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authorYinghai Lu <yinghai@kernel.org>2015-01-15 16:21:50 -0600
committerBjorn Helgaas <bhelgaas@google.com>2015-01-16 10:04:42 -0600
commitce821ef0333fc130154ed3091144a590c1909f4d (patch)
tree1bdae4c16343ae124c6dff2b4b60e4a2a676f2b2 /REPORTING-BUGS
parentb0c568de32bad5dc19722ba90ebe07e358675e51 (diff)
downloadlinux-ce821ef0333fc130154ed3091144a590c1909f4d.tar.bz2
ia64/PCI: Clip bridge windows to fit in upstream windows
Every PCI-PCI bridge window should fit inside an upstream bridge window because orphaned address space is unreachable from the primary side of the upstream bridge. If we inherit invalid bridge windows that overlap an upstream window from firmware, clip them to fit and update the bridge accordingly. [bhelgaas: changelog] Link: https://bugzilla.kernel.org/show_bug.cgi?id=85491 Reported-by: Marek Kordik <kordikmarek@gmail.com> Fixes: 5b28541552ef ("PCI: Restrict 64-bit prefetchable bridge windows to 64-bit resources") Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: Tony Luck <tony.luck@intel.com> CC: Fenghua Yu <fenghua.yu@intel.com> CC: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> CC: linux-ia64@vger.kernel.org
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