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SubjectRe: [PATCH] x86/PCI: never allocate PCI MMIO resources below BIOS_END
On 23/04/10 17:05 -0600, Bjorn Helgaas wrote:
>On Wednesday 21 April 2010 01:31:20 pm Andy Isaacson wrote:
>> On Tue, Apr 20, 2010 at 10:33:50PM -0700, Yinghai wrote:
>> > Update e820 at first, and later put them resource tree.
>> > Reserved that early, will not be allocated to unassigned PCI BAR
>> >
>> > v3: remove probe_roms() that is not needed, because whole range is reserved
>> > already
>> Test booted this patch series on the problematic t3400, seems to work
>> fine. dmesg attached to bug 15744.
>Thanks for testing (again). I'm not confident that this series is
>going to be successful, so I started looking for other approaches.
>I can't reproduce the exact problem you're seeing, but in my
>kludged-up attempt, the patch below is enough to keep us from
>assigning the space below 1MB to a device.
>Would you guys (Andy & Andy, what a coincidence :-)) mind giving
>it a try? This is intended to work on top of current upstream,
>with no other patches required.

Good news- that solved it. I tried Yinghai's patches saturday to no
avail (sorry it took me so long to get back to you, I was about 5 bios
revisions behind on this machine and wanted to update it before I
tried any more tests).


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