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xen-devel
[Xen-devel] Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead
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To: |
"H. Peter Anvin" <hpa@xxxxxxxxx> |
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Subject: |
[Xen-devel] Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead of open-coding an IRQ allocator. |
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From: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Date: |
Mon, 25 Oct 2010 16:21:43 -0700 |
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Cc: |
xen-devel@xxxxxxxxxxxxxxxxxxx, Ian Campbell <ian.campbell@xxxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, mingo@xxxxxxx, tglx@xxxxxxxxxxxxx |
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Mon, 25 Oct 2010 16:22:37 -0700 |
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<4CC60D3A.1020201@xxxxxxxxx> |
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<1288023736.11153.40.camel@xxxxxxxxxxxxxxxxxxxxxx> <1288023813-31989-1-git-send-email-ian.campbell@xxxxxxxxxx> <20101025173522.GA5590@xxxxxxxxxxxx> <4CC60CB7.3070005@xxxxxxxx> <4CC60D3A.1020201@xxxxxxxxx> |
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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
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- Re: [Xen-devel] Re: [tip:irq/core] x86: xen: Sanitise sparse_irq handling, (continued)
- [Xen-devel] Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead of open-coding an IRQ allocator., Jeremy Fitzhardinge
- [Xen-devel] Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead of open-coding an IRQ allocator., H. Peter Anvin
- [Xen-devel] Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead of open-coding an IRQ allocator.,
Jeremy Fitzhardinge <=
- Re: [Xen-devel] Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead of open-coding an IRQ allocator., Konrad Rzeszutek Wilk
- Re: [Xen-devel] Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead of open-coding an IRQ allocator., Jeremy Fitzhardinge
- Re: [Xen-devel] Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead of open-coding an IRQ allocator., Konrad Rzeszutek Wilk
- Re: [Xen-devel] Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead of open-coding an IRQ allocator., Stefano Stabellini
- Re: [Xen-devel] Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead of open-coding an IRQ allocator., Sander Eikelenboom
- Re: [Xen-devel] Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead of open-coding an IRQ allocator., Stefano Stabellini
- Re: [Xen-devel] Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead of open-coding an IRQ allocator., Konrad Rzeszutek Wilk
- Re: [Xen-devel] Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead of open-coding an IRQ allocator., Jeremy Fitzhardinge
- Re: [Xen-devel] Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead of open-coding an IRQ allocator., Jeremy Fitzhardinge
- [Xen-devel] [PATCH 2/5] xen: events: turn irq_info constructors into initialiser functions, Ian Campbell
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