[S390] cpu shutdown rework
Let one master cpu kill all other cpus instead of sending an external interrupt to all other cpus so they can kill themselves. Simplifies reipl/shutdown functions a lot. Signed-off-by:Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com>
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- arch/s390/kernel/ipl.c 2 additions, 22 deletionsarch/s390/kernel/ipl.c
- arch/s390/kernel/machine_kexec.c 16 additions, 49 deletionsarch/s390/kernel/machine_kexec.c
- arch/s390/kernel/smp.c 31 additions, 73 deletionsarch/s390/kernel/smp.c
- drivers/s390/char/sclp_quiesce.c 1 addition, 36 deletionsdrivers/s390/char/sclp_quiesce.c
- include/asm-s390/smp.h 8 additions, 0 deletionsinclude/asm-s390/smp.h
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