From: Rik van Riel <riel@redhat.com>
To: Arnd Bergmann <arnd@arndb.de>,
"Paul E . McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Kees Cook <keescook@chromium.org>,
Steven Rostedt <rostedt@goodmis.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] bug: avoid Kconfig warning for BUG_ON_DATA_CORRUPTION
Date: Fri, 26 Aug 2016 11:47:03 -0400 [thread overview]
Message-ID: <1472226423.2751.57.camel@redhat.com> (raw)
In-Reply-To: <20160826154232.933432-1-arnd@arndb.de>
On Fri, 2016-08-26 at 17:42 +0200, Arnd Bergmann wrote:
> The CONFIG_DEBUG_LIST option is normally meant for kernel developers
> rather than production machines and is guarded by
> CONFIG_DEBUG_KERNEL.
>
> In contrast, the newly added CONFIG_BUG_ON_DATA_CORRUPTION is meant
> for security hardening and may be used on systems that intentionally
> do not enable CONFIG_DEBUG_KERNEL. In this configuration, we get
> a warning from Kconfig about the mismatched dependencies:
>
> warning: (BUG_ON_DATA_CORRUPTION) selects DEBUG_LIST which has unmet
> direct dependencies (DEBUG_KERNEL)
>
> This annotates the DEBUG_LIST option to be selectable by
> BUG_ON_DATA_CORRUPTION when DEBUG_KERNEL is disabled.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> Fixes: 40cd725cfc7f ("bug: Provide toggle for BUG on data
> corruption")
>
Acked-by: Rik van Riel <riel@redhat.com>
next prev parent reply other threads:[~2016-08-26 15:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-26 15:42 [PATCH] bug: avoid Kconfig warning for BUG_ON_DATA_CORRUPTION Arnd Bergmann
2016-08-26 15:47 ` Rik van Riel [this message]
2016-08-26 16:08 ` Paul E. McKenney
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