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powerpc: Add HWCAP2 aux entry

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We are currently out of free bits in AT_HWCAP. With POWER8, we have
several hardware features that we need to advertise.

Tested on POWER and x86.

Signed-off-by: Michael Neuling <michael@neuling.org>
Signed-off-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Michael Neuling 2013-04-17 17:33:11 +00:00 • committed by Benjamin Herrenschmidt
parent 6263fb3bd7
commit 2171364d1a
5 changed files with 10 additions and 4 deletions
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1
include/uapi/linux/auxvec.h
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@ -28,6 +28,7 @@
#define AT_BASE_PLATFORM 24 /* string identifying real platform, may
* differ from AT_PLATFORM. */
#define AT_RANDOM 25 /* address of 16 random bytes */
#define AT_HWCAP2 26 /* extension of AT_HWCAP */
#define AT_EXECFN 31 /* filename of program */