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Message-Id: <20190411005634.8495-1-okaya@kernel.org> Date: Thu, 11 Apr 2019 00:56:31 +0000 From: Sinan Kaya <okaya@...nel.org> To: linux-kernel@...r.kernel.org Cc: josh@...htriplett.org, Sinan Kaya <okaya@...nel.org>, Kees Cook <keescook@...omium.org>, Masahiro Yamada <yamada.masahiro@...ionext.com>, Andrew Morton <akpm@...ux-foundation.org>, "Peter Zijlstra (Intel)" <peterz@...radead.org>, Johannes Weiner <hannes@...xchg.org>, Nicholas Piggin <npiggin@...il.com>, Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, Vasily Gorbik <gor@...ux.ibm.com>, Adrian Reber <adrian@...as.de>, Richard Guy Briggs <rgb@...hat.com>, Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, Petr Mladek <pmladek@...e.com>, Joe Lawrence <joe.lawrence@...hat.com>, Matthew Wilcox <willy@...radead.org>, Randy Dunlap <rdunlap@...radead.org>, Mikulas Patocka <mpatocka@...hat.com>, Robin Murphy <robin.murphy@....com>, Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>, Changbin Du <changbin.du@...el.com> Subject: [PATCH v3] init: Do not select DEBUG_KERNEL by default We can't seem to have a kernel with CONFIG_EXPERT set but CONFIG_DEBUG_KERNEL unset these days. While some of the features under the CONFIG_EXPERT require CONFIG_DEBUG_KERNEL, it doesn't apply for all features. It looks like CONFIG_KALLSYMS_ALL is the only feature that requires CONFIG_DEBUG_KERNEL. Select CONFIG_EXPERT when CONFIG_DEBUG_KERNEL is chosen but you can still choose CONFIG_EXPERT without CONFIG_DEBUG_KERNEL. Signed-off-by: Sinan Kaya <okaya@...nel.org> Reviewed-by: Kees Cook <keescook@...omium.org> --- init/Kconfig | 2 -- lib/Kconfig.debug | 1 + 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/init/Kconfig b/init/Kconfig index 4592bf7997c0..37e10a8391a3 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1206,8 +1206,6 @@ config BPF menuconfig EXPERT bool "Configure standard kernel features (expert users)" - # Unhide debug options, to make the on-by-default options visible - select DEBUG_KERNEL help This option allows certain base kernel options and settings to be disabled or tweaked. This is for specialized diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 0d9e81779e37..9fbf3499ec8d 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -434,6 +434,7 @@ config MAGIC_SYSRQ_SERIAL config DEBUG_KERNEL bool "Kernel debugging" + default EXPERT help Say Y here if you are developing drivers or trying to debug and identify kernel problems. -- 2.21.0
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