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authorPeter Zijlstra <[email protected]>2024-07-04 16:00:24 +0200
committerPeter Zijlstra <[email protected]>2024-07-04 16:00:24 +0200
commit0c8ea05e9b3d8e5287e2a968f2a2e744dfd31b99 (patch)
treeba0443b74f063471c5d81d85e795e04e7e1dc79c /kernel/trace/fgraph.c
parent0ca4da2412da05fb9dd0b5d90dcc8026219f0f29 (diff)
parent34b3fc558b537bdf99644dcde539e151716f6331 (diff)
Merge branch 'tip/x86/cpu'
The Lunarlake patches rely on the new VFM stuff. Signed-off-by: Peter Zijlstra <[email protected]>
Diffstat (limited to 'kernel/trace/fgraph.c')
-rw-r--r--kernel/trace/fgraph.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/kernel/trace/fgraph.c b/kernel/trace/fgraph.c
index c83c005e654e..a130b2d898f7 100644
--- a/kernel/trace/fgraph.c
+++ b/kernel/trace/fgraph.c
@@ -125,17 +125,6 @@ int function_graph_enter(unsigned long ret, unsigned long func,
{
struct ftrace_graph_ent trace;
-#ifndef CONFIG_HAVE_DYNAMIC_FTRACE_WITH_ARGS
- /*
- * Skip graph tracing if the return location is served by direct trampoline,
- * since call sequence and return addresses are unpredictable anyway.
- * Ex: BPF trampoline may call original function and may skip frame
- * depending on type of BPF programs attached.
- */
- if (ftrace_direct_func_count &&
- ftrace_find_rec_direct(ret - MCOUNT_INSN_SIZE))
- return -EBUSY;
-#endif
trace.func = func;
trace.depth = ++current->curr_ret_depth;