Messages in this thread Patch in this message | | | Date | Thu, 29 Jun 2023 23:42:48 +0000 | Subject | [PATCH 3/6] riscv: Add ftrace_stub_graph | From | Sami Tolvanen <> |
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Commit 883bbbffa5a4 ("ftrace,kcfi: Separate ftrace_stub() and ftrace_stub_graph()") added a separate ftrace_stub_graph function for CFI_CLANG. Add the stub to fix FUNCTION_GRAPH_TRACER compatibility with CFI.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com> --- arch/riscv/kernel/mcount.S | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/riscv/kernel/mcount.S b/arch/riscv/kernel/mcount.S index 712c1d2c2723..c73d7514e45f 100644 --- a/arch/riscv/kernel/mcount.S +++ b/arch/riscv/kernel/mcount.S @@ -57,6 +57,10 @@ SYM_TYPED_FUNC_START(ftrace_stub) SYM_FUNC_END(ftrace_stub) #ifdef CONFIG_FUNCTION_GRAPH_TRACER +SYM_TYPED_FUNC_START(ftrace_stub_graph) + ret +SYM_FUNC_END(ftrace_stub_graph) + ENTRY(return_to_handler) /* * On implementing the frame point test, the ideal way is to compare the -- 2.41.0.255.g8b1d071c50-goog
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