qemu-kvm/kvm-migration-Create-migrate_cap_set.patch

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* Mon May 22 2023 Miroslav Rezanina <mrezanin@redhat.com> - 8.0.0-4 - kvm-migration-Attempt-disk-reactivation-in-more-failure-.patch [bz#2058982] - kvm-util-mmap-alloc-qemu_fd_getfs.patch [bz#2057267] - kvm-vl.c-Create-late-backends-before-migration-object.patch [bz#2057267] - kvm-migration-postcopy-Detect-file-system-on-dest-host.patch [bz#2057267] - kvm-migration-mark-mixed-functions-that-can-suspend.patch [bz#2057267] - kvm-postcopy-ram-do-not-use-qatomic_mb_read.patch [bz#2057267] - kvm-migration-remove-extra-whitespace-character-for-code.patch [bz#2057267] - kvm-migration-Merge-ram_counters-and-ram_atomic_counters.patch [bz#2057267] - kvm-migration-Update-atomic-stats-out-of-the-mutex.patch [bz#2057267] - kvm-migration-Make-multifd_bytes-atomic.patch [bz#2057267] - kvm-migration-Make-dirty_sync_missed_zero_copy-atomic.patch [bz#2057267] - kvm-migration-Make-precopy_bytes-atomic.patch [bz#2057267] - kvm-migration-Make-downtime_bytes-atomic.patch [bz#2057267] - kvm-migration-Make-dirty_sync_count-atomic.patch [bz#2057267] - kvm-migration-Make-postcopy_requests-atomic.patch [bz#2057267] - kvm-migration-Rename-duplicate-to-zero_pages.patch [bz#2057267] - kvm-migration-Rename-normal-to-normal_pages.patch [bz#2057267] - kvm-migration-rename-enabled_capabilities-to-capabilitie.patch [bz#2057267] - kvm-migration-Pass-migrate_caps_check-the-old-and-new-ca.patch [bz#2057267] - kvm-migration-move-migration_global_dump-to-migration-hm.patch [bz#2057267] - kvm-spice-move-client_migrate_info-command-to-ui.patch [bz#2057267] - kvm-migration-Create-migrate_cap_set.patch [bz#2057267] - kvm-migration-Create-options.c.patch [bz#2057267] - kvm-migration-Move-migrate_colo_enabled-to-options.c.patch [bz#2057267] - kvm-migration-Move-migrate_use_compression-to-options.c.patch [bz#2057267] - kvm-migration-Move-migrate_use_events-to-options.c.patch [bz#2057267] - kvm-migration-Move-migrate_use_multifd-to-options.c.patch [bz#2057267] - kvm-migration-Move-migrate_use_zero_copy_send-to-options.patch [bz#2057267] - kvm-migration-Move-migrate_use_xbzrle-to-options.c.patch [bz#2057267] - kvm-migration-Move-migrate_use_block-to-options.c.patch [bz#2057267] - kvm-migration-Move-migrate_use_return-to-options.c.patch [bz#2057267] - kvm-migration-Create-migrate_rdma_pin_all-function.patch [bz#2057267] - kvm-migration-Move-migrate_caps_check-to-options.c.patch [bz#2057267] - kvm-migration-Move-qmp_query_migrate_capabilities-to-opt.patch [bz#2057267] - kvm-migration-Move-qmp_migrate_set_capabilities-to-optio.patch [bz#2057267] - kvm-migration-Move-migrate_cap_set-to-options.c.patch [bz#2057267] - kvm-migration-Move-parameters-functions-to-option.c.patch [bz#2057267] - kvm-migration-Use-migrate_max_postcopy_bandwidth.patch [bz#2057267] - kvm-migration-Move-migrate_use_block_incremental-to-opti.patch [bz#2057267] - kvm-migration-Create-migrate_throttle_trigger_threshold.patch [bz#2057267] - kvm-migration-Create-migrate_checkpoint_delay.patch [bz#2057267] - kvm-migration-Create-migrate_max_cpu_throttle.patch [bz#2057267] - kvm-migration-Move-migrate_announce_params-to-option.c.patch [bz#2057267] - kvm-migration-Create-migrate_cpu_throttle_initial-to-opt.patch [bz#2057267] - kvm-migration-Create-migrate_cpu_throttle_increment-func.patch [bz#2057267] - kvm-migration-Create-migrate_cpu_throttle_tailslow-funct.patch [bz#2057267] - kvm-migration-Move-migrate_postcopy-to-options.c.patch [bz#2057267] - kvm-migration-Create-migrate_max_bandwidth-function.patch [bz#2057267] - kvm-migration-Move-migrate_use_tls-to-options.c.patch [bz#2057267] - kvm-migration-Move-qmp_migrate_set_parameters-to-options.patch [bz#2057267] - kvm-migration-Allow-postcopy_ram_supported_by_host-to-re.patch [bz#2057267] - kvm-block-bdrv-blk_co_unref-for-calls-in-coroutine-conte.patch [bz#2185688] - kvm-block-Don-t-call-no_coroutine_fns-in-qmp_block_resiz.patch [bz#2185688] - kvm-iotests-Use-alternative-CPU-type-that-is-not-depreca.patch [bz#2185688] - kvm-iotests-Test-resizing-image-attached-to-an-iothread.patch [bz#2185688] - kvm-Enable-Linux-io_uring.patch [bz#1947230] - Resolves: bz#2058982 (Qemu core dump if cut off nfs storage during migration) - Resolves: bz#2057267 (Migration with postcopy fail when vm set with shared memory) - Resolves: bz#2185688 ([qemu-kvm] no response with QMP command block_resize) - Resolves: bz#1947230 (Enable QEMU support for io_uring in RHEL9)
2023-05-22 05:24:31 +00:00
From d772464e9a51a085e10864b2dc7ffd49991fc23b Mon Sep 17 00:00:00 2001
From: Juan Quintela <quintela@redhat.com>
Date: Wed, 1 Mar 2023 21:02:42 +0100
Subject: [PATCH 22/56] migration: Create migrate_cap_set()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Peter Xu <peterx@redhat.com>
RH-MergeRequest: 162: migration: Pretty failures for postcopy on unsupported memory types
RH-Bugzilla: 2057267
RH-Acked-by: Leonardo Brás <leobras@redhat.com>
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
RH-Acked-by: quintela1 <quintela@redhat.com>
RH-Commit: [21/50] 5b12f04013cf2d374a869134bb67c938c789e24d (peterx/qemu-kvm)
And remove the convoluted use of qmp_migrate_set_capabilities() to
enable disable MIGRATION_CAPABILITY_BLOCK.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
(cherry picked from commit 9eb1109cfba5415dd0b0cb82e80fc5e42fe861b7)
Signed-off-by: Peter Xu <peterx@redhat.com>
---
migration/migration.c | 34 ++++++++++++++++------------------
1 file changed, 16 insertions(+), 18 deletions(-)
diff --git a/migration/migration.c b/migration/migration.c
index b745d829a4..18058fb597 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1912,25 +1912,24 @@ void migrate_set_state(int *state, int old_state, int new_state)
}
}
-static MigrationCapabilityStatus *migrate_cap_add(MigrationCapability index,
- bool state)
+static bool migrate_cap_set(int cap, bool value, Error **errp)
{
- MigrationCapabilityStatus *cap;
-
- cap = g_new0(MigrationCapabilityStatus, 1);
- cap->capability = index;
- cap->state = state;
+ MigrationState *s = migrate_get_current();
+ bool new_caps[MIGRATION_CAPABILITY__MAX];
- return cap;
-}
+ if (migration_is_running(s->state)) {
+ error_setg(errp, QERR_MIGRATION_ACTIVE);
+ return false;
+ }
-void migrate_set_block_enabled(bool value, Error **errp)
-{
- MigrationCapabilityStatusList *cap = NULL;
+ memcpy(new_caps, s->capabilities, sizeof(new_caps));
+ new_caps[cap] = value;
- QAPI_LIST_PREPEND(cap, migrate_cap_add(MIGRATION_CAPABILITY_BLOCK, value));
- qmp_migrate_set_capabilities(cap, errp);
- qapi_free_MigrationCapabilityStatusList(cap);
+ if (!migrate_caps_check(s->capabilities, new_caps, errp)) {
+ return false;
+ }
+ s->capabilities[cap] = value;
+ return true;
}
static void migrate_set_block_incremental(MigrationState *s, bool value)
@@ -1942,7 +1941,7 @@ static void block_cleanup_parameters(MigrationState *s)
{
if (s->must_remove_block_options) {
/* setting to false can never fail */
- migrate_set_block_enabled(false, &error_abort);
+ migrate_cap_set(MIGRATION_CAPABILITY_BLOCK, false, &error_abort);
migrate_set_block_incremental(s, false);
s->must_remove_block_options = false;
}
@@ -2429,8 +2428,7 @@ static bool migrate_prepare(MigrationState *s, bool blk, bool blk_inc,
"current migration capabilities");
return false;
}
- migrate_set_block_enabled(true, &local_err);
- if (local_err) {
+ if (!migrate_cap_set(MIGRATION_CAPABILITY_BLOCK, true, &local_err)) {
error_propagate(errp, local_err);
return false;
}
--
2.39.1