From: Felipe Balbi <balbi@ti.com>
To: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Cc: Thomas Gleixner <tglx@linutronix.de>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] irq: track the owner of irq descriptor
Date: Mon, 11 Jul 2011 13:26:09 +0300 [thread overview]
Message-ID: <20110711102608.GW2680@legolas.emea.dhcp.ti.com> (raw)
In-Reply-To: <20110711101731.GA13804@Chamillionaire.breakpoint.cc>
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Hi,
On Mon, Jul 11, 2011 at 12:17:31PM +0200, Sebastian Andrzej Siewior wrote:
> Since those functions can be called from within modules we should ensure
> that nobody is going to free this module while someone is using an irq via
> requst_.*irq() and still using them.
> A reference is hold in request irq and released on free irq.
>
> Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
This is very good news, I was waiting for that to start changing how
MUSB allocates and frees endpoints. I wanted to have per-endpoint IRQ
handlers and this will help achieve that ;-)
--
balbi
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next prev parent reply other threads:[~2011-07-11 10:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-11 10:17 Sebastian Andrzej Siewior
2011-07-11 10:26 ` Felipe Balbi [this message]
2011-07-28 9:40 ` [tip:irq/urgent] irq: Track " tip-bot for Sebastian Andrzej Siewior
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