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update submodule and patches to QEMU 8.1.2

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Bigger notable changes:

* Commit 1a30b0f5d7 ("block: .bdrv_open is non-coroutine and
  unlocked") broke the PVE backup patches, in particular setting up
  the backup dump block driver, because bdrv_new_open_driver() cannot
  be called from a coroutine. To fix it, bdrv_co_open() is used
  instead, and while it's a much more involved function, the result
  should be essentially the same. The only difference I noticed is
  that the BDRV_O_ALLOW_RDWR flag is also set in the resulting bds
  (block driver state), but that shouldn't hurt.

Smaller notable changes:

* aio_set_fd_handler() dropped its 'is_external' parameter stating
  that all callers now pass false in 60f782b6b7 ("aio: remove
  aio_disable_external() API"). The calls in the PVE patches also
  passed false, so just drop the parameter too.

* global_state_store() does not have a return value anymore, so the
  user in the PVE savevm-async patch was adapted. For context, see
  c33f1829f8 ("migration: never fail in global_state_store()").

* Renames affecting the PVE savevm-async patch:
  migrate_use_block() -> migrate_block() and ram_counters -> mig_stats
  9d4b1e5f22 ("migration: Move migrate_use_block() to options.c")
  aff3f6606d ("migration: Rename ram_counters to mig_stats")

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Fiona Ebner
2023-10-17 14:10:09 +02:00
committed by Thomas Lamprecht
parent 0d9c737d61
commit 10e1093325
54 changed files with 411 additions and 720 deletions
Download Patch File Download Diff File Expand all files Collapse all files
debian/patches/pve/0045-savevm-async-don-t-hold-BQL-during-setup.patch
Vendored
+2 -2
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@@ -13,10 +13,10 @@ Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
1 file changed, 2 deletions(-)
diff --git a/migration/savevm-async.c b/migration/savevm-async.c
index b97f2c4f14..87ea0573d3 100644
index 80624fada8..b1d85a4b41 100644
--- a/migration/savevm-async.c
+++ b/migration/savevm-async.c
@@ -403,10 +403,8 @@ void qmp_savevm_start(const char *statefile, Error **errp)
@@ -401,10 +401,8 @@ void qmp_savevm_start(const char *statefile, Error **errp)
snap_state.state = SAVE_STATE_ACTIVE;
snap_state.finalize_bh = qemu_bh_new(process_savevm_finalize, &snap_state);
snap_state.co = qemu_coroutine_create(&process_savevm_co, NULL);