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7aa6070d09
qemu/migration
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Peter Xu 7aa6070d09 migration: Refactor error handling in source return path 
rp_state.error was a boolean used to show error happened in return path
thread.  That's not only duplicating error reporting (migrate_set_error),
but also not good enough in that we only do error_report() and set it to
true, we never can keep a history of the exact error and show it in
query-migrate.

To make this better, a few things done:

  - Use error_setg() rather than error_report() across the whole lifecycle
    of return path thread, keeping the error in an Error*.

  - With above, no need to have mark_source_rp_bad(), remove it, alongside
    with rp_state.error itself.

  - Use migrate_set_error() to apply that captured error to the global
    migration object when error occured in this thread.

  - Do the same when detected qemufile error in source return path

We need to re-export qemu_file_get_error_obj() to do the last one.

Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231017202633.296756-2-peterx@redhat.com>
2023-11-02 11:35:03 +01:00
..
block-dirty-bitmap.c migration: hold the BQL during setup 2023-10-17 09:25:13 +02:00
block.c qemu-file: Remove _noflush from qemu_file_transferred_noflush() 2023-10-31 08:44:33 +01:00
block.h
channel-block.c io: follow coroutine AioContext in qio_channel_yield() 2023-09-07 20:32:11 -05:00
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 qemu-file: Make qemu_fflush() return errors 2023-10-31 08:44:33 +01:00
dirtyrate.c migration/dirtyrate: use QEMU_CLOCK_HOST to report start-time 2023-10-10 08:04:12 +08:00
dirtyrate.h migration/calc-dirty-rate: millisecond-granularity period 2023-10-10 08:03:50 +08:00
exec.c *: Add missing includes of qemu/error-report.h 2023-03-22 15:06:57 +00:00
exec.h
fd.c bulk: Remove pointless QOM casts 2023-06-05 20:48:34 +02:00
fd.h
file.c migration: file URI offset 2023-10-04 13:18:08 +02:00
file.h migration: file URI 2023-10-04 13:16:58 +02:00
global_state.c migration: never fail in global_state_store() 2023-06-02 01:03:19 +02:00
meson.build migration: file URI 2023-10-04 13:16:58 +02:00
migration-hmp-cmds.c migration: mode parameter 2023-11-01 16:13:58 +01:00
migration-stats.c migration: migration_rate_limit_reset() don't need the QEMUFile 2023-10-31 08:44:33 +01:00
migration-stats.h migration: Remove transferred atomic counter 2023-10-31 08:44:33 +01:00
migration.c migration: Refactor error handling in source return path 2023-11-02 11:35:03 +01:00
migration.h migration: Refactor error handling in source return path 2023-11-02 11:35:03 +01:00
multifd-zlib.c migration: spelling fixes 2023-07-25 17:13:20 +03:00
multifd-zstd.c migration: spelling fixes 2023-07-25 17:13:20 +03:00
multifd.c migration: Remove transferred atomic counter 2023-10-31 08:44:33 +01:00
multifd.h multifd: Add the ramblock to MultiFDRecvParams 2023-05-10 18:48:11 +02:00
options.c migration: mode parameter 2023-11-01 16:13:58 +01:00
options.h migration: mode parameter 2023-11-01 16:13:58 +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: Fix race that dest preempt thread close too early 2023-09-27 13:58:02 -04:00
postcopy-ram.h migration: Allow postcopy_ram_supported_by_host() to report err 2023-04-27 10:18:25 +02:00
qemu-file.c migration: Refactor error handling in source return path 2023-11-02 11:35:03 +01:00
qemu-file.h migration: Refactor error handling in source return path 2023-11-02 11:35:03 +01:00
ram-compress.c migration: Rename ram_compressed_pages() to compress_ram_pages() 2023-10-30 17:41:55 +01:00
ram-compress.h migration: Rename ram_compressed_pages() to compress_ram_pages() 2023-10-30 17:41:55 +01:00
ram.c migration: Refactor error handling in source return path 2023-11-02 11:35:03 +01:00
ram.h migration: Refactor error handling in source return path 2023-11-02 11:35:03 +01:00
rdma.c qemu-file: Make qemu_fflush() return errors 2023-10-31 08:44:33 +01:00
rdma.h migration/rdma: Remove qemu_ prefix from exported functions 2023-10-17 09:25:13 +02:00
savevm.c migration: Add tracepoints for downtime checkpoints 2023-11-01 16:13:58 +01:00
savevm.h migration: Add .save_prepare() handler to struct SaveVMHandlers 2023-09-11 08:34:06 +02:00
socket.c migration: Move migrate_use_zero_copy_send() to options.c 2023-04-24 15:01:46 +02:00
socket.h migration: Postcopy preemption preparation on channel creation 2022-07-20 12:15:08 +01:00
target.c migration: Add migration prefix to functions in target.c 2023-09-11 08:34:06 +02:00
threadinfo.c migration/multifd: Protect accesses to migration_threads 2023-07-26 10:55:56 +02:00
threadinfo.h migration/multifd: Protect accesses to migration_threads 2023-07-26 10:55:56 +02:00
tls.c migration: Drop unused parameter for migration_tls_client_create() 2023-05-03 11:24:20 +02:00
tls.h migration: Drop unused parameter for migration_tls_client_create() 2023-05-03 11:24:20 +02:00
trace-events migration: Refactor error handling in source return path 2023-11-02 11:35:03 +01:00
trace.h
vmstate-types.c Move CPU softfloat unions to cpu-float.h 2022-04-06 14:31:43 +02:00
vmstate.c qemu-file: Remove _noflush from qemu_file_transferred_noflush() 2023-10-31 08:44:33 +01:00
xbzrle.c migration/xbzrle: Use i386 host/cpuinfo.h 2023-05-23 16:51:18 -07:00
xbzrle.h migration/xbzrle: Use i386 host/cpuinfo.h 2023-05-23 16:51:18 -07:00
yank_functions.c bulk: Remove pointless QOM casts 2023-06-05 20:48:34 +02:00
yank_functions.h migration: Move the yank unregister of channel_close out 2021-07-26 12:45:03 +01:00