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From: Bob Liu <bob.liu@oracle.com>
To: "Roger Pau Monné" <roger.pau@citrix.com>
Cc: Rafal Mielniczuk <Rafal.Mielniczuk@citrix.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Marcus Granado <marcus.granado@citrix.com>,
	"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
	Julien Grall <julien.grall@citrix.com>,
	"justing@spectralogic.com" <justing@spectralogic.com>,
	Paul Durrant <Paul.Durrant@citrix.com>,
	David Vrabel <david.vrabel@citrix.com>
Subject: Re: [PATCH 3/3] xen/block: add multi-page ring support
Date: Mon, 22 Jun 2015 09:20:04 +0800	[thread overview]
Message-ID: <558762C4.2000002__40572.2764241093$1434936157$gmane$org@oracle.com> (raw)
In-Reply-To: <5576F325.5050304@citrix.com>


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

  parent reply	other threads:[~2015-06-22  1:20 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-03  5:40 [PATCH 1/3] drivers: xen-blkback: delay pending_req allocation to connect_ring Bob Liu
2015-06-03  5:40 ` [PATCH 2/3] driver: xen-blkfront: move talk_to_blkback to a more suitable place Bob Liu
2015-06-03  5:40 ` Bob Liu
2015-06-03  5:40 ` [PATCH 3/3] xen/block: add multi-page ring support Bob Liu
2015-06-09  8:50   ` Bob Liu
2015-06-09  8:50   ` Bob Liu
2015-06-09  8:52     ` Paul Durrant
2015-06-09  8:52     ` Paul Durrant
2015-06-09 13:39       ` Konrad Rzeszutek Wilk
2015-06-09 13:39       ` Konrad Rzeszutek Wilk
2015-06-09 13:48         ` Bob Liu
2015-06-09 13:48         ` Bob Liu
2015-06-09 14:07         ` Roger Pau Monné
2015-06-09 14:21           ` Konrad Rzeszutek Wilk
2015-06-19 20:12             ` [Xen-devel] " Konrad Rzeszutek Wilk
2015-06-19 20:12               ` Konrad Rzeszutek Wilk
2015-06-09 14:21           ` Konrad Rzeszutek Wilk
2015-06-22  1:20           ` Bob Liu [this message]
2015-06-22  1:20           ` Bob Liu
2015-06-22 13:47             ` Konrad Rzeszutek Wilk
2015-06-22 13:47             ` Konrad Rzeszutek Wilk
2015-06-22 13:56             ` [PATCH] drivers: xen-blkfront: only talk_to_blkback() when in XenbusStateInitialising Konrad Rzeszutek Wilk
2015-06-22 14:06               ` Konrad Rzeszutek Wilk
2015-06-22 14:06               ` Konrad Rzeszutek Wilk
2015-06-23  6:23               ` [Xen-devel] " Jan Beulich
2015-06-23 11:57                 ` Konrad Rzeszutek Wilk
2015-06-23 11:57                 ` Konrad Rzeszutek Wilk
2015-06-23  6:23               ` Jan Beulich
2015-06-22 13:56             ` Konrad Rzeszutek Wilk
2015-06-23 12:51             ` [PATCH 3/3] xen/block: add multi-page ring support Marcus Granado
2015-06-23 12:51             ` Marcus Granado
2015-06-09 14:07         ` Roger Pau Monné
2015-06-03  5:40 ` Bob Liu

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