Re: [Xen-devel] [PATCH 3/3] xen/block: add multi-page ring support

[Bob Liu <bob.liu@xxxxxxxxxx>]

On 06/09/2015 10:07 PM, Roger Pau Monné wrote:
> El 09/06/15 a les 15.39, Konrad Rzeszutek Wilk ha escrit:
...
>> Roger, I put them (patches) on devel/for-jens-4.2 on
>>
>> git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git
>>
>> I think these two patches:
>> drivers: xen-blkback: delay pending_req allocation to connect_ring
>> xen/block: add multi-page ring support
>>
>> are the only ones that haven't been Acked by you (or maybe they
>> have and I missed the Ack?)
> 
> Hello,
> 
> I was waiting to Ack those because the XenServer storage performance
> folks found out that these patches cause a performance regression on
> some of their tests. I'm adding them to the conversation so they can
> provide more details about the issues they found, and whether we should
> hold pushing this patches or not.
> 

Hey,

Are there any updates? What's the performance regression problem?

Thanks,
-Bob

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