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qemu/migration
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Fabiano Rosas bd4480b0d0 migration: Revert mapped-ram multifd support to fd: URI 
This reverts commit decdc76772 in full
and also the relevant migration-tests from
7a09f09283.

After the addition of the new QAPI-based migration address API in 8.2
we've been converting an "fd:" URI into a SocketAddress, missing the
fact that the "fd:" syntax could also be used for a plain file instead
of a socket. This is a problem because the SocketAddress is part of
the API, so we're effectively asking users to create a "socket"
channel to pass in a plain file.

The easiest way to fix this situation is to deprecate the usage of
both SocketAddress and "fd:" when used with a plain file for
migration. Since this has been possible since 8.2, we can wait until
9.1 to deprecate it.

For 9.0, however, we should avoid adding further support to migration
to a plain file using the old "fd:" syntax or the new SocketAddress
API, and instead require the usage of either the old-style "file:" URI
or the FileMigrationArgs::filename field of the new API with the
"/dev/fdset/NN" syntax, both of which are already supported.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240319210941.1907-1-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-22 12:12:08 -04:00
..
block-dirty-bitmap.c Replace "iothread lock" with "BQL" in comments 2024-01-08 10:45:43 -05:00
block.c migration: Skip only empty block devices 2024-03-13 07:33:41 -04:00
block.h migration: disable auto-converge during bulk block migration 2017-09-27 11:27:14 +01:00
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: Fix migration_channel_read_peek() error path 2024-01-04 09:52:42 +08:00
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 migration: privatize colo interfaces 2024-03-11 16:28:59 -04:00
dirtyrate.c system/cpus: rename qemu_mutex_lock_iothread() to bql_lock() 2024-01-08 10:45:43 -05:00
dirtyrate.h migration/calc-dirty-rate: millisecond-granularity period 2023-10-10 08:03:50 +08:00
exec.c migration: simplify exec migration functions 2024-03-04 07:12:40 +01:00
exec.h migration: convert exec backend to accept MigrateAddress. 2023-11-02 11:35:04 +01:00
fd.c migration: Revert mapped-ram multifd support to fd: URI 2024-03-22 12:12:08 -04:00
fd.h migration: Revert mapped-ram multifd support to fd: URI 2024-03-22 12:12:08 -04:00
file.c migration: Revert mapped-ram multifd support to fd: URI 2024-03-22 12:12:08 -04:00
file.h migration: Fix iocs leaks during file and fd migration 2024-03-14 11:39:08 -04:00
global_state.c migration 1st pull for 9.0 2024-01-05 13:35:25 +00:00
meson.build migration/multifd: Implement zero page transmission on the multifd thread. 2024-03-11 16:57:09 -04:00
migration-hmp-cmds.c migration/multifd: Add new migration option zero-page-detection. 2024-03-11 16:57:05 -04:00
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: Revert mapped-ram multifd support to fd: URI 2024-03-22 12:12:08 -04:00
migration.h migration: purge MigrationState from public interface 2024-03-11 16:28:59 -04:00
multifd-zero-page.c migration/multifd: Implement zero page transmission on the multifd thread. 2024-03-11 16:57:09 -04:00
multifd-zlib.c * Add missing ERRP_GUARD() statements in functions that need it 2024-03-12 16:55:42 +00:00
multifd-zstd.c migration/multifd: Implement zero page transmission on the multifd thread. 2024-03-11 16:57:09 -04:00
multifd.c migration: Revert mapped-ram multifd support to fd: URI 2024-03-22 12:12:08 -04:00
multifd.h migration/multifd: Implement zero page transmission on the multifd thread. 2024-03-11 16:57:09 -04:00
options.c * Add missing ERRP_GUARD() statements in functions that need it 2024-03-12 16:55:42 +00:00
options.h migration/multifd: Add new migration option zero-page-detection. 2024-03-11 16:57:05 -04:00
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 error: Move ERRP_GUARD() to the beginning of the function 2024-03-12 11:45:45 +01:00
postcopy-ram.h migration: remove error from notifier data 2024-02-28 11:31:28 +08:00
qemu-file.c migration: Report error when shutdown fails 2024-03-11 14:41:40 -04:00
qemu-file.h migration/qemu-file: add utility methods for working with seekable channels 2024-03-01 15:42:04 +08:00
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/multifd: Implement ram_save_target_page_multifd to handle multifd version of MigrationOps::ram_save_target_page. 2024-03-11 16:57:09 -04:00
ram.h migration/multifd: Allow clearing of the file_bmap from multifd 2024-03-11 16:56:52 -04:00
rdma.c migration/rdma: Fix a memory issue for migration 2024-03-11 14:41:40 -04:00
rdma.h migration: convert rdma backend to accept MigrateAddress 2023-11-02 11:35:03 +01:00
savevm.c migration: export migration_is_running 2024-03-11 16:28:59 -04:00
savevm.h migration: Add .save_prepare() handler to struct SaveVMHandlers 2023-09-11 08:34:06 +02:00
socket.c migration/multifd: Drop unnecessary helper to destroy IOC 2024-02-28 11:31:28 +08:00
socket.h migration/multifd: Drop unnecessary helper to destroy IOC 2024-02-28 11:31:28 +08:00
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/multifd: Implement zero page transmission on the multifd thread. 2024-03-11 16:57:09 -04:00
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: Make VMStateDescription.subsections const 2023-12-29 11:17:30 +11:00
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 migration/yank: Use channel features 2024-01-29 11:02:12 +08:00
yank_functions.h migration: Move the yank unregister of channel_close out 2021-07-26 12:45:03 +01:00