On Thu, Oct 5, 2017 at 11:57 AM, christophe leroy
wrote:
>
>
> Le 05/10/2017 à 19:30, Kees Cook a écrit :
>>
>> On Thu, Oct 5, 2017 at 12:49 AM, Christophe LEROY
>> wrote:
>>>
>>>
>>>
>>> Le 05/10/2017 à 05:45, Kees Cook a écrit :
When available, CONFIG_KERNEL_RWX should be default
Le 05/10/2017 à 19:30, Kees Cook a écrit :
On Thu, Oct 5, 2017 at 12:49 AM, Christophe LEROY
wrote:
Le 05/10/2017 à 05:45, Kees Cook a écrit :
When available, CONFIG_KERNEL_RWX should be default-enabled.
On PPC32, this option implies deactivating BATs and/or LTLB mapping of the
linear
On Thu, Oct 5, 2017 at 12:49 AM, Christophe LEROY
wrote:
>
>
> Le 05/10/2017 à 05:45, Kees Cook a écrit :
>>
>> When available, CONFIG_KERNEL_RWX should be default-enabled.
>
>
> On PPC32, this option implies deactivating BATs and/or LTLB mapping of the
> linear kernel address space, hence a signi
Le 05/10/2017 à 05:45, Kees Cook a écrit :
When available, CONFIG_KERNEL_RWX should be default-enabled.
On PPC32, this option implies deactivating BATs and/or LTLB mapping of
the linear kernel address space, hence a significant performance
degradation.
So at least on PPC32, it should rema
When available, CONFIG_KERNEL_RWX should be default-enabled.
Cc: Benjamin Herrenschmidt
Cc: Paul Mackerras
Cc: Michael Ellerman
Cc: linuxppc-...@lists.ozlabs.org
Signed-off-by: Kees Cook
---
arch/powerpc/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/Kconfig b/arch/p
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