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Subject[PATCH] lib: fix kconfig dependency on ARCH_WANT_FRAME_POINTERS
Date
When LATENCYTOP is enabled and ARCH_WANT_FRAME_POINTERS
is disabled, Kbuild gives the following warning:

WARNING: unmet direct dependencies detected for FRAME_POINTER
Depends on [n]: DEBUG_KERNEL [=y] && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS [=n] || MCOUNT [=n]
Selected by [y]:
- LATENCYTOP [=y] && DEBUG_KERNEL [=y] && STACKTRACE_SUPPORT [=y] && PROC_FS [=y] && !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86

This is because LATENCYTOP selects FRAME_POINTER,
without selecting or depending on ARCH_WANT_FRAME_POINTERS,
despite FRAME_POINTER depending on ARCH_WANT_FRAME_POINTERS.

Signed-off-by: Julian Braha <julianbraha@gmail.com>
---
lib/Kconfig.debug | 1 +
1 file changed, 1 insertion(+)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 5a698fc34d56..59e78f1b3821 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1675,6 +1675,7 @@ config LATENCYTOP
depends on DEBUG_KERNEL
depends on STACKTRACE_SUPPORT
depends on PROC_FS
+ select ARCH_WANT_FRAME_POINTERS if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86
select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86
select KALLSYMS
select KALLSYMS_ALL
--
2.25.1
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