[v1] fix migration of suspended runstate

[PATCH V1 0/3] fix migration of suspended runstate

Steve Sistare posted 3 patches 11 months, 1 week ago

Diff against v2 v3 v4 v5 v6 v7 v7 v8 v9
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include/sysemu/runstate.h            |  1 +
migration/migration.c                | 11 +++-----
softmmu/runstate.c                   | 16 +++++++++++-
tests/migration/i386/Makefile        |  5 ++--
tests/migration/i386/a-b-bootblock.S | 49 +++++++++++++++++++++++++++++++++---
tests/migration/i386/a-b-bootblock.h | 22 ++++++++++------
tests/qtest/migration-helpers.c      |  2 +-
tests/qtest/migration-test.c         | 31 +++++++++++++++++++++--
8 files changed, 112 insertions(+), 25 deletions(-)

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[PATCH V1 0/3] fix migration of suspended runstate

Posted by Steve Sistare 11 months, 1 week ago

Migration of a guest in the suspended runstate is broken.
The incoming migration code automatically tries to wake the guest,
which IMO is wrong -- the guest should end migration in the same
runstate it started.  Further, the automatic wakeup fails.  The guest
appears to be running, but is not.  See the commit messages for
the details.

Steve Sistare (3):
  vl: start on wakeup request
  migration: fix suspended runstate
  tests/qtest: live migration suspended state

 include/sysemu/runstate.h            |  1 +
 migration/migration.c                | 11 +++-----
 softmmu/runstate.c                   | 16 +++++++++++-
 tests/migration/i386/Makefile        |  5 ++--
 tests/migration/i386/a-b-bootblock.S | 49 +++++++++++++++++++++++++++++++++---
 tests/migration/i386/a-b-bootblock.h | 22 ++++++++++------
 tests/qtest/migration-helpers.c      |  2 +-
 tests/qtest/migration-test.c         | 31 +++++++++++++++++++++--
 8 files changed, 112 insertions(+), 25 deletions(-)

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1.8.3.1