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bh=nadf+TWitNjFU/RDFRbNn80F/t/s0DMQqW9FyvH7ErA=; b=nZKQwKu8rk9MVxfLDd/aoWgCXMp4YXwaM4/1Jm2hfn2XptRdTzM+n9YXatIHFJYrgqWql9 0Lv+6GC/tOPcrw/G8ZZmoj4xY/1rEInh+NvyRQR9g4exquvp9zjTj4xvVYW6P6+Z2GvdZA HuVe6tXGewZPMcP/cxl6nh9HJ4kzhUg= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1769198066; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=nadf+TWitNjFU/RDFRbNn80F/t/s0DMQqW9FyvH7ErA=; b=JV1K7hpwVjpUVVSDAbah5fGjb8cc+uyZPzF86MoLG8QHjvyntbg8SkwZ1YH3yPefQbOFcx xLLL9VCnHnH0woAg== From: Fabiano Rosas To: qemu-devel@nongnu.org Cc: Peter Xu , Mark Kanda , Ben Chaney , Prasad Pandit Subject: [PULL 17/36] migration: Use migrate_mode() to query for cpr-transfer Date: Fri, 23 Jan 2026 16:53:32 -0300 Message-ID: <20260123195352.12850-18-farosas@suse.de> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260123195352.12850-1-farosas@suse.de> References: <20260123195352.12850-1-farosas@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -2.80 X-Spamd-Result: default: False [-2.80 / 50.00]; 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charset="utf-8" cpr_set_incoming_mode() is only called on the target side, so migrate_mode() on the source side is the same as s->parameters.mode. Use the function to reduce explicit access to s->parameters, we have options.c for that. Cc: Mark Kanda Cc: Ben Chaney Reviewed-by: Peter Xu Reviewed-by: Prasad Pandit Link: https://lore.kernel.org/qemu-devel/20260123141656.6765-7-farosas@suse= .de Signed-off-by: Fabiano Rosas --- migration/cpr-exec.c | 2 +- migration/migration.c | 27 +++++++++++++-------------- migration/migration.h | 5 ++--- 3 files changed, 16 insertions(+), 18 deletions(-) diff --git a/migration/cpr-exec.c b/migration/cpr-exec.c index da287d8031..e315a30f92 100644 --- a/migration/cpr-exec.c +++ b/migration/cpr-exec.c @@ -164,7 +164,7 @@ static void cpr_exec_cb(void *opaque) err =3D NULL; =20 /* Note, we can go from state COMPLETED to FAILED */ - migration_call_notifiers(s, MIG_EVENT_PRECOPY_FAILED, NULL); + migration_call_notifiers(MIG_EVENT_PRECOPY_FAILED, NULL); =20 if (!migration_block_activate(&err)) { /* error was already reported */ diff --git a/migration/migration.c b/migration/migration.c index ec45996654..d34c31298e 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1533,7 +1533,7 @@ static void migration_cleanup(MigrationState *s) } type =3D migration_has_failed(s) ? MIG_EVENT_PRECOPY_FAILED : MIG_EVENT_PRECOPY_DONE; - migration_call_notifiers(s, type, NULL); + migration_call_notifiers(type, NULL); yank_unregister_instance(MIGRATION_YANK_INSTANCE); } =20 @@ -1693,10 +1693,9 @@ void migration_remove_notifier(NotifierWithReturn *n= otify) } } =20 -int migration_call_notifiers(MigrationState *s, MigrationEventType type, - Error **errp) +int migration_call_notifiers(MigrationEventType type, Error **errp) { - MigMode mode =3D s->parameters.mode; + MigMode mode =3D migrate_mode(); MigrationEvent e; NotifierWithReturn *notifier; GSList *elem, *next; @@ -1777,9 +1776,9 @@ bool migration_thread_is_self(void) return qemu_thread_is_self(&s->thread); } =20 -bool migrate_mode_is_cpr(MigrationState *s) +bool migrate_mode_is_cpr(void) { - MigMode mode =3D s->parameters.mode; + MigMode mode =3D migrate_mode(); return mode =3D=3D MIG_MODE_CPR_REBOOT || mode =3D=3D MIG_MODE_CPR_TRANSFER || mode =3D=3D MIG_MODE_CPR_EXEC; @@ -2133,7 +2132,7 @@ static bool migrate_prepare(MigrationState *s, bool r= esume, Error **errp) } } =20 - if (migrate_mode_is_cpr(s)) { + if (migrate_mode_is_cpr()) { const char *conflict =3D NULL; =20 if (migrate_postcopy()) { @@ -2249,7 +2248,7 @@ void qmp_migrate(const char *uri, bool has_channels, return; } =20 - if (s->parameters.mode =3D=3D MIG_MODE_CPR_TRANSFER && !cpr_channel) { + if (migrate_mode() =3D=3D MIG_MODE_CPR_TRANSFER && !cpr_channel) { error_setg(errp, "missing 'cpr' migration channel"); return; } @@ -2274,7 +2273,7 @@ void qmp_migrate(const char *uri, bool has_channels, * in which case the target will not listen for the incoming migration * connection, so qmp_migrate_finish will fail to connect, and then re= cover. */ - if (s->parameters.mode =3D=3D MIG_MODE_CPR_TRANSFER) { + if (migrate_mode() =3D=3D MIG_MODE_CPR_TRANSFER) { migrate_hup_add(s, cpr_state_ioc(), (GSourceFunc)qmp_migrate_finis= h_cb, QAPI_CLONE(MigrationAddress, addr)); =20 @@ -2849,7 +2848,7 @@ static int postcopy_start(MigrationState *ms, Error *= *errp) * at the transition to postcopy and after the device state; in partic= ular * spice needs to trigger a transition now */ - migration_call_notifiers(ms, MIG_EVENT_PRECOPY_DONE, NULL); + migration_call_notifiers(MIG_EVENT_PRECOPY_DONE, NULL); =20 migration_downtime_end(ms); =20 @@ -2898,7 +2897,7 @@ fail: migrate_set_state(&ms->state, ms->state, MIGRATION_STATUS_FAILED); } migration_block_activate(NULL); - migration_call_notifiers(ms, MIG_EVENT_PRECOPY_FAILED, NULL); + migration_call_notifiers(MIG_EVENT_PRECOPY_FAILED, NULL); bql_unlock(); return -1; } @@ -3000,7 +2999,7 @@ static int migration_completion_precopy(MigrationStat= e *s) =20 bql_lock(); =20 - if (!migrate_mode_is_cpr(s)) { + if (!migrate_mode_is_cpr()) { ret =3D migration_stop_vm(s, RUN_STATE_FINISH_MIGRATE); if (ret < 0) { goto out_unlock; @@ -4041,7 +4040,7 @@ void migration_connect(MigrationState *s, Error *erro= r_in) rate_limit =3D migrate_max_bandwidth(); =20 /* Notify before starting migration thread */ - if (migration_call_notifiers(s, MIG_EVENT_PRECOPY_SETUP, &local_er= r)) { + if (migration_call_notifiers(MIG_EVENT_PRECOPY_SETUP, &local_err))= { goto fail; } } @@ -4077,7 +4076,7 @@ void migration_connect(MigrationState *s, Error *erro= r_in) return; } =20 - if (migrate_mode_is_cpr(s)) { + if (migrate_mode_is_cpr()) { ret =3D migration_stop_vm(s, RUN_STATE_FINISH_MIGRATE); if (ret < 0) { error_setg(&local_err, "migration_stop_vm failed, error %d", -= ret); diff --git a/migration/migration.h b/migration/migration.h index ccc4e536a5..8b55d4741a 100644 --- a/migration/migration.h +++ b/migration/migration.h @@ -538,8 +538,7 @@ bool migrate_has_error(MigrationState *s); =20 void migration_connect(MigrationState *s, Error *error_in); =20 -int migration_call_notifiers(MigrationState *s, MigrationEventType type, - Error **errp); +int migration_call_notifiers(MigrationEventType type, Error **errp); =20 int migrate_init(MigrationState *s, Error **errp); bool migration_is_blocked(Error **errp); @@ -548,7 +547,7 @@ bool migration_in_postcopy(void); bool migration_postcopy_is_alive(MigrationStatus state); MigrationState *migrate_get_current(void); bool migration_has_failed(MigrationState *); -bool migrate_mode_is_cpr(MigrationState *); +bool migrate_mode_is_cpr(void); =20 uint64_t ram_get_total_transferred_pages(void); =20 --=20 2.51.0