linux-kernel - Re: 4.15: WARNING: CPU: 3 PID: 258 at kernel/irq/chip.c:244 __irq

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Date:   Wed, 31 Jan 2018 09:21:34 +0200 (EET)
From:   Meelis Roos <mroos@...ux.ee>
To:     Thomas Gleixner <tglx@...utronix.de>
cc:     Linux Kernel list <linux-kernel@...r.kernel.org>, x86@...nel.org
Subject: Re: 4.15: WARNING: CPU: 3 PID: 258 at kernel/irq/chip.c:244
 __irq_startup+0x80/0x100

> > Your supply of vintage hardware is amazing.

:-)

> Does the patch below fix the issue for you?

  CC      kernel/irq/autoprobe.o
kernel/irq/autoprobe.c: In function ‘probe_irq_on’:
kernel/irq/autoprobe.c:74:8: error: void value not ignored as it ought to be
    if (irq_activate_and_startup(desc, IRQ_NORESEND))
        ^~~~~~~~~~~~~~~~~~~~~~~~
Just 
irq_activate_and_startup(desc, IRQ_NORESEND);

cures the warning and at least the first bootup was working otherwise 
too.

-- 
Meelis Roos (mroos@...ux.ee)