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From: Andrew Morton <akpm@linux-foundation.org>
To: akpm@linux-foundation.org, fazilyildiran@gmail.com,
	geert@linux-m68k.org, julianbraha@gmail.com, linux-mm@kvack.org,
	mm-commits@vger.kernel.org, schwab@linux-m68k.org,
	torvalds@linux-foundation.org
Subject: [patch 16/16] lib: fix kconfig dependency on ARCH_WANT_FRAME_POINTERS
Date: Fri, 09 Apr 2021 13:27:47 -0700	[thread overview]
Message-ID: <20210409202747.g-bi9jHw8%akpm@linux-foundation.org> (raw)
In-Reply-To: <20210409132633.6855fc8fea1b3905ea1bb4be@linux-foundation.org>

From: Julian Braha <julianbraha@gmail.com>
Subject: lib: fix kconfig dependency on ARCH_WANT_FRAME_POINTERS

When LATENCYTOP, LOCKDEP, or FAULT_INJECTION_STACKTRACE_FILTER is enabled
and ARCH_WANT_FRAME_POINTERS is disabled, Kbuild gives a warning such as:

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

Depending on ARCH_WANT_FRAME_POINTERS causes a recursive dependency error.
ARCH_WANT_FRAME_POINTERS is to be selected by the architecture, and is
not supposed to be overridden by other config options.

Link: https://lkml.kernel.org/r/20210329165329.27994-1-julianbraha@gmail.com
Signed-off-by: Julian Braha <julianbraha@gmail.com>
Cc: Andreas Schwab <schwab@linux-m68k.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Necip Fazil Yildiran <fazilyildiran@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 lib/Kconfig.debug |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/lib/Kconfig.debug~lib-fix-kconfig-dependency-on-arch_want_frame_pointers
+++ a/lib/Kconfig.debug
@@ -1363,7 +1363,7 @@ config LOCKDEP
 	bool
 	depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
 	select STACKTRACE
-	select FRAME_POINTER if !MIPS && !PPC && !ARM && !S390 && !MICROBLAZE && !ARC && !X86
+	depends on FRAME_POINTER || MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86
 	select KALLSYMS
 	select KALLSYMS_ALL
 
@@ -1665,7 +1665,7 @@ config LATENCYTOP
 	depends on DEBUG_KERNEL
 	depends on STACKTRACE_SUPPORT
 	depends on PROC_FS
-	select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86
+	depends on FRAME_POINTER || MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86
 	select KALLSYMS
 	select KALLSYMS_ALL
 	select STACKTRACE
@@ -1918,7 +1918,7 @@ config FAULT_INJECTION_STACKTRACE_FILTER
 	depends on FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT
 	depends on !X86_64
 	select STACKTRACE
-	select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86
+	depends on FRAME_POINTER || MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86
 	help
 	  Provide stacktrace filter for fault-injection capabilities
 
_

      parent reply	other threads:[~2021-04-09 20:27 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-09 20:26 incoming Andrew Morton
2021-04-09 20:27 ` [patch 01/16] MAINTAINERS: update CZ.NIC's Turris information Andrew Morton
2021-04-09 20:27 ` [patch 02/16] treewide: change my e-mail address, fix my name Andrew Morton
2021-04-09 20:27 ` [patch 03/16] mailmap: update email address for Jordan Crouse Andrew Morton
2021-04-09 20:27 ` [patch 04/16] .mailmap: fix old email addresses Andrew Morton
2021-04-09 20:27 ` [patch 05/16] kasan: fix hwasan build for gcc Andrew Morton
2021-04-09 20:39   ` Andrey Konovalov
2021-04-09 20:58     ` Andrew Morton
2021-04-12  9:56       ` Marco Elver
2021-04-12 12:54         ` Andrey Konovalov
2021-04-09 21:55     ` Linus Torvalds
2021-04-09 20:27 ` [patch 06/16] kasan: remove redundant config option Andrew Morton
2021-04-09 20:27 ` [patch 07/16] mm/gup: check page posion status for coredump Andrew Morton
2021-04-09 20:27 ` [patch 08/16] nds32: flush_dcache_page: use page_mapping_file to avoid races with swapoff Andrew Morton
2021-04-09 20:27 ` [patch 09/16] gcov: re-fix clang-11+ support Andrew Morton
2021-04-09 20:27 ` [patch 10/16] ocfs2: fix deadlock between setattr and dio_end_io_write Andrew Morton
2021-04-09 20:27 ` [patch 11/16] ia64: fix user_stack_pointer() for ptrace() Andrew Morton
2021-04-09 20:27 ` [patch 12/16] fs: direct-io: fix missing sdio->boundary Andrew Morton
2021-04-09 20:27 ` [patch 13/16] kasan: fix conflict with page poisoning Andrew Morton
2021-04-09 20:27 ` [patch 14/16] lib/test_kasan_module.c: suppress unused var warning Andrew Morton
2021-04-09 20:27 ` [patch 15/16] kfence, x86: fix preemptible warning on KPTI-enabled systems Andrew Morton
2021-04-09 20:27 ` Andrew Morton [this message]

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