1 choice !! 1 # SPDX-License-Identifier: GPL-2.0
2 prompt "Choose kernel unwinder" !! 2 menu "Kernel hacking"
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 <<
9 config UNWINDER_GUESS <<
10 bool "Guess unwinder" <<
11 help <<
12 This option enables the "guess" unwi <<
13 traces. It scans the stack and repo <<
14 finds. Some of the addresses it rep <<
15 <<
16 While this option often produces fal <<
17 useful in many cases. <<
18 <<
19 config UNWINDER_PROLOGUE <<
20 bool "Prologue unwinder" <<
21 depends on KALLSYMS <<
22 help <<
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 3
38 Enabling this option will increase t !! 4 config TRACE_IRQFLAGS_SUPPORT
39 by roughly 2-4MB, depending on your !! 5 bool
>> 6 default y
>> 7
>> 8 source "lib/Kconfig.debug"
>> 9
>> 10 config DEBUG_DCFLUSH
>> 11 bool "D-cache flush debugging"
>> 12 depends on SPARC64 && DEBUG_KERNEL
>> 13
>> 14 config MCOUNT
>> 15 bool
>> 16 depends on SPARC64
>> 17 depends on FUNCTION_TRACER
>> 18 default y
>> 19
>> 20 config FRAME_POINTER
>> 21 bool
>> 22 depends on MCOUNT
>> 23 default y
40 24
41 endchoice !! 25 endmenu
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