crypto: s390 - Respect STFL bit

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Bevore issuing any s390 crypto operation check whether the
CPACF facility is enabled in the facility list. That way a
virtualization layer can prevent usage of the CPACF facility
regardless of the availability of the crypto instructions.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Jan Glauber 2008-07-12 15:42:11 +08:00 • committed by Herbert Xu

parent 3952f17ed6

commit a72f0dbfd9

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arch/s390/crypto/crypt_s390.h

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