* Ashijeet Acharya (ashijeetacha...@gmail.com) wrote: > Previously posted series patches: > http://lists.nongnu.org/archive/html/qemu-devel/2017-01/msg02324.html > http://lists.nongnu.org/archive/html/qemu-devel/2017-01/msg01277.html > http://lists.nongnu.org/archive/html/qemu-devel/2017-01/msg00320.html > http://lists.nongnu.org/archive/html/qemu-devel/2016-12/msg02391.html > http://lists.nongnu.org/archive/html/qemu-devel/2016-12/msg02062.html > > This series adds a new command line option "--only-migratable" which will only > allow addition of those devices to a QEMU instance which are migratable and do > not abruptly fail QEMU after migration.
Queued. Dave > Patch 1 is a preparatory patch to remove an undesirable comment and make > patchew > happy. > > Patch 2 adds the new option "-only-migratable". > > Patch 3 adds compatibility for various "device adding" options for both via > command line and hotplug methods. > > Patch 4 helps to fail the migration blocker if the migration is already in > progress and thus cannot be blocked. > Note: This patch was originally written by John Snow and I have only made few > changes. > > Patch 5 handles the special case of devices which become unmigratable > dynamically by making call to "migrate_add_blocker". Here we fail the > migration blocker if --only-migratable was specified. > Eg: 9pfs fails to mount the filesystem. > > Note: I have not been able to test and compile the ARM drivers for KVM. They > are: > hw/intc/arm_gic_kvm.c > hw/intc/arm_gicv3_its_kvm.c > hw/intc/arm_gicv3_kvm.c > > Changes in v6: > -make Error *local_err = NULL at some places > -free reason at call sites > -rebase > -pass error_copy(reason) in error_propagate() > > Changes in v5: > -drop =0 for global variable (Dave) > -print error message if klass=NULL (Dave) > -deal with migration blocker before pdu_marshal (Greg) > -call migrate_add_blocker before kvm_create_device (Dave) > -fix typo in subject line for 4/4 (Eric) > -fix error_free in migrate_add_blocker (Dave) > -make migrate_add_blocker to deal with error messages itself (Peter, Greg, > Dave) > > Changes in v4: > - drop diff in 9pfs for patch 4/4 > - call clunk_fid() after freeing migration_blocker > - drop ret and use err directly > > Changes in v3: > - set s->root_fid after migrate_add_blocker > - free migration_blocker inside v9fs_attach() > - change back ret<0 to just ret > - free local_err > > Changes in v2: > - change the documentation for the new option > - add a NULL check for ObjectClass > - break patch 3 into patch 3 and 4 > - use error_append_hint > - return -EACCES for only-migratable > - fix the error messages > > Ashijeet Acharya (5): > block/vvfat: Remove the undesirable comment > migration: Add a new option to enable only-migratable > migration: Allow "device add" options to only add migratable devices > migration: disallow migrate_add_blocker during migration > migration: Fail migration blocker for --only-migratable > > block/qcow.c | 8 +++++++- > block/vdi.c | 8 +++++++- > block/vhdx.c | 17 +++++++++++------ > block/vmdk.c | 9 ++++++++- > block/vpc.c | 11 ++++++++--- > block/vvfat.c | 20 ++++++++++++-------- > hw/9pfs/9p.c | 33 +++++++++++++++++++++----------- > hw/display/virtio-gpu.c | 32 ++++++++++++++++++------------- > hw/intc/arm_gic_kvm.c | 17 +++++++++++------ > hw/intc/arm_gicv3_its_kvm.c | 20 +++++++++++++------- > hw/intc/arm_gicv3_kvm.c | 19 ++++++++++++------- > hw/misc/ivshmem.c | 14 ++++++++++---- > hw/scsi/vhost-scsi.c | 25 ++++++++++++++++++------ > hw/usb/bus.c | 19 +++++++++++++++++++ > hw/virtio/vhost.c | 8 +++++++- > include/migration/migration.h | 10 +++++++++- > migration/migration.c | 44 > +++++++++++++++++++++++++++++++++++++++++-- > qdev-monitor.c | 9 +++++++++ > qemu-options.hx | 9 +++++++++ > stubs/migr-blocker.c | 3 ++- > target/i386/kvm.c | 16 +++++++++++++--- > vl.c | 4 ++++ > 22 files changed, 273 insertions(+), 82 deletions(-) > > -- > 2.6.2 > > -- Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK
