1 files changed, 12 insertions, 2 deletions

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 9570541caf7c..c4851eff57b3 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -607,6 +607,16 @@ static int __init setup_elfcorehdr(char *arg)
 early_param("elfcorehdr", setup_elfcorehdr);
 #endif
 
+static __init void reserve_ibft_region(void)
+{
+        unsigned long addr, size = 0;
+
+        addr = find_ibft_region(&size);
+
+        if (size)
+                reserve_early_overlap_ok(addr, addr + size, "ibft");
+}
+
 #ifdef CONFIG_X86_RESERVE_LOW_64K
 static int __init dmi_low_memory_corruption(const struct dmi_system_id *d)
 {
@@ -909,6 +919,8 @@ void __init setup_arch(char **cmdline_p)
          */
         find_smp_config();
 
+        reserve_ibft_region();
+
         reserve_trampoline_memory();
 
 #ifdef CONFIG_ACPI_SLEEP
@@ -976,8 +988,6 @@ void __init setup_arch(char **cmdline_p)
 
         dma32_reserve_bootmem();
 
-        reserve_ibft_region();
-
 #ifdef CONFIG_KVM_CLOCK
         kvmclock_init();
 #endif