Messages in this thread | | | Date | Fri, 23 Apr 2010 16:44:09 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] x86/PCI: never allocate PCI MMIO resources below BIOS_END |
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On 04/23/2010 04:05 PM, 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. >
This certainly wins from a simplicity standpoint!
-hpa
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