Hi Russell,

From: ext Russell King <[email protected]>
Subject: Re: [PATCH 9/10] omap mailbox: OMAP4 Mailbox Patch to change the IRQ 
flag from IRQF_DISABLED to IRQF_SHARED
Date: Wed, 23 Sep 2009 11:58:15 +0200

> On Tue, Sep 22, 2009 at 08:05:09PM +0530, C.A, Subramaniam wrote:
> > Currently, this facilitates both the tesla and ducati
> > sides to request for the same irq through an
> > omap_mbox_get() call.
> 
> You're dropping IRQF_DISABLED - is this safe?  Why was the original code
> using it?  Do you need IRQF_DISABLED|IRQF_SHARED ?

I don't remember why IRQF_DISABLED was used and it might not be
necessary from the beginning. Anyway it's not necessay now since
there's no risk that other ISRs touch mailbox contents at least.
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