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SubjectRe: [PATCH 1/2] arch: consolidate CONFIG_STRICT_DEVM in lib/Kconfig.debug
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On Mon, Nov 23, 2015 at 1:53 AM, Heiko Carstens
<heiko.carstens@de.ibm.com> wrote:
> 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@chromium.org>
>> Cc: Russell King <linux@arm.linux.org.uk>
>> Cc: Catalin Marinas <catalin.marinas@arm.com>
>> Cc: Will Deacon <will.deacon@arm.com>
>> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
>> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
>> Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
>> Cc: Thomas Gleixner <tglx@linutronix.de>
>> Cc: Ingo Molnar <mingo@redhat.com>
>> Cc: "H. Peter Anvin" <hpa@zytor.com>
>> Cc: Andrew Morton <akpm@linux-foundation.org>
>> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>> Cc: "David S. Miller" <davem@davemloft.net>
>> Suggested-by: Arnd Bergmann <arnd@arndb.de>
>> Signed-off-by: Dan Williams <dan.j.williams@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@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.
>

Will do. Thanks.


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