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RE: [Xen-devel] Re: xen dependant on pcpu 0 ?



>>> On 13.10.10 at 17:00, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> wrote:
>>From: Jan Beulich [mailto:JBeulich@xxxxxxxxxx] 
>>(Yunhong, you had tested the patch that introduced this, and this
>>warning would basically trigger unconditionally as it stands. Didn't
>>you notice that in your logs?)
> 
> A bit amazing to me, but I do remember I didn't notice such log.
> And seems with this bug, the patch itself should not work at all, since the 
> PBA_addr is not correct, but I do remember with attached test module, and 
> your patch, the write_vector() will cause fault.

Probably MSI-X table and PBA share a page for the device you
tested with? In that case, the code would still have worked as is
afaict.

Jan


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