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Date: Mon, 25 Oct 2010 16:21:43 -0700 From: Jeremy Fitzhardinge <jeremy@...p.org> To: "H. Peter Anvin" <hpa@...or.com> CC: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, Ian Campbell <ian.campbell@...rix.com>, Stefano Stabellini <Stefano.Stabellini@...citrix.com>, linux-kernel@...r.kernel.org, mingo@...e.hu, xen-devel@...ts.xensource.com, tglx@...utronix.de Subject: Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead of open-coding an IRQ allocator. On 10/25/2010 04:05 PM, H. Peter Anvin wrote: > On 10/25/2010 04:03 PM, Jeremy Fitzhardinge wrote: >> What? Why? How? Surely if we're asking the irq subsystem to allocate >> us an irq, it will return a fresh never-before-used (and certainly not >> shared) irq? Shared irqs only make sense if multiple devices are >> actually sharing, say, a wire on the board. >> >> Or am I missing something? >> > I think the number is not necessarily "never before used", but rather > "not currently used". Yeah, that's what I meant. J -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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