[PATCH 5/8] SFI: Hook e820 memory map initialization

[Len Brown <lenb@kernel.org>]

From: Feng Tang <feng.tang@intel.com>

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 arch/x86/kernel/e820.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 0062813..f5f5ff2 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -20,6 +20,7 @@
 #include <linux/pfn.h>
 #include <linux/suspend.h>
 #include <linux/firmware-map.h>
+#include <linux/sfi.h>
 
 #include <asm/pgtable.h>
 #include <asm/page.h>
@@ -1403,6 +1404,10 @@ char *__init default_machine_specific_memory_setup(void)
 	  < 0) {
 		u64 mem_size;
 
+		/* if SFI mmap table exists, use SFI to setup e820 mmap */
+		if (!sfi_init_memory_map())
+			return "SFI";
+
 		/* compare results from other methods and take the greater */
 		if (boot_params.alt_mem_k
 		    < boot_params.screen_info.ext_mem_k) {
-- 
1.6.0.6