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Unverified Commit d5aa211b authored by Bjorn Helgaas's avatar Bjorn Helgaas Committed by Harsh Shandilya
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x86/PCI: Ignore _CRS on Supermicro X8DTH-i/6/iF/6F

commit 89e9f7bcd8744ea25fcf0ac671b8d72c10d7d790 upstream.

Martin reported that the Supermicro X8DTH-i/6/iF/6F advertises incorrect
host bridge windows via _CRS:

  pci_root PNP0A08:00: host bridge window [io  0xf000-0xffff]
  pci_root PNP0A08:01: host bridge window [io  0xf000-0xffff]

Both bridges advertise the 0xf000-0xffff window, which cannot be correct.

Work around this by ignoring _CRS on this system.  The downside is that we
may not assign resources correctly to hot-added PCI devices (if they are
possible on this system).

Link: https://bugzilla.kernel.org/show_bug.cgi?id=42606


Reported-by: default avatarMartin Burnicki <martin.burnicki@meinberg.de>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Signed-off-by: default avatarWilly Tarreau <w@1wt.eu>
parent 4a5b8e6b
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