Hi Michal, > -----Original Message----- > From: Michal Hocko [mailto:mho...@kernel.org] > Sent: Tuesday, November 14, 2017 3:07 PM > To: Ran Wang <ran.wan...@nxp.com> > Cc: linux...@kvack.org; Michael Ellerman <m...@ellerman.id.au>; Vlastimil > Babka <vba...@suse.cz>; Andrew Morton <a...@linux-foundation.org>; > KAMEZAWA Hiroyuki <kamezawa.hir...@jp.fujitsu.com>; Reza Arbab > <ar...@linux.vnet.ibm.com>; Yasuaki Ishimatsu <yasu.isim...@gmail.com>; > qiuxi...@huawei.com; Igor Mammedov <imamm...@redhat.com>; Vitaly > Kuznetsov <vkuzn...@redhat.com>; LKML <linux-kernel@vger.kernel.org>; > Leo Li <leoyang...@nxp.com>; Xiaobo Xie <xiaobo....@nxp.com> > Subject: Re: [PATCH 1/2] mm: drop migrate type checks from > has_unmovable_pages > > 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 > 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%7C9b452e62f11e446d12b408d5 > 2b2e4014%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C63646239 > 9997608449&sdata=S9MPhGyIUiYCJdVYMh3DAHAEytu%2Fu45BB%2BcMhO% > 2BP3Qo%3D&reserved=0 > 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? Yes, please.
BR Ran > -- > Michal Hocko > SUSE Labs
