please check fix v3
[PATCH] x86: split e820 reserved entries record to late v4 - fix v3
try to insert_resource second time, by expand the resource...
for case: e820 reserved entry is partially overlapped with bar res...
hope it will never happen
v3: use reserve_region_with_split() instead to hand overlapping
with test case by extend 0xe0000000 - 0xeffffff to 0xdd800000 -
get
e0000000-efffffff : PCI MMCONFIG 0
e0000000-efffffff : reserved
in /proc/iomem
get
found conflict for reserved [dd800000, efffffff], try
to reserve with split
__reserve_region_with_split: (PCI Bus #80)
[dd000000, ddffffff], res: (reserved) [dd800000, efffffff]
__reserve_region_with_split: (PCI Bus #00)
[de000000, dfffffff], res: (reserved) [de000000, efffffff]
initcall pci_subsys_init+0x0/0x121 returned 0 after 381 msecs
in dmesg
YH
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