On Wed, Nov 21, 2018 at 07:28:05PM -0500, Steven Rostedt wrote: > From: "Steven Rostedt (VMware)" <[email protected]> > > The function_graph_entry() function does the work of calling the function > graph hook function and the management of the shadow stack, simplifying the > work done in the architecture dependent prepare_ftrace_return(). > > Have arm64 use the new code, and remove the shadow stack management as well as > having to set up the trace structure. > > This is needed to prepare for a fix of a design bug on how the curr_ret_stack > is used. > > Cc: Catalin Marinas <[email protected]> > Cc: Will Deacon <[email protected]> > Cc: [email protected] > Cc: [email protected] > Fixes: 03274a3ffb449 ("tracing/fgraph: Adjust fgraph depth before calling > trace return callback") > Signed-off-by: Steven Rostedt (VMware) <[email protected]> > --- > arch/arm64/kernel/ftrace.c | 15 +-------------- > 1 file changed, 1 insertion(+), 14 deletions(-)
Minor nit: the subject refers to function_graph_entry(), but looks like you settled on function_graph_enter() in the end. Anyway, looks like no change for us, so: Acked-by: Will Deacon <[email protected]> Will
