Here's a KVM-unit-test to check the persistency of SPRs during migration. First patch adds a helper script for doing migration tests in the kvm-unit-test framework, and the second patch contains the SPR tester. v2: - Addressed review feedback from v1 - Now using cpu_relax() instead of asm volatile ("nop") Thomas Huth (2): Add the possibility to do simple migration tests powerpc: Add Special Purpose Register persistency test powerpc/Makefile.common | 3 +- powerpc/cstart64.S | 2 + powerpc/run | 4 + powerpc/sprs.c | 304 +++++++++++++++++++++++++++++++++++++++ powerpc/unittests.cfg | 5 + scripts/qemu-migration-helper.sh | 68 +++++++++ scripts/runtime.bash | 3 + 7 files changed, 388 insertions(+), 1 deletion(-) create mode 100644 powerpc/sprs.c create mode 100755 scripts/qemu-migration-helper.sh -- 1.8.3.1