanks for your patience and for calling me out on this.
> > 
> > So I've mostly got the old series back on its feet:
> > 
> >   https://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git/log/?h=cpu-hotplug
> > 
> > but there are still two issues left to resolve:
> > 
> >   1. The printing that can happen before RCU has started. Although I've
> >      reduced this somewhat, there are still error paths in e.g.
> >      verify_local_cpu_capabilities() that print a message before dying.
> > 
> >   2. check_local_cpu_capabilities() can mutate the system capability
> >      state via update_cpu_capabilities(), so it's really dodgy running
> >      that prior to synchronisation.
> 
> Just a gentle ping on this. I replied to the two remaining issues
> earlier — any thoughts on my response? Happy to help test or rebase if
> that helps.

I've been preparing a series to post asap (I was waiting for the merge
window to close), but I'm also looking at some of the id register issues
that have been pointed out around rng, mpam and mte.

Will