x86: split e820 reserved entries record to late, v7

try to insert_resource second time, by expanding the resource...

for case: e820 reserved entry is partially overlapped with bar res...

hope it will never happen

Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index a7a7133..e24d1bc 100644 (file)
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -1320,7 +1320,7 @@ void __init e820_reserve_resources_late(void)
        res = e820_res;
        for (i = 0; i < e820.nr_map; i++) {
                if (!res->parent && res->end)
-                       insert_resource(&iomem_resource, res);
+                       reserve_region_with_split(&iomem_resource, res->start, res->end, res->name);
                res++;
        }
 }