From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Thu, 4 Sep 2008 18:59:22 +0000 (+0200)
Subject: x86: split e820 reserved entries record to late, v7
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=fac8f1e4f99dff7a0c3a929f327d66f46de6fa21;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

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 a7a71339bfb..e24d1bc47b4 100644
--- 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++;
 	}
 }