kdump on s390 uses a load normal reset to bring the system in a defined state by doing a subsystem reset. The issuing CPUs will have an initial CPU reset, all other CPUs will have a CPU reset as defined in POP (no register content will change).
Implement this as architectured.
f077847 s390: Implement load normal reset
target-s390x/misc_helper.c | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
Upstream: git.qemu.org