v2->v3: --- * make allowed_essa_state_masks static (thanks Thomas) * change several variables to unsigned (thanks Claudio) * remove unneeded assignment (thanks Claudio) * fix line length (thanks Claudio) * fix some spellings, line wraps (thanks Thomas) * remove unneeded goto (thanks Thomas) * add migrate_once (thanks Claudio) I introduce migrate_once() only in migration-during-cmm.c for now, but I plan to send a future patch to move it to the library. * add missing READ_ONCE (thanks Claudio) v1->v2: --- * cmm lib: return struct instead of passing in a pointer (thanks Claudio) * cmm lib: remove get_page_addr() (thanks Claudio) * cmm lib: print address of mismatch (thanks Claudio) * cmm lib: misc comments reworked, added and variables renamed * make sure page states change on every iteration (thanks Claudio) * add WRITE_ONCE even when not strictly needed (thanks Claudio) Add a test which changes CMM page states while VM is being migrated. Nico Boehr (2): s390x: add a library for CMM-related functions s390x: add CMM test during migration lib/s390x/cmm.c | 92 +++++++++++++++++++++++++ lib/s390x/cmm.h | 31 +++++++++ s390x/Makefile | 2 + s390x/migration-cmm.c | 34 +++------- s390x/migration-during-cmm.c | 127 +++++++++++++++++++++++++++++++++++ s390x/unittests.cfg | 5 ++ 6 files changed, 265 insertions(+), 26 deletions(-) create mode 100644 lib/s390x/cmm.c create mode 100644 lib/s390x/cmm.h create mode 100644 s390x/migration-during-cmm.c -- 2.36.1
