linux-kernel - Re: REGRESSION on linux-next (next-20260115)

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Message-ID: <89de03a5-e5da-4d2e-8547-8e54ad73b324@intel.com>
Date: Wed, 21 Jan 2026 13:59:38 +0530
From: "Borah, Chaitanya Kumar" <chaitanya.kumar.borah@...el.com>
To: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
CC: <hansg@...nel.org>, "Kurmi, Suresh Kumar" <suresh.kumar.kurmi@...el.com>,
	"Saarinen, Jani" <jani.saarinen@...el.com>, "intel-gfx@...ts.freedesktop.org"
	<intel-gfx@...ts.freedesktop.org>, "intel-xe@...ts.freedesktop.org"
	<intel-xe@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
	<linux-rt-devel@...ts.linux.dev>, <sfr@...b.auug.org.au>,
	<ilpo.jarvinen@...ux.intel.com>, <regressions@...mhuis.info>
Subject: Re: REGRESSION on linux-next (next-20260115)



On 1/21/2026 1:23 PM, Sebastian Andrzej Siewior wrote:
> On 2026-01-21 12:42:16 [+0530], Borah, Chaitanya Kumar wrote:
>> commit aef30c8d569c0f31715447525640044c74feb26f
>> Author: Sebastian Andrzej Siewior bigeasy@...utronix.de
>> Date:   Mon Jan 12 14:40:13 2026 +0100
>>
>>
>>      genirq: Warn about using IRQF_ONESHOT without a threaded handler
>> `````````````````````````````````````````````````````````````````````````````````````````````````````````
>>
>> Looking at the irq register code in int0002_vgpio.c, it seems the warning
>> comes from
>>
>>          ret = devm_request_irq(dev, irq, int0002_irq,
>>                                 IRQF_ONESHOT | IRQF_SHARED, "INT0002", chip);
>>
>> Looking at the history, this flag was added by the Commit 8f812373d195
>> ("platform/x86: intel: int0002_vgpio: Pass IRQF_ONESHOT to request_irq()")
>> to resolve another issue.
>>
>> Any proposals for solving the WARN_ON?
> 
> Do you have the ACPI interrupt also on the same interrupt on the board
> in question?
> 

Looks like it.
   9:          1          0  IO-APIC   9-fasteoi   acpi, INT0002

==
Chaitanya

> Sebastian