QEMU allows for TSC frequency to be explicitly set to enable migration with invtsc (migration fails if the destination QEMU cannot set the exact same frequency used when starting the domain on the source host).
Jiri Denemark (4): conf: Fix XML parser for timer frequency qemu: Add support for setting TSC frequency qemu: Use virCPUCheckFeature in qemuMigrationIsAllowed qemu: Allow migration with invtsc if tsc frequency is set src/conf/domain_conf.c | 2 +- src/qemu/qemu_command.c | 16 ++++++---- src/qemu/qemu_migration.c | 28 +++++++++++------ .../qemuxml2argv-cpu-tsc-frequency.args | 23 ++++++++++++++ .../qemuxml2argv-cpu-tsc-frequency.xml | 35 ++++++++++++++++++++++ tests/qemuxml2argvtest.c | 1 + 6 files changed, 89 insertions(+), 16 deletions(-) create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-cpu-tsc-frequency.args create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-cpu-tsc-frequency.xml -- 2.12.1 -- libvir-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/libvir-list
