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

[Jinjie Ruan]

在 2026/7/7 1:39, Will Deacon 写道:
> Hi Jinjie,
> 
> 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.

Hi Will,

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.

Best regards,
Jinjie

> 
> Since you've added patches in this series that try to tackle these
> problems, I'll reply on those two so we can figure out how we would like
> to proceed.
> 
> Cheers,
> 
> Will