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Migration Pull request (20231020)

Browse source 
In this pull request:
 - disable analyze-migration on s390x (thomas)
 - Fix parse_ramblock() (peter)
 - start merging live update (steve)
 - migration-test support for using several binaries (fabiano)
 - multifd cleanups (fabiano)
 
 CI: 1042492801
 
 Please apply.
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Merge tag 'migration-20231020-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migration Pull request (20231020)

In this pull request:
- disable analyze-migration on s390x (thomas)
- Fix parse_ramblock() (peter)
- start merging live update (steve)
- migration-test support for using several binaries (fabiano)
- multifd cleanups (fabiano)

CI: 1042492801

Please apply.

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# gpg: Signature made Thu 19 Oct 2023 23:57:15 PDT
# gpg:                using RSA key 1899FF8EDEBF58CCEE034B82F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [full]
# gpg:                 aka "Juan Quintela <quintela@trasno.org>" [full]
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03  4B82 F487 EF18 5872 D723

* tag 'migration-20231020-pull-request' of https://gitlab.com/juan.quintela/qemu:
  tests/qtest: Don't print messages from query instances
  tests/qtest/migration: Allow user to specify a machine type
  tests/qtest/migration: Support more than one QEMU binary
  tests/qtest/migration: Set q35 as the default machine for x86_86
  tests/qtest/migration: Specify the geometry of the bootsector
  tests/qtest/migration: Define a machine for all architectures
  tests/qtest/migration: Introduce find_common_machine_version
  tests/qtest: Introduce qtest_resolve_machine_alias
  tests/qtest: Introduce qtest_has_machine_with_env
  tests/qtest: Allow qtest_get_machines to use an alternate QEMU binary
  tests/qtest: Introduce qtest_init_with_env
  tests/qtest: Allow qtest_qemu_binary to use a custom environment variable
  migration/multifd: Stop checking p->quit in multifd_send_thread
  migration: simplify notifiers
  migration: Fix parse_ramblock() on overwritten retvals
  migration: simplify blockers
  tests/qtest/migration-test: Disable the analyze-migration.py test on s390x

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2023-10-20 06:46:53 -07:00
commit 384dbdda94
44 changed files with 341 additions and 195 deletions
Download patch file Download diff file Expand all files Collapse all files

2
hw/ppc/pef.c
View file

@ -63,7 +63,7 @@ static int kvmppc_svm_init(ConfidentialGuestSupport *cgs, Error **errp)
/* add migration blocker */
error_setg(&pef_mig_blocker, "PEF: Migration is not implemented");
/* NB: This can fail if --only-migratable is used */
migrate_add_blocker(pef_mig_blocker, &error_fatal);
migrate_add_blocker(&pef_mig_blocker, &error_fatal);
cgs->ready = true;

9
hw/ppc/spapr.c
View file

@ -1761,7 +1761,7 @@ static void spapr_machine_reset(MachineState *machine, ShutdownCause reason)
/* Signal all vCPUs waiting on this condition */
qemu_cond_broadcast(&spapr->fwnmi_machine_check_interlock_cond);
migrate_del_blocker(spapr->fwnmi_migration_blocker);
migrate_del_blocker(&spapr->fwnmi_migration_blocker);
}
static void spapr_create_nvram(SpaprMachineState *spapr)
@ -2937,13 +2937,6 @@ static void spapr_machine_init(MachineState *machine)
spapr_create_lmb_dr_connectors(spapr);
}
if (spapr_get_cap(spapr, SPAPR_CAP_FWNMI) == SPAPR_CAP_ON) {
/* Create the error string for live migration blocker */
error_setg(&spapr->fwnmi_migration_blocker,
"A machine check is being handled during migration. The handler"
"may run and log hardware error on the destination");
}
if (mc->nvdimm_supported) {
spapr_create_nvdimm_dr_connectors(spapr);
}

6
hw/ppc/spapr_events.c
View file

@ -920,7 +920,11 @@ void spapr_mce_req_event(PowerPCCPU *cpu, bool recovered)
* fails when running with -only-migrate. A proper interface to
* delay migration completion for a bit could avoid that.
*/
ret = migrate_add_blocker(spapr->fwnmi_migration_blocker, NULL);
error_setg(&spapr->fwnmi_migration_blocker,
"A machine check is being handled during migration. The handler"
"may run and log hardware error on the destination");
ret = migrate_add_blocker(&spapr->fwnmi_migration_blocker, NULL);
if (ret == -EBUSY) {
warn_report("Received a fwnmi while migration was in progress");
}

2
hw/ppc/spapr_rtas.c
View file

@ -496,7 +496,7 @@ static void rtas_ibm_nmi_interlock(PowerPCCPU *cpu,
spapr->fwnmi_machine_check_interlock = -1;
qemu_cond_signal(&spapr->fwnmi_machine_check_interlock_cond);
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
migrate_del_blocker(spapr->fwnmi_migration_blocker);
migrate_del_blocker(&spapr->fwnmi_migration_blocker);
}
static struct rtas_call {