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Message-ID: <CAE9FiQXApZzqLSdLUYK-FcKmg=QeFFL1CpTocWudsAxct0MUKg@mail.gmail.com> Date: Tue, 20 Oct 2015 17:03:44 -0700 From: Yinghai Lu <yinghai@...nel.org> To: Khalid Aziz <khalid.aziz@...cle.com> Cc: Bjorn Helgaas <helgaas@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, David Miller <davem@...emloft.net>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Wei Yang <weiyang@...ux.vnet.ibm.com>, TJ <linux@....tj>, Yijing Wang <wangyijing@...wei.com>, "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: [PATCH v7 02/60] sparc/PCI: Use correct bus address to resource offset On Tue, Oct 20, 2015 at 4:51 PM, Khalid Aziz <khalid.aziz@...cle.com> wrote: > On 10/20/2015 02:34 PM, Yinghai Lu wrote: >> >> On Tue, Oct 20, 2015 at 1:07 PM, Khalid Aziz <khalid.aziz@...cle.com> >> wrote: >>>> >>>> I don't want to argue about pci_resource_to_user() right now, so I >>>> guess you can just panic if the mem64 offset is different from the >>>> mem32 offset. But you should at least add a comment about why you're >>>> doing that. Otherwise it looks like you were just lazy. >> >> >> I had one version for that, but it has big change to >> __pci_mmap_make_offset_bus >> for making pci_mmap_resource() working. >> And took it for granted that MEM/MEM64 should have same offet. >> >>> >>> >>> I just hit this condition on a sparc platform where mem32 offset != mem64 >>> offset. We need to handle this case, and not just call panic. I had not >>> seen >>> this on 5 platforms and another 3 ldoms I had tested this on when I >>> tested >>> this code earlier. I have sent panic log to Yinghai separately. >> >> >> Did you get test result with updated patch2 and patch3? >> > > Hi Yinghai, > > The failing T4 booted up with updated patches. > Thanks, will post updated patch2 and patches3 and patch 4 with pcibios_bus_to_resource as Bjorn requested. Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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