1 choice !! 1 # SPDX-License-Identifier: GPL-2.0
2 prompt "Choose kernel unwinder" <<
3 default UNWINDER_PROLOGUE if KALLSYMS <<
4 help <<
5 This determines which method will be <<
6 traces for panics, oopses, bugs, war <<
7 lockdep, and more. <<
8 2
9 config UNWINDER_GUESS !! 3 config DEBUG_DCFLUSH
10 bool "Guess unwinder" !! 4 bool "D-cache flush debugging"
11 help !! 5 depends on SPARC64 && DEBUG_KERNEL
12 This option enables the "guess" unwi !! 6
13 traces. It scans the stack and repo !! 7 config MCOUNT
14 finds. Some of the addresses it rep !! 8 bool
15 !! 9 depends on SPARC64
16 While this option often produces fal !! 10 depends on FUNCTION_TRACER
17 useful in many cases. !! 11 default y
18 !! 12
19 config UNWINDER_PROLOGUE !! 13 config FRAME_POINTER
20 bool "Prologue unwinder" !! 14 bool
21 depends on KALLSYMS !! 15 depends on MCOUNT
22 help !! 16 default y
23 This option enables the "prologue" u <<
24 traces. It unwind the stack frame b <<
25 information is needed, at least the <<
26 Some of the addresses it reports may <<
27 Guess unwinder). <<
28 <<
29 config UNWINDER_ORC <<
30 bool "ORC unwinder" <<
31 depends on HAVE_OBJTOOL <<
32 select OBJTOOL <<
33 help <<
34 This option enables the ORC (Oops Re <<
35 unwinding kernel stack traces. It u <<
36 a simplified version of the DWARF Ca <<
37 <<
38 Enabling this option will increase t <<
39 by roughly 2-4MB, depending on your <<
40 <<
41 endchoice <<
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