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Re: [Xen-devel] On setting clear criteria for declaring a feature acceptable (was "vmx: VT-d posted-interrupt core logic handling")
- To: George Dunlap <george.dunlap@xxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>
- From: David Vrabel <david.vrabel@xxxxxxxxxx>
- Date: Wed, 9 Mar 2016 18:02:22 +0000
- Cc: Lars Kurth <lars.kurth@xxxxxxxxxx>, Kevin Tian <kevin.tian@xxxxxxxxx>, Feng Wu <feng.wu@xxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Dario Faggioli <dario.faggioli@xxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>
- Delivery-date: Wed, 09 Mar 2016 18:03:29 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On 09/03/16 16:23, George Dunlap wrote:
>
> I don't know why this is controversial -- this seems obvious to me.
> What do other committers / maintainers think?
I started on a reply to this but then I went back and read the original
thread...
+ /*
+ * XXX: The length of the list depends on how many vCPU is current
+ * blocked on this specific pCPU. This may hurt the interrupt
+ * latency if the list grows to too many entries.
+ */
Even the original author knows that there's a problem here, so in this
case George, I think you are unfairly criticizing Jan.
David
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