linux-kernel - Re: [RFC PATCH v2] genirq/cpuhotpug: notify of irq affinity change for offlined cpu.

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Message-ID: <87y0m1eufo.ffs@tglx>
Date: Tue, 13 Jan 2026 10:24:59 +0100
From: Thomas Gleixner <tglx@...nel.org>
To: Imran Khan <imran.f.khan@...cle.com>
Cc: linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2] genirq/cpuhotpug: notify of irq affinity change
 for offlined cpu.

On Tue, Jan 13 2026 at 10:24, Thomas Gleixner wrote:
> On Sat, Jan 03 2026 at 00:53, Imran Khan wrote:
>> +			if (affinity_broken && desc->affinity_notify) {
>> +				kref_get(&desc->affinity_notify->kref);
>> +				if (!schedule_work(&desc->affinity_notify->work)) {
>> +					/* Work was already scheduled, drop our extra ref */
>> +					kref_put(&desc->affinity_notify->kref,
>> +					desc->affinity_notify->release);
>> +				}
>> +			}
>
> No, we are not doing random copy&pasta.
>
> Split out the functionality into a function and use it both here and in
> irq_set_affinity_locked().

And while at it you might fix the typos in subject and change log.