releases/4.4.154/x86-irqflags-mark-native_restore_fl-extern-inline.patch

   1 From 1f59a4581b5ecfe9b4f049a7a2cf904d8352842d Mon Sep 17 00:00:00 2001
   2 From: Nick Desaulniers <ndesaulniers@google.com>
   3 Date: Mon, 27 Aug 2018 14:40:09 -0700
   4 Subject: x86/irqflags: Mark native_restore_fl extern inline
   5
   6 From: Nick Desaulniers <ndesaulniers@google.com>
   7
   8 commit 1f59a4581b5ecfe9b4f049a7a2cf904d8352842d upstream.
   9
  10 This should have been marked extern inline in order to pick up the out
  11 of line definition in arch/x86/kernel/irqflags.S.
  12
  13 Fixes: 208cbb325589 ("x86/irqflags: Provide a declaration for native_save_fl")
  14 Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
  15 Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
  16 Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
  17 Reviewed-by: Juergen Gross <jgross@suse.com>
  18 Cc: "H. Peter Anvin" <hpa@zytor.com>
  19 Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
  20 Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  21 Cc: stable@vger.kernel.org
  22 Link: https://lkml.kernel.org/r/20180827214011.55428-1-ndesaulniers@google.com
  23 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  24
  25 ---
  26  arch/x86/include/asm/irqflags.h |    3 ++-
  27  1 file changed, 2 insertions(+), 1 deletion(-)
  28
  29 --- a/arch/x86/include/asm/irqflags.h
  30 +++ b/arch/x86/include/asm/irqflags.h
  31 @@ -28,7 +28,8 @@ extern inline unsigned long native_save_
  32         return flags;
  33  }
  34
  35 -static inline void native_restore_fl(unsigned long flags)
  36 +extern inline void native_restore_fl(unsigned long flags);
  37 +extern inline void native_restore_fl(unsigned long flags)
  38  {
  39         asm volatile("push %0 ; popf"
  40                      : /* no output */