4.4-stable review patch. If anyone has any objections, please let me know.
------------------ From: Rian Hunter <r...@alum.mit.edu> commit dc76803e57cc86589c4efcb5362918f9b0c0436f upstream. The consolidation of the start_thread() functions removed the export unintentionally. This breaks binfmt handlers built as a module. Add it back. Fixes: e634d8fc792c ("x86-64: merge the standard and compat start_thread() functions") Signed-off-by: Rian Hunter <r...@alum.mit.edu> Signed-off-by: Thomas Gleixner <t...@linutronix.de> Cc: "H. Peter Anvin" <h...@zytor.com> Cc: Andy Lutomirski <l...@kernel.org> Cc: Borislav Petkov <bpet...@suse.de> Cc: Vitaly Kuznetsov <vkuzn...@redhat.com> Cc: Joerg Roedel <jroe...@suse.de> Cc: Dmitry Safonov <d...@arista.com> Cc: Josh Poimboeuf <jpoim...@redhat.com> Cc: sta...@vger.kernel.org Link: https://lkml.kernel.org/r/20180819230854.7275-1-r...@alum.mit.edu Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- arch/x86/kernel/process_64.c | 1 + 1 file changed, 1 insertion(+) --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -250,6 +250,7 @@ start_thread(struct pt_regs *regs, unsig start_thread_common(regs, new_ip, new_sp, __USER_CS, __USER_DS, 0); } +EXPORT_SYMBOL_GPL(start_thread); #ifdef CONFIG_COMPAT void compat_start_thread(struct pt_regs *regs, u32 new_ip, u32 new_sp)