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-rw-r--r--arch/s390/include/asm/nospec-branch.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390/include/asm/nospec-branch.h b/arch/s390/include/asm/nospec-branch.h
index b4bd8c41e9d3..82725cf783c7 100644
--- a/arch/s390/include/asm/nospec-branch.h
+++ b/arch/s390/include/asm/nospec-branch.h
@@ -12,6 +12,11 @@ void nospec_init_branches(void);
void nospec_auto_detect(void);
void nospec_revert(s32 *start, s32 *end);
+static inline bool nospec_uses_trampoline(void)
+{
+ return __is_defined(CC_USING_EXPOLINE) && !nospec_disable;
+}
+
#endif /* __ASSEMBLY__ */
#endif /* _ASM_S390_EXPOLINE_H */