diff --git a/[refs] b/[refs]
index bbf16bcec22f..1382c44c3c5b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: abe059e7590fd4475285f2d037c70dec712a4572
+refs/heads/master: 3240114d23793384fa9c3c53f391f672d1c22d2e
diff --git a/trunk/arch/x86_64/kernel/setup64.c b/trunk/arch/x86_64/kernel/setup64.c
index 70f1bb808a20..349d55c2ac4e 100644
--- a/trunk/arch/x86_64/kernel/setup64.c
+++ b/trunk/arch/x86_64/kernel/setup64.c
@@ -248,7 +248,7 @@ void __cpuinit cpu_init (void)
 		switch (v + 1) {
 #if DEBUG_STKSZ > EXCEPTION_STKSZ
 		case DEBUG_STACK:
-			cpu_pda[cpu].debugstack = (unsigned long)estacks;
+			cpu_pda(cpu)->debugstack = (unsigned long)estacks;
 			estacks += DEBUG_STKSZ;
 			break;
 #endif