Hi, > -----邮件原件----- > 发件人: Lu Baolu [mailto:baolu...@linux.intel.com] > 发送时间: 2019年12月25日 10:38 > 收件人: Jim,Yan <jim...@baidu.com>; Jerry Snitselaar <jsnit...@redhat.com> > 抄送: baolu...@linux.intel.com; iommu@lists.linux-foundation.org; > linux-ker...@vger.kernel.org > 主题: Re: 答复: 答复: 答复: 答复: 答复: [PATCH] iommu/vt-d: Don't reject > nvme host due to scope mismatch > > Hi, > > On 12/25/19 10:05 AM, Jim,Yan wrote: > > Hi, > > > >> -----邮件原件----- > >> 发件人: Lu Baolu [mailto:baolu...@linux.intel.com] > >> 发送时间: 2019年12月25日 10:01 > >> 收件人: Jim,Yan <jim...@baidu.com>; Jerry Snitselaar > >> <jsnit...@redhat.com> > >> 抄送: iommu@lists.linux-foundation.org; linux-ker...@vger.kernel.org > >> 主题: Re: 答复: 答复: 答复: 答复: [PATCH] iommu/vt-d: Don't reject > nvme host > >> due to scope mismatch > >> > >> Hi, > >> > >> On 2019/12/25 9:52, Jim,Yan wrote: > >>> Hi, > >>> > >>>> -----邮件原件----- > >>>> 发件人: Lu Baolu [mailto:baolu...@linux.intel.com] > >>>> 发送时间: 2019年12月24日 19:27 > >>>> 收件人: Jim,Yan <jim...@baidu.com>; Jerry Snitselaar > >>>> <jsnit...@redhat.com> > >>>> 抄送: iommu@lists.linux-foundation.org; linux-ker...@vger.kernel.org > >>>> 主题: Re: 答复: 答复: 答复: [PATCH] iommu/vt-d: Don't reject nvme > host > >> due to > >>>> scope mismatch > >>>> > >>>> Hi, > >>>> > >>>> On 2019/12/24 16:18, Jim,Yan wrote: > >>>>>>>> For both cases, a quirk flag seems to be more reasonable, so > >>>>>>>> that unrelated devices will not be impacted. > >>>>>>>> > >>>>>>>> Best regards, > >>>>>>>> baolu > >>>>>>> Hi Baolu, > >>>>>>> Thanks for your advice. And I modify the patch as follow. > >>>>>> I just posted a patch for both NTG and NVME cases. Can you please > >>>>>> take a > >>>> look? > >>>>>> Does it work for you? > >>>>>> > >>>>>> Best regards, > >>>>>> baolu > >>>>>> > >>>>> I have tested your patch. It does work for me. But I prefer my > >>>>> second version, > >>>> it is more flexible, and may use for similar unknown devices. > >>>>> > >>>> > >>>> I didn't get your point. Do you mind explaining why it's more flexible? > >>>> > >>>> Best regards, > >>>> Baolu > >>> For example, an unknown device has a normal PCI header and bridge > >>> scope > >> and a class of PCI_CLASS_BRIDGE_PCI. > >>> These devices do have a class of PCI_BASE_CLASS_BRIDGE in common. > >> > >> This is not a common case. It's only for devices on the marketing and > >> hard for the VT-d users to get it fixed in the OEM firmware. > >> > >> Best regards, > >> Baolu > > > > Got it. Then I am OK with this patch. I have tested it yesterday. It does > > work > for me. > > Thanks. > > Can I add your Tested-by? > > Best regards, > Baolu
Yes. Of course. Best regards, Jim _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
