linux-kernel - Re: stable-rc linux-6.6.y: Queues: tinyconfig: undefined reference to `irq_work

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Message-ID: <20241025065133.oMP0jTDx@linutronix.de>
Date: Fri, 25 Oct 2024 08:51:33 +0200
From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To: Naresh Kamboju <naresh.kamboju@...aro.org>
Cc: linux-stable <stable@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>, rcu <rcu@...r.kernel.org>,
	Anders Roxell <anders.roxell@...aro.org>,
	Dan Carpenter <dan.carpenter@...aro.org>,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Sasha Levin <sashal@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: stable-rc linux-6.6.y: Queues: tinyconfig: undefined reference
 to `irq_work_queue'

On 2024-10-24 22:56:53 [+0530], Naresh Kamboju wrote:
> On Thu, 24 Oct 2024 at 20:11, Naresh Kamboju <naresh.kamboju@...aro.org> wrote:
> >
> > Most of the tinyconfigs are failing on stable-rc linux-6.6.y.
> >
> > Build errors:
> > --------------
> > aarch64-linux-gnu-ld: kernel/task_work.o: in function `task_work_add':
> > task_work.c:(.text+0x190): undefined reference to `irq_work_queue'
> > task_work.c:(.text+0x190): relocation truncated to fit:
> > R_AARCH64_CALL26 against undefined symbol `irq_work_queue'
> 
> Anders bisected this regression and found,
> # first bad commit:
>   [63ad09867ee1affe4b7a5914deeb031d5b4c0be2]
>   task_work: Add TWA_NMI_CURRENT as an additional notify mode.
>   [ Upstream commit 466e4d801cd438a1ab2c8a2cce1bef6b65c31bbb ]

Would you mind to cherry-pick
	cec6937dd1aae ("task_work: make TWA_NMI_CURRENT handling conditional on IRQ_WORK")

I'm able to to build the arm64 tinyconfig on the queue/6.6 branch with
this (while it fails without).

> - Naresh

Sebastian