linux-kernel - Re: [PATCH] genirq: Provide IRQCHIP_ONESHOT_EDGE

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Message-ID: <alpine.DEB.2.20.1708010838210.1919@nanos>
Date:   Tue, 1 Aug 2017 08:39:52 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>
cc:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Marc Zyngier <marc.zyngier@....com>
Subject: Re: [PATCH] genirq: Provide IRQCHIP_ONESHOT_EDGE_SAFE

On Tue, 1 Aug 2017, Benjamin Herrenschmidt wrote:
> On Mon, 2017-07-31 at 21:33 +0200, Thomas Gleixner wrote:
> > If an interrupt chip is marked IRQCHIP_ONESHOT_SAFE it signals that the
> > interrupt chip does not require the ONESHOT mode for threaded
> > interrupts. Unfortunately this is applied independent of the interrupt type
> > (edge/level).
> > 
> > The powerpc XPIC wants this functionality only for edge type
> > interrupts. Provide a new flag which provides the same functionality
> > restricted to edge type interrupts.
> 
> Thanks ! I'll test that asap (got pulled into another emergency so it
> might take a day or two).

I'm not around til Aug. 14th, so feel free to route it Linuswards directly.

Thanks,

	tglx