Re: [RFC patch 40/41] stacktrace: Remove obsolete functions

[Josh Poimboeuf]

On Wed, Apr 10, 2019 at 10:33:20PM -0500, Josh Poimboeuf wrote:
> > -#ifdef CONFIG_USER_STACKTRACE_SUPPORT
> > +extern void save_stack_trace(struct stack_trace *trace);
> > +extern void save_stack_trace_regs(struct pt_regs *regs,
> > +				  struct stack_trace *trace);
> > +extern void save_stack_trace_tsk(struct task_struct *tsk,
> > +				struct stack_trace *trace);
> > +extern int save_stack_trace_tsk_reliable(struct task_struct *tsk,
> > +					 struct stack_trace *trace);
> 
> save_stack_trace_tsk_reliable() is still in use by generic livepatch
> code.

kernel/trace/trace_stack.c and include/linux/ftrace.h also still use
struct stack_trace.

-- 
Josh