Fixes commit 208cbb325589 ("x86/irqflags: Provide a declaration for native_save_fl")
This should have been marked extern inline in order to pick up the out of line definition in arch/x86/kernel/irqflags.S.
Cc: stable@vger.kernel.org # 4.18, 4.14, 4.9, 4.4 Reported-by: Ben Hutchings ben.hutchings@codethink.co.uk Signed-off-by: Nick Desaulniers ndesaulniers@google.com --- arch/x86/include/asm/irqflags.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h index c14f2a74b2be..15450a675031 100644 --- a/arch/x86/include/asm/irqflags.h +++ b/arch/x86/include/asm/irqflags.h @@ -33,7 +33,8 @@ extern inline unsigned long native_save_fl(void) return flags; }
-static inline void native_restore_fl(unsigned long flags) +extern inline void native_restore_fl(unsigned long flags); +extern inline void native_restore_fl(unsigned long flags) { asm volatile("push %0 ; popf" : /* no output */