Ubuntu 18.04 started exporting pkeys details in header files, resulting
in build failures and warnings in the pkeys self-tests:
protection_keys.c:232:0: warning: "SEGV_BNDERR" redefined
protection_keys.c:387:5: error: conflicting types for ‘pkey_get’
protection_keys.c:409:5: error: conflicting types for ‘pkey_set’
...
Fix these namespace conflicts and double definitions, plus also
clean up the ABI definitions to make it all a bit more readable ...
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: akpm@linux-foundation.org
Cc: dave.hansen@intel.com
Cc: linux-mm@kvack.org
Cc: linuxram@us.ibm.com
Cc: mpe@ellerman.id.au
Cc: shakeelb@google.com
Cc: shuah@kernel.org
Link: http://lkml.kernel.org/r/20180514085623.GB7094@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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