Re: [Xen-devel] [PATCH v4 1/4] VT-d PI: track the vcpu number on pi blocking list

[Chao Gao <chao.gao@xxxxxxxxx>]

On Fri, Jul 07, 2017 at 09:41:18AM -0600, Jan Beulich wrote:
>>>> On 07.07.17 at 08:48, <chao.gao@xxxxxxxxx> wrote:
>> This patch adds a field, counter, in struct vmx_pi_blocking_vcpu to track
>> how many entries are on the pi blocking list.
>> 
>> Signed-off-by: Chao Gao <chao.gao@xxxxxxxxx>
>
>Looks okay now, but didn't you have ASSERT()s in place earlier
>on checking the counter isn't zero before decrements or after
>increments?

No, I didn't. But I obtained the list length from xentrace and
the counter was always equal or greater than 0. I will check
the counter in next version.

Thanks
Chao

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