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3 Commits

Author SHA1 Message Date
Heiko Carstens 57c52ae757 s390/zcrypt: get rid of variable length arrays 
The variable length arrays used to specify clobbered memory within
ap_nqap and ap_dqap would only work if the length would be known at
compile time.
This is not the case for both usages. Therefore simply use a full
memory clobber and get rid of the old construct.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
 2017-01-16 07:27:51 +01:00
Heiko Carstens d03502684b s390/zcrypt: add missing memory clobber to ap_qci inline assembly 
The ap_qci() inline assembly writes to memory (*config) but misses to
tell the compiler about it. Add the missing memory clobber to fix
this.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
 2016-12-14 16:33:41 +01:00
Martin Schwidefsky 0db78559f9 s390/zcrypt: header for the AP inline assmblies 
Move the inline assemblies for the AP bus into a separate header file.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
 2016-12-14 16:33:38 +01:00