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b=sNUXpqscbhZdHLcWoMq/p+yBF6BNOERLrTylv7ai78+yIAwsk9lzqnIv+wxCpSY8YemQg+ IdVngJIJaVOeZ4E/uyDHRzNZQZTSaZkN5gTJYaUUD6QyyqcGXyjfXKiULfkSv4fbACxZHi ElbghGhAJ3WkoN/0kq9eNBJ92CTsAVc= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1767962465; 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=I48TAE/xOk1nyMvRWHsE2sVDHDMfT/YwQ7tRGYv4E04=; b=blH8NPfN06FSZKtL/w/vLMFfr1Pz1SMIQsr0y0TRAuOMJmUuwRXrZ7V7FIHxhHWKf1iRIO FlmF51hh2JRwPUBQ== From: Fabiano Rosas To: qemu-devel@nongnu.org Cc: peterx@redhat.com, berrange@redhat.com Subject: [PATCH v3 09/25] migration: Expand migration_connect_error_propagate to cover cancelling Date: Fri, 9 Jan 2026 09:40:25 -0300 Message-ID: <20260109124043.25019-10-farosas@suse.de> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260109124043.25019-1-farosas@suse.de> References: <20260109124043.25019-1-farosas@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spamd-Result: default: False [-2.80 / 50.00]; BAYES_HAM(-3.00)[99.99%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-0.999]; MIME_GOOD(-0.10)[text/plain]; FUZZY_RATELIMITED(0.00)[rspamd.com]; RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid,suse.de:email]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; RCVD_TLS_ALL(0.00)[] X-Spam-Score: -2.80 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a07:de40:b251:101:10:150:64:1; envelope-from=farosas@suse.de; helo=smtp-out1.suse.de X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @suse.de) X-ZM-MESSAGEID: 1767962551550158500 Content-Type: text/plain; charset="utf-8" Cover the CANCELLING state in migration_connect_error_propagate() and use it to funnel errors from migrate_prepare() until the end of migration_connect(). (add some line breaks for legibility) Reviewed-by: Peter Xu Signed-off-by: Fabiano Rosas Reviewed-by: Prasad Pandit --- migration/migration.c | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index 7bef787f00..259b60af04 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1575,18 +1575,25 @@ static void migrate_error_free(MigrationState *s) static void migration_connect_error_propagate(MigrationState *s, Error *er= ror) { MigrationStatus current =3D s->state; - MigrationStatus next; - - assert(s->to_dst_file =3D=3D NULL); + MigrationStatus next =3D MIGRATION_STATUS_NONE; =20 switch (current) { case MIGRATION_STATUS_SETUP: next =3D MIGRATION_STATUS_FAILED; break; + case MIGRATION_STATUS_POSTCOPY_RECOVER_SETUP: /* Never fail a postcopy migration; switch back to PAUSED instead = */ next =3D MIGRATION_STATUS_POSTCOPY_PAUSED; break; + + case MIGRATION_STATUS_CANCELLING: + /* + * Don't move out of CANCELLING, the only valid transition is to + * CANCELLED, at migration_cleanup(). + */ + break; + default: /* * This really shouldn't happen. Just be careful to not crash a VM @@ -1597,7 +1604,10 @@ static void migration_connect_error_propagate(Migrat= ionState *s, Error *error) return; } =20 - migrate_set_state(&s->state, current, next); + if (next) { + migrate_set_state(&s->state, current, next); + } + migrate_error_propagate(s, error); } =20 @@ -4106,10 +4116,7 @@ void migration_connect(MigrationState *s, Error *err= or_in) return; =20 fail: - migrate_error_propagate(s, error_copy(local_err)); - if (s->state !=3D MIGRATION_STATUS_CANCELLING) { - migrate_set_state(&s->state, s->state, MIGRATION_STATUS_FAILED); - } + migration_connect_error_propagate(s, local_err); migration_cleanup(s); if (s->error) { error_report_err(error_copy(s->error)); --=20 2.51.0