On Thu, Apr 14, 2016 at 11:10 AM, Dmitry Safonov <[email protected]> wrote: > As we have here full register set - just use user_64bit_mode > on it. > > Signed-off-by: Dmitry Safonov <[email protected]> > --- > arch/x86/oprofile/backtrace.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c > index cb31a4440e58..405dadaee74a 100644 > --- a/arch/x86/oprofile/backtrace.c > +++ b/arch/x86/oprofile/backtrace.c > @@ -69,7 +69,7 @@ x86_backtrace_32(struct pt_regs * const regs, unsigned int > depth) > struct stack_frame_ia32 *head; > > /* User process is IA32 */ > - if (!current || !test_thread_flag(TIF_IA32)) > + if (!current || user_64bit_mode(regs))
This is presumably okay, but I know nothing about oprofile. > return 0; > > head = (struct stack_frame_ia32 *) regs->bp; > -- > 2.8.0 > -- Andy Lutomirski AMA Capital Management, LLC

