powerpc: Add AT_HWCAP2 to indicate V.CRYPTO category support

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commit dd58a092c4 upstream.

The Vector Crypto category instructions are supported by current POWER8
chips, advertise them to userspace using a specific bit to properly
differentiate with chips of the same architecture level that might not
have them.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Benjamin Herrenschmidt 2014-06-10 15:04:40 +10:00 • committed by Greg Kroah-Hartman

parent 9cd68f0672

commit 99860b1d9c

2 changed files with 3 additions and 1 deletions

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arch/powerpc/include/uapi/asm/cputable.h

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3

arch/powerpc/kernel/cputable.c

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