linux-kernel - Re: [PATCH] genirq: Check irq disabled & masked states in irq

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Message-ID: <alpine.DEB.2.20.1705261519070.1902@nanos>
Date:   Fri, 26 May 2017 15:20:27 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Jeffy Chen <jeffy.chen@...k-chips.com>
cc:     linux-kernel@...r.kernel.org, briannorris@...omium.org,
        dianders@...omium.org, tfiga@...omium.org
Subject: Re: [PATCH] genirq: Check irq disabled & masked states in
 irq_shutdown

On Fri, 26 May 2017, Jeffy Chen wrote:

> If irq is already disabled and masked, we would hit a unbalanced irq
> shutdown/disable/mask when freeing it.

Errr? What exactly is unbalanced? None of the called functions has any
counter or whatever.

Can you please explain what you are trying to fix?

Thanks,

	tglx