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SubjectRe: [PATCH 22/34] x86, pkeys: dump PTE pkey in /proc/pid/smaps
On Thu, 3 Dec 2015, Dave Hansen wrote:
> The protection key can now be just as important as read/write
> permissions on a VMA. We need some debug mechanism to help
> figure out if it is in play. smaps seems like a logical
> place to expose it.
>
> arch/x86/kernel/setup.c is a bit of a weirdo place to put
> this code, but it already had seq_file.h and there was not
> a much better existing place to put it.
>
> We also use no #ifdef. If protection keys is .config'd out
> we will get the same function as if we used the weak generic
> function.
>
> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>


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