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ae30b9b289
qemu/migration
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Peter Xu ae30b9b289 migration/postcopy: Detect file system on dest host 
Postcopy requires the memory support userfaultfd to work.  Right now we
check it but it's a bit too late (when switching to postcopy migration).

Do that early right at enabling of postcopy.

Note that this is still only a best effort because ramblocks can be
dynamically created.  We can add check in hostmem creations and fail if
postcopy enabled, but maybe that's too aggressive.

Still, we have chance to fail the most obvious where we know there's an
existing unsupported ramblock.

Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-04-24 11:29:01 +02:00
..
block-dirty-bitmap.c migration: Rename res_{postcopy,precopy}_only 2023-02-15 20:04:30 +01:00
block.c migration/block: replace uses of blk_nb_sectors that do not check result 2023-04-11 16:40:53 +02:00
block.h migration: disable auto-converge during bulk block migration 2017-09-27 11:27:14 +01:00
channel-block.c io: Add support for MSG_PEEK for socket channel 2023-02-06 19:22:56 +01:00
channel-block.h migration: introduce a QIOChannel impl for BlockDriverState VMState 2022-06-22 19:33:43 +01:00
channel.c migration: check magic value for deciding the mapping of channels 2023-02-06 19:22:57 +01:00
channel.h migration: check magic value for deciding the mapping of channels 2023-02-06 19:22:57 +01:00
colo-failover.c migration/colo: Improve an x-colo-lost-heartbeat error message 2023-02-23 14:10:17 +01:00
colo.c error: Drop superfluous #include "qapi/qmp/qerror.h" 2023-02-23 13:56:14 +01:00
dirtyrate.c *: Add missing includes of qemu/error-report.h 2023-03-22 15:06:57 +00:00
dirtyrate.h migration/dirtyrate: Refactor dirty page rate calculation 2022-07-20 12:15:08 +01:00
exec.c *: Add missing includes of qemu/error-report.h 2023-03-22 15:06:57 +00:00
exec.h migration: Export exec.c functions in its own file 2017-06-01 18:49:22 +02:00
fd.c monitor: Use getter/setter functions for cur_mon 2020-10-09 07:08:19 +02:00
fd.h migration: Fix fd protocol for incoming defer 2019-06-05 12:43:55 +02:00
global_state.c migration: Silence compiler warning in global_state_store_running() 2020-10-02 12:28:48 +01:00
meson.build migration: Introduce interface query-migrationthreads 2023-02-06 19:22:57 +01:00
migration-hmp-cmds.c error: Drop superfluous #include "qapi/qmp/qerror.h" 2023-02-23 13:56:14 +01:00
migration.c migration: Handle block device inactivation failures better 2023-04-24 11:29:00 +02:00
migration.h migration: Recover behavior of preempt channel creation for pre-7.2 2023-04-12 21:44:56 +02:00
multifd-zlib.c multifd: Create page_size fields into both MultiFD{Recv,Send}Params 2022-12-15 10:30:37 +01:00
multifd-zstd.c multifd: Create page_size fields into both MultiFD{Recv,Send}Params 2022-12-15 10:30:37 +01:00
multifd.c migration: Make dirty_sync_missed_zero_copy atomic 2023-04-24 11:28:57 +02:00
multifd.h migration/multifd: Move load_cleanup inside incoming_state_destroy 2023-02-13 03:45:40 +01:00
page_cache.c migration: Fix cache_init()'s "Failed to allocate" error messages 2021-02-08 11:19:51 +00:00
page_cache.h migration: Clean up signed vs. unsigned XBZRLE cache-size 2021-02-08 11:19:51 +00:00
postcopy-ram.c migration/postcopy: Detect file system on dest host 2023-04-24 11:29:01 +02:00
postcopy-ram.h migration: Postpone postcopy preempt channel to be after main 2023-02-11 16:51:09 +01:00
qemu-file.c migration: mark mixed functions that can suspend 2023-04-20 11:17:35 +02:00
qemu-file.h migration: mark mixed functions that can suspend 2023-04-20 11:17:35 +02:00
ram.c migration: Rename normal to normal_pages 2023-04-24 11:29:00 +02:00
ram.h migration: Rename normal to normal_pages 2023-04-24 11:29:00 +02:00
rdma.c migration/rdma: Remove deprecated variable rdma_return_path 2023-03-16 16:07:07 +01:00
rdma.h migration: Export rdma.c functions in its own file 2017-06-01 18:49:23 +02:00
savevm.c migration: Rename res_{postcopy,precopy}_only 2023-02-15 20:04:30 +01:00
savevm.h migration: Rename res_{postcopy,precopy}_only 2023-02-15 20:04:30 +01:00
socket.c migration: Postcopy preemption preparation on channel creation 2022-07-20 12:15:08 +01:00
socket.h migration: Postcopy preemption preparation on channel creation 2022-07-20 12:15:08 +01:00
target.c migration: fix populate_vfio_info 2023-03-16 16:07:07 +01:00
threadinfo.c migration: Introduce interface query-migrationthreads 2023-02-06 19:22:57 +01:00
threadinfo.h migration: Introduce interface query-migrationthreads 2023-02-06 19:22:57 +01:00
tls.c cleanup: Tweak and re-run return_directly.cocci 2022-12-14 16:19:35 +01:00
tls.h migration: Add helpers to detect TLS capability 2022-07-20 12:15:08 +01:00
trace-events migration: Remove unused res_compatible 2023-02-15 20:04:30 +01:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
vmstate-types.c Move CPU softfloat unions to cpu-float.h 2022-04-06 14:31:43 +02:00
vmstate.c migration: Add canary to VMSTATE_END_OF_LIST 2023-02-06 19:22:56 +01:00
xbzrle.c migration/xbzrle: fix out-of-bounds write with axv512 2023-03-16 16:07:07 +01:00
xbzrle.h AVX512 support for xbzrle_encode_buffer 2023-02-11 16:51:09 +01:00
yank_functions.c migration: Move the yank unregister of channel_close out 2021-07-26 12:45:03 +01:00
yank_functions.h migration: Move the yank unregister of channel_close out 2021-07-26 12:45:03 +01:00