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a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1773061671; 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=eAlk+qZJQ+itxdthlB4L4Nvinczj1d6sime3WKa0b5g=; b=e2Ap9253cbcXiRhcp2E9csHO3wIklGr79cTMnWzlcocXJ9e/1Vxq0Uh15iVHzYuSRaTkBK A8o3c81z+7Nmk7Dw== From: Fabiano Rosas To: qemu-devel@nongnu.org Cc: Peter Xu , Lukas Straub Subject: [PULL 10/22] Call colo_release_ram_cache() after multifd threads terminate Date: Mon, 9 Mar 2026 10:07:15 -0300 Message-ID: <20260309130730.20526-11-farosas@suse.de> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260309130730.20526-1-farosas@suse.de> References: <20260309130730.20526-1-farosas@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spamd-Result: default: False [-3.01 / 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)[]; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=195.135.223.131; envelope-from=farosas@suse.de; helo=smtp-out2.suse.de X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 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, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.819, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.903, 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: qemu development 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: 1773061891954158500 Content-Type: text/plain; charset="utf-8" From: Lukas Straub The multifd threads still may access the colo cache, so release it only after they terminate. Reviewed-by: Fabiano Rosas Reviewed-by: Peter Xu Signed-off-by: Lukas Straub Link: https://lore.kernel.org/qemu-devel/20260302-colo_unit_test_multifd-v1= 1-9-d653fb3b1d80@web.de Signed-off-by: Fabiano Rosas --- migration/colo.c | 3 --- migration/migration.c | 3 +++ 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/migration/colo.c b/migration/colo.c index 97a224c39c..96102c9d0f 100644 --- a/migration/colo.c +++ b/migration/colo.c @@ -949,7 +949,4 @@ void coroutine_fn colo_incoming_co(void) /* Wait checkpoint incoming thread exit before free resource */ qemu_thread_join(&th); bql_lock(); - - /* We hold the global BQL, so it is safe here */ - colo_release_ram_cache(); } diff --git a/migration/migration.c b/migration/migration.c index f10abf91e2..53bf87c3fc 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -454,6 +454,9 @@ void migration_incoming_state_destroy(void) * BQL and retake unconditionally. */ assert(bql_locked()); + if (migrate_colo()) { + colo_release_ram_cache(); + } qemu_loadvm_state_cleanup(mis); =20 if (mis->to_src_file) { --=20 2.51.0