x86: clean up e820_reserve_resources on 64-bit

e820_resource_resources could use insert_resource instead of request_resource
also move code_resource, data_resource, bss_resource, and crashk_res
out of e820_reserve_resources.

Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 7 insertions, 1 deletions

diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index 187f084b949..e3cb3ea96ca 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -248,6 +248,7 @@ static void __init reserve_crashkernel(void)
                                 (unsigned long)(total_mem >> 20));
                 crashk_res.start = crash_base;
                 crashk_res.end   = crash_base + crash_size - 1;
+                insert_resource(&iomem_resource, &crashk_res);
         }
 }
 #else
@@ -322,6 +323,11 @@ void __init setup_arch(char **cmdline_p)
 
         finish_e820_parsing();
 
+        /* after parse_early_param, so could debug it */
+        insert_resource(&iomem_resource, &code_resource);
+        insert_resource(&iomem_resource, &data_resource);
+        insert_resource(&iomem_resource, &bss_resource);
+
         early_gart_iommu_check();
 
         e820_register_active_regions(0, 0, -1UL);
@@ -454,7 +460,7 @@ void __init setup_arch(char **cmdline_p)
         /*
          * We trust e820 completely. No explicit ROM probing in memory.
          */
-        e820_reserve_resources(&code_resource, &data_resource, &bss_resource);
+        e820_reserve_resources();
         e820_mark_nosave_regions();
 
         /* request I/O space for devices used on all i[345]86 PCs */