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From: Michal Hocko <mhocko@kernel.org>
To: Ran Wang <ran.wang_1@nxp.com>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Vlastimil Babka <vbabka@suse.cz>,
	Andrew Morton <akpm@linux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Reza Arbab <arbab@linux.vnet.ibm.com>,
	Yasuaki Ishimatsu <yasu.isimatu@gmail.com>,
	"qiuxishi@huawei.com" <qiuxishi@huawei.com>,
	Igor Mammedov <imammedo@redhat.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>, Leo Li <leoyang.li@nxp.com>,
	Xiaobo Xie <xiaobo.xie@nxp.com>
Subject: Re: [PATCH 1/2] mm: drop migrate type checks from has_unmovable_pages
Date: Tue, 14 Nov 2017 08:06:34 +0100
Message-ID: <20171114070634.zoh75rakg57uhd3j@dhcp22.suse.cz> (raw)
In-Reply-To: <AM3PR04MB1489AD776D0539665B108A04F1280@AM3PR04MB1489.eurprd04.prod.outlook.com>

On Tue 14-11-17 06:10:00, Ran Wang wrote:
[...]
> > > This drop cause DWC3 USB controller fail on initialization with
> > > Layerscaper processors (such as LS1043A) as below:
> > >
> > > [    2.701437] xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned
> > bus number 1
> > > [    2.710949] cma: cma_alloc: alloc failed, req-size: 1 pages, ret: -16
> > > [    2.717411] xhci-hcd xhci-hcd.0.auto: can't setup: -12
> > > [    2.727940] xhci-hcd xhci-hcd.0.auto: USB bus 1 deregistered
> > > [    2.733607] xhci-hcd: probe of xhci-hcd.0.auto failed with error -12
> > > [    2.739978] xhci-hcd xhci-hcd.1.auto: xHCI Host Controller
> > >
> > > And I notice that someone also reported to you that DWC2 got affected
> > > recently, so do you have the solution now?
> > 
> > Yes. It should be in linux-next. Have a look at the following email
> > thread:
> > https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flkml.
> > kernel.org%2Fr%2F20171104082500.qvzbb2kw4suo6cgy%40dhcp22.suse.cz&
> > data=02%7C01%7Cran.wang_1%40nxp.com%7C5e73c6a941fc4f1c10e708d52
> > a860c5b%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636461677
> > 583607877&sdata=zlRxJ4LZwOBsit5qRx9yFT5qfP54wZ0z6G1z%2Bcywf5g%3D
> > &reserved=0

I really have no idea where the above link came from because my email
had a reference to http://lkml.kernel.org/r/20171104082500.qvzbb2kw4suo6cgy@dhcp22.suse.cz
Has your email client modified the original email?

> Thanks for your info, although I fail to open the link you shared, but I got patch
> from my colleague and the issue got fix on my side, let you know, thanks.

Thanks for your testing anyway. Can I assume your Tested-by?
-- 
Michal Hocko
SUSE Labs

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Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <AM3PR04MB14892A9D6D2FBCE21B8C1F0FF12B0@AM3PR04MB1489.eurprd04.prod.outlook.com>
2017-11-13  7:33 ` Ran Wang
2017-11-13 11:02   ` Michal Hocko
2017-11-14  6:10     ` Ran Wang
2017-11-14  7:06       ` Michal Hocko [this message]
2017-11-14  7:45         ` Ran Wang
2017-10-13 11:58 [PATCH 1/2] mm, memory_hotplug: do not fail offlining too early Michal Hocko
2017-10-13 12:00 ` [PATCH 1/2] mm: drop migrate type checks from has_unmovable_pages Michal Hocko
2017-10-17 11:41   ` Michael Ellerman
2017-10-17 12:03     ` Michal Hocko
2017-10-17 13:02   ` Vlastimil Babka
2017-10-19  2:51   ` Joonsoo Kim
2017-10-19  7:15     ` Michal Hocko
2017-10-19  7:33       ` Joonsoo Kim
2017-10-19  8:20         ` Michal Hocko
2017-10-19 12:21           ` Michal Hocko
2017-10-20  2:13             ` Joonsoo Kim
2017-10-20  5:59               ` Michal Hocko
2017-10-20  6:50                 ` Joonsoo Kim
2017-10-20  7:02                   ` Michal Hocko
2017-10-23  5:23                     ` Joonsoo Kim
2017-10-23  8:10                       ` Michal Hocko
2017-10-24  4:44                         ` Joonsoo Kim
2017-10-24  7:44                           ` Michal Hocko
2017-10-24  8:12                           ` Vlastimil Babka
2017-10-24 12:25                             ` Michal Hocko
2017-10-26  2:47                             ` Joonsoo Kim
2017-10-26  7:41                               ` Michal Hocko
2017-10-20  7:22               ` Xishi Qiu
2017-10-20  8:17                 ` Michal Hocko
2017-10-23  5:26                   ` Joonsoo Kim
2017-10-26 13:04             ` Vlastimil Babka
2017-10-26 13:59             ` Michal Hocko

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