From: Jinjie Ruan <ruanjinjie@huawei.com>
To: Will Deacon <will@kernel.org>
Cc: <catalin.marinas@arm.com>, <tsbogend@alpha.franken.de>,
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Subject: Re: [PATCH v3 00/12] arm64: Add HOTPLUG_PARALLEL support for secondary CPUs
Date: Mon, 31 Aug 2026 11:18:47 +0800 [thread overview]
Message-ID: <110d75e9-1580-42d3-b137-89bdad22b80a@huawei.com> (raw)
In-Reply-To: <akvoN5vvQaW3MdmI@willie-the-truck>
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
next prev parent reply other threads:[~2026-08-31 3:18 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-24 9:25 Jinjie Ruan
2026-06-24 9:25 ` [PATCH v3 01/12] cpu/hotplug: Introduce CONFIG_HOTPLUG_PARALLEL_SMT Jinjie Ruan
2026-06-24 9:25 ` [PATCH v3 02/12] cpu/hotplug: Propagate bring-up status to arch_cpuhp_cleanup_kick_cpu() Jinjie Ruan
2026-06-24 9:25 ` [PATCH v3 03/12] arm64: smp: Tidy up smp_prepare_cpus() Jinjie Ruan
2026-06-24 9:25 ` [PATCH v3 04/12] arm64: smp: Tidy up cpuinfo init and cpufeature updates Jinjie Ruan
2026-06-24 9:25 ` [PATCH v3 05/12] arm64: smp: Defer RCU registration during secondary CPU bringup Jinjie Ruan
2026-07-06 17:39 ` Will Deacon
2026-07-07 3:02 ` Jinjie Ruan
2026-07-07 10:27 ` Will Deacon
2026-07-08 9:13 ` Jinjie Ruan
2026-06-24 9:25 ` [PATCH v3 06/12] arm64: smp: Use generic HOTPLUG_SPLIT_STARTUP machinery for CPU onlining Jinjie Ruan
2026-06-24 9:25 ` [PATCH v3 07/12] arm64: cpu_ops: Make 'cpu_operations' pointer global instead of per-cpu Jinjie Ruan
2026-06-24 9:25 ` [PATCH v3 08/12] arm64: cpu_ops: Introduce get_secondary_cpu_ops() Jinjie Ruan
2026-06-24 9:25 ` [PATCH v3 09/12] arm64: cpufeature: Ensure atomic updates to system_cpucaps bitmap Jinjie Ruan
2026-07-06 17:40 ` Will Deacon
2026-07-07 3:24 ` Jinjie Ruan
2026-07-08 10:01 ` Jinjie Ruan
2026-06-24 9:25 ` [PATCH v3 10/12] arm64: smp: Pass CPU ID to update_cpu_boot_status() Jinjie Ruan
2026-06-24 9:25 ` [PATCH v3 11/12] arm64: smp: Rework early boot data into per-CPU arrays Jinjie Ruan
2026-06-24 9:25 ` [PATCH v3 12/12] arm64: Add HOTPLUG_PARALLEL support for secondary CPUs Jinjie Ruan
2026-07-07 4:00 ` Jinjie Ruan
2026-07-07 10:30 ` Will Deacon
2026-06-24 12:16 ` [PATCH v3 00/12] " Will Deacon
2026-06-24 14:59 ` Borislav Petkov
2026-06-25 1:34 ` Jinjie Ruan
2026-07-06 17:39 ` Will Deacon
2026-07-07 8:14 ` Jinjie Ruan
2026-07-07 10:37 ` Will Deacon
2026-07-08 9:36 ` Jinjie Ruan
2026-07-09 11:45 ` Jinjie Ruan
2026-08-31 3:18 ` Jinjie Ruan [this message]
2026-09-01 10:25 ` Will Deacon
2026-06-29 4:04 ` Shrikanth Hegde
2026-07-09 11:20 ` Jinjie Ruan
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