From: Jiri Slaby <jslaby@suse.cz>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Greg KH <gregkh@linuxfoundation.org>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
xen-devel@lists.xenproject.org, felipe.franciosi@citrix.com,
roger.pau@citrix.com, jerry.snitselaar@oracle.com,
axboe@kernel.dk, vkuznets@redhat.com
Subject: Re: Backport request to stable of two performance related fixes for xen-blkfront (3.13 fixes to earlier trees)
Date: Fri, 06 Jun 2014 16:03:54 +0200 [thread overview]
Message-ID: <5391CA4A.1060903@suse.cz> (raw)
In-Reply-To: <20140606140207.GA9426@localhost.localdomain>
On 06/06/2014 04:02 PM, Konrad Rzeszutek Wilk wrote:
> On Fri, Jun 06, 2014 at 06:56:57AM -0700, Greg KH wrote:
>> On Fri, Jun 06, 2014 at 12:47:07PM +0200, Jiri Slaby wrote:
>>> On 06/04/2014 07:48 AM, Greg KH wrote:
>>>> On Wed, May 14, 2014 at 03:11:22PM -0400, Konrad Rzeszutek Wilk wrote:
>>>>> Hey Greg
>>>>>
>>>>> This email is in regards to backporting two patches to stable that
>>>>> fall under the 'performance' rule:
>>>>>
>>>>> bfe11d6de1c416cea4f3f0f35f864162063ce3fa
>>>>> fbe363c476afe8ec992d3baf682670a4bd1b6ce6
>>>>
>>>> Now queued up, thanks.
>>>
>>> AFAIU, they introduce a performance regression.
>>
>> That "regression" is also in mainline, right? As Konrad doesn't seem to
>> think it matters, I'm deferring to the maintainer here.
>
> Hehe.
>
> Greg is correct - the performance regression with tmpfs/ramfs does exist
> upstream and once a fix has been established will be dealt with. Right now we
> are fousing on the 99% usage models which is solid state, rotational,
> and flash (just got one of those) and the two patches outlined above are
> needed for the stable trees.
Ok, I wanted to be sure before I take these to 3.12.
Thanks.
--
js
suse labs
prev parent reply other threads:[~2014-06-06 14:04 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-14 19:11 Backport request to stable of two performance related fixes for xen-blkfront (3.13 fixes to earlier trees) Konrad Rzeszutek Wilk
2014-05-14 19:21 ` Josh Boyer
2014-05-20 3:19 ` Greg KH
2014-05-22 12:54 ` Roger Pau Monné
2014-05-20 9:32 ` [Xen-devel] " Vitaly Kuznetsov
2014-05-20 9:54 ` Vitaly Kuznetsov
2014-05-20 10:32 ` Roger Pau Monné
2014-05-20 11:41 ` Vitaly Kuznetsov
2014-05-20 13:59 ` Felipe Franciosi
2014-05-22 8:52 ` Vitaly Kuznetsov
2014-06-04 5:48 ` Greg KH
2014-06-06 10:47 ` Jiri Slaby
2014-06-06 10:58 ` Vitaly Kuznetsov
2014-06-10 13:19 ` [Xen-devel] " Vitaly Kuznetsov
2014-06-10 16:55 ` Roger Pau Monné
2014-06-12 12:00 ` Vitaly Kuznetsov
2014-06-12 12:32 ` Felipe Franciosi
2014-06-12 15:32 ` Vitaly Kuznetsov
2014-06-20 17:06 ` Felipe Franciosi
2014-06-10 17:26 ` Felipe Franciosi
2014-06-06 13:56 ` Greg KH
2014-06-06 14:02 ` Konrad Rzeszutek Wilk
2014-06-06 14:03 ` Jiri Slaby [this message]
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