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git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
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Arnd Bergmann
7d8b31b73c
These are all tracing W=1 warnings in arm64 allmodconfig about missing prototypes: kernel/trace/trace_kprobe_selftest.c:7:5: error: no previous prototype for 'kprobe_trace_selftest_target' [-Werror=missing-pro totypes] kernel/trace/ftrace.c:329:5: error: no previous prototype for '__register_ftrace_function' [-Werror=missing-prototypes] kernel/trace/ftrace.c:372:5: error: no previous prototype for '__unregister_ftrace_function' [-Werror=missing-prototypes] kernel/trace/ftrace.c:4130:15: error: no previous prototype for 'arch_ftrace_match_adjust' [-Werror=missing-prototypes] kernel/trace/fgraph.c:243:15: error: no previous prototype for 'ftrace_return_to_handler' [-Werror=missing-prototypes] kernel/trace/fgraph.c:358:6: error: no previous prototype for 'ftrace_graph_sleep_time_control' [-Werror=missing-prototypes] arch/arm64/kernel/ftrace.c:460:6: error: no previous prototype for 'prepare_ftrace_return' [-Werror=missing-prototypes] arch/arm64/kernel/ptrace.c:2172:5: error: no previous prototype for 'syscall_trace_enter' [-Werror=missing-prototypes] arch/arm64/kernel/ptrace.c:2195:6: error: no previous prototype for 'syscall_trace_exit' [-Werror=missing-prototypes] Move the declarations to an appropriate header where they can be seen by the caller and callee, and make sure the headers are included where needed. Link: https://lore.kernel.org/linux-trace-kernel/[email protected] Cc: Masami Hiramatsu <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Will Deacon <[email protected]> Cc: Kees Cook <[email protected]> Cc: Florent Revest <[email protected]> Signed-off-by: Arnd Bergmann <[email protected]> Acked-by: Catalin Marinas <[email protected]> [ Fixed ftrace_return_to_handler() to handle CONFIG_HAVE_FUNCTION_GRAPH_RETVAL case ] Signed-off-by: Steven Rostedt (Google) <[email protected]>
14 lines
390 B
C
14 lines
390 B
C
// SPDX-License-Identifier: GPL-2.0
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#include "trace_kprobe_selftest.h"
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/*
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* Function used during the kprobe self test. This function is in a separate
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* compile unit so it can be compile with CC_FLAGS_FTRACE to ensure that it
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* can be probed by the selftests.
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*/
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int kprobe_trace_selftest_target(int a1, int a2, int a3, int a4, int a5, int a6)
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{
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return a1 + a2 + a3 + a4 + a5 + a6;
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}
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