linux-kernel - Re: [v3.4-rc1] ACPI regression bisected

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Date:	Wed, 18 Apr 2012 10:24:13 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Paul Bolle <pebolle@...cali.nl>, Andi Kleen <ak@...ux.intel.com>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Jörg Otte <jrg.otte@...glemail.com>,
	LKML <linux-kernel@...r.kernel.org>, Len Brown <lenb@...nel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [v3.4-rc1] ACPI regression bisected

On Wed, Apr 18, 2012 at 3:29 AM, Thomas Gleixner <tglx@...utronix.de> wrote:
>
> Linus, can you please apply directly?

Applied. Can we perhaps also make request_threaded_irq() noisily
reject things that are not marked IRQF_ONESHOT and have a NULL
low-level handler?

That still allows people to do IRQF_SHARED | IRQF_ONESHOT, and that
won't be rejected until somebody else actually tries to share it. Then
it breaks that somebody else ;(

Sadly, that would tend to break fairly silently.

I wonder if we should make the mismatch error printout be
unconditional (and make just the "dump_stack()" part be conditional on
CONFIG_DEBUG_SHIRQ)?

                 Linus
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