Messages in this thread | | | Date | Tue, 5 May 2009 11:52:48 -0700 | From | Jesse Barnes <> | Subject | Re: [PATCH 1/4] pci/x86: don't assume pref memio are 64bit -v4 |
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On Thu, 23 Apr 2009 20:48:32 -0700 Yinghai Lu <yinghai@kernel.org> wrote:
> > we should not assign 64bit range to pci device that only take 32bit > pref > > try to set IORESOURCE_MEM_64 in 64bit resource of > pci_device/pci_bridge and make the bus resource only have that bit > set when all device under that do support 64bit pref mem then use > that flag to allocate resource in wanted area > > v2: fix b_res->flags and logic and passing result. > v3: split iomem to iomem32, iomem64, and iomem64 will take > IORESOURCE_MEM_64 V4: according to Ivan > make it support x86 only, by PCIBIOS_MAX_MEM_32 > double check if the bridge does support pref mem64 with > write/read UPPER32 > > [Impact: do assign wrong range to device that doesn't support it]
Thanks a lot Yinghai & Ivan, I applied 1 & 2 (the other 2 e820 patches should go through Ingo), they're in my linux-next branch.
-- Jesse Barnes, Intel Open Source Technology Center
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