[PATCH 1/2] arch: consolidate CONFIG_STRICT_DEVM in lib/Kconfig.debug
Heiko Carstens
heiko.carstens at de.ibm.com
Mon Nov 23 01:53:02 PST 2015
On Sat, Nov 21, 2015 at 07:57:02PM -0800, Dan Williams wrote:
> Let all the archs that implement CONFIG_STRICT_DEVM use a common
> definition in lib/Kconfig.debug.
>
> Note, the 'depends on !SPARC' is due to sparc not implementing
> devmem_is_allowed().
>
> Cc: Kees Cook <keescook at chromium.org>
> Cc: Russell King <linux at arm.linux.org.uk>
> Cc: Catalin Marinas <catalin.marinas at arm.com>
> Cc: Will Deacon <will.deacon at arm.com>
> Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org>
> Cc: Martin Schwidefsky <schwidefsky at de.ibm.com>
> Cc: Heiko Carstens <heiko.carstens at de.ibm.com>
> Cc: Thomas Gleixner <tglx at linutronix.de>
> Cc: Ingo Molnar <mingo at redhat.com>
> Cc: "H. Peter Anvin" <hpa at zytor.com>
> Cc: Andrew Morton <akpm at linux-foundation.org>
> Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
> Cc: "David S. Miller" <davem at davemloft.net>
> Suggested-by: Arnd Bergmann <arnd at arndb.de>
> Signed-off-by: Dan Williams <dan.j.williams at intel.com>
> ---
> arch/arm/Kconfig.debug | 14 --------------
> arch/arm64/Kconfig.debug | 14 --------------
> arch/powerpc/Kconfig.debug | 12 ------------
> arch/s390/Kconfig.debug | 12 ------------
> arch/tile/Kconfig | 3 ---
> arch/unicore32/Kconfig.debug | 14 --------------
> arch/x86/Kconfig.debug | 17 -----------------
> lib/Kconfig.debug | 19 +++++++++++++++++++
> 8 files changed, 19 insertions(+), 86 deletions(-)
For s390
Acked-by: Heiko Carstens <heiko.carstens at de.ibm.com>
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index 8c15b29d5adc..ad85145d0047 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -1853,3 +1853,22 @@ source "samples/Kconfig"
>
> source "lib/Kconfig.kgdb"
>
> +config STRICT_DEVMEM
> + bool "Filter access to /dev/mem"
> + depends on MMU
> + depends on !SPARC
> + default y if TILE || PPC || S390
I wouldn't mind if you would remove s390 from this list.
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