Rebase patches to apply cleanly to 5.2-rc1 source. Remove patch for comment style cleanup as this has already been applied. Anybody interested in testing, you can do so with: a) Intel system with Thunderbolt 3 and native enumeration. The Gigabyte Z390 Designare is one of the most perfect for this that I have never had the opportunity to use - it does not even have the option for BIOS assisted enumeration present in the BIOS. b) Any system with PCIe and the Gigabyte GC-TITAN RIDGE add-in card, jump the header as described and use kernel parameters like: pci=assign-busses,hpbussize=0x33,realloc,hpmemsize=128M,hpmemprefsize=1G,nocrs pcie_ports=native [optional] pci.dyndbg ___ __/ \__ |o o o o o| When looking into the receptacle on back of PCIe card. |_________| Jump pins 3 and 5. 1 2 3 4 5 The Intel system is nice in that it should just work. The add-in card setup is nice in that you can go nuts and assign copious amounts of MMIO_PREF - can anybody show a Xeon Phi coprocessor with 16G BAR working in an eGPU enclosure with these patches? However, if you specify the above kernel parameters on the Intel system, you should be able to override it to allocate more space. Nicholas Johnson (4): PCI: Consider alignment of hot-added bridges when distributing available resources PCI: Modify extend_bridge_window() to set resource size directly PCI: Fix bug resulting in double hpmemsize being assigned to MMIO window PCI: Add pci=hpmemprefsize parameter to set MMIO_PREF size independently .../admin-guide/kernel-parameters.txt | 7 +- drivers/pci/pci.c | 18 +- drivers/pci/setup-bus.c | 265 ++++++++++-------- include/linux/pci.h | 3 +- 4 files changed, 167 insertions(+), 126 deletions(-) -- 2.20.1