s390/ctl_reg: use decoding unions in update_cr_regs

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Add a decoding union for the bits in control registers 2 and use
'union ctlreg0' and 'union ctlreg2' in update_cr_regs to improve
readability.

Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Martin Schwidefsky 2017-10-12 13:24:45 +02:00

parent 00a8f886db

commit ad3bc0ac1d

4 changed files with 42 additions and 22 deletions

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19

arch/s390/include/asm/ctl_reg.h

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11

arch/s390/kernel/machine_kexec.c

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4

arch/s390/kernel/nmi.c

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30

arch/s390/kernel/ptrace.c

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