diff options
| author | Dave Airlie <airlied@redhat.com> | 2020-01-20 11:08:11 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2020-01-20 11:42:57 +1000 |
| commit | 3d4743131b8de970faa4b979ead0fadfe5d2de9d (patch) | |
| tree | 68e948c2d94d48598dd37e31bb654feb0b43ae4a /kernel/trace/fgraph.c | |
| parent | df95968ff78931576ac7a3d3b30312894aaaf22e (diff) | |
| parent | def9d2780727cec3313ed3522d0123158d87224d (diff) | |
Backmerge v5.5-rc7 into drm-next
msm needs 5.5-rc4, go to the latest.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'kernel/trace/fgraph.c')
| -rw-r--r-- | kernel/trace/fgraph.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/trace/fgraph.c b/kernel/trace/fgraph.c index a2659735db73..1af321dec0f1 100644 --- a/kernel/trace/fgraph.c +++ b/kernel/trace/fgraph.c @@ -96,6 +96,20 @@ ftrace_push_return_trace(unsigned long ret, unsigned long func, return 0; } +/* + * Not all archs define MCOUNT_INSN_SIZE which is used to look for direct + * functions. But those archs currently don't support direct functions + * anyway, and ftrace_find_rec_direct() is just a stub for them. + * Define MCOUNT_INSN_SIZE to keep those archs compiling. + */ +#ifndef MCOUNT_INSN_SIZE +/* Make sure this only works without direct calls */ +# ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS +# error MCOUNT_INSN_SIZE not defined with direct calls enabled +# endif +# define MCOUNT_INSN_SIZE 0 +#endif + int function_graph_enter(unsigned long ret, unsigned long func, unsigned long frame_pointer, unsigned long *retp) { |