diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index 2e259a8..f423b0e3 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -256,21 +256,21 @@
 #define EFLAGS_MASK (EFLG_OF|EFLG_SF|EFLG_ZF|EFLG_AF|EFLG_PF|EFLG_CF)
 
 /* Before executing instruction: restore necessary bits in EFLAGS. */
-#define _PRE_EFLAGS(_sav, _msk, _tmp) \
-	/* EFLAGS = (_sav & _msk) | (EFLAGS & ~_msk); */	\
-	"push %"_sav"; "					\
-	"movl %"_msk",%"_LO32 _tmp"; "				\
-	"andl %"_LO32 _tmp",("_STK"); "				\
-	"pushf; "						\
-	"notl %"_LO32 _tmp"; "					\
-	"andl %"_LO32 _tmp",("_STK"); "				\
-	"pop  %"_tmp"; "					\
-	"orl  %"_LO32 _tmp",("_STK"); "				\
-	"popf; "						\
-	/* _sav &= ~msk; */					\
-	"movl %"_msk",%"_LO32 _tmp"; "				\
-	"notl %"_LO32 _tmp"; "					\
-	"andl %"_LO32 _tmp",%"_sav"; "
+#define _PRE_EFLAGS(_sav, _msk, _tmp)					\
+	/* EFLAGS = (_sav & _msk) | (EFLAGS & ~_msk); _sav &= ~_msk; */ \
+	"movl %"_sav",%"_LO32 _tmp"; "                                  \
+	"push %"_tmp"; "                                                \
+	"push %"_tmp"; "                                                \
+	"movl %"_msk",%"_LO32 _tmp"; "                                  \
+	"andl %"_LO32 _tmp",("_STK"); "                                 \
+	"pushf; "                                                       \
+	"notl %"_LO32 _tmp"; "                                          \
+	"andl %"_LO32 _tmp",("_STK"); "                                 \
+	"andl %"_LO32 _tmp","__stringify(BITS_PER_LONG/4)"("_STK"); "	\
+	"pop  %"_tmp"; "                                                \
+	"orl  %"_LO32 _tmp",("_STK"); "                                 \
+	"popf; "                                                        \
+	"pop  %"_sav"; "
 
 /* After executing instruction: write-back necessary bits in EFLAGS. */
 #define _POST_EFLAGS(_sav, _msk, _tmp) \