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dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b="sl2TdwB/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1769198054; 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=EMTf0uhPWrpw0qFSweSfrNMabonCrvDY5bWvqbymo7w=; b=Umz8XOMJ5KJK7QUVvPoLMtYlkwHYzmFNL8Vt6SOi+NoIsKgn12wDt6v1C75l1bnhs0h+od OA+Y0m6zXNlx6nEVQf5Iqyho3FdvruZqK7UIgFJL7fMmOmwvbej2W+mXj7RVnKBsHeJbjc sCSmWYzHN7onWkAKctopGWUMo6XE8Cw= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1769198054; 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=EMTf0uhPWrpw0qFSweSfrNMabonCrvDY5bWvqbymo7w=; b=sl2TdwB/ITuC/5/A/UxebuwdkNWWMNlR4Vey8z+HCE/1blgpPI+8HdIiPA0qWsGrXX332+ mIv6I2VZH3hwF8CA== From: Fabiano Rosas To: qemu-devel@nongnu.org Cc: Peter Xu , Markus Armbruster Subject: [PULL 10/36] migration: Remove zero-blocks capability Date: Fri, 23 Jan 2026 16:53:25 -0300 Message-ID: <20260123195352.12850-11-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: -3.01 X-Spamd-Result: default: False [-3.01 / 50.00]; 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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: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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: 1769198140212158500 Content-Type: text/plain; charset="utf-8" From: Peter Xu It was declared deprecated since 9.2. Reviewed-by: Fabiano Rosas Signed-off-by: Peter Xu Reviewed-by: Markus Armbruster Link: https://lore.kernel.org/qemu-devel/20260115225503.3083355-2-peterx@re= dhat.com Signed-off-by: Fabiano Rosas --- docs/about/deprecated.rst | 6 ------ docs/about/removed-features.rst | 7 +++++++ migration/options.c | 5 ----- qapi/migration.json | 12 ------------ 4 files changed, 7 insertions(+), 23 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 4595cc2db5..ae9a3b8aea 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -532,9 +532,3 @@ usage of providing a file descriptor to a plain file ha= s been deprecated in favor of explicitly using the ``file:`` URI with the file descriptor being passed as an ``fdset``. Refer to the ``add-fd`` command documentation for details on the ``fdset`` usage. - -``zero-blocks`` capability (since 9.2) -'''''''''''''''''''''''''''''''''''''' - -The ``zero-blocks`` capability was part of the block migration which -doesn't exist anymore since it was removed in QEMU v9.1. diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.= rst index ebdfb696ed..92f80a32e4 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -723,6 +723,13 @@ Block migration has been removed. For a replacement, s= ee "QMP invocation for live storage migration with ``blockdev-mirror`` + NBD" in docs/interop/live-block-operations.rst. =20 +``migrate-set-capabilities`` ``zero-blocks`` option (removed in 11.0) +''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' + +The ``zero-blocks`` capability was accidentally left behind when +block migration capability got removed in 9.1. Removed with no +replacement. + ``migrate-set-parameter`` ``compress-level`` option (removed in 9.1) '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' =20 diff --git a/migration/options.c b/migration/options.c index 9a5a39c886..68a4536150 100644 --- a/migration/options.c +++ b/migration/options.c @@ -188,7 +188,6 @@ const Property migration_properties[] =3D { DEFINE_PROP_MIG_CAP("x-xbzrle", MIGRATION_CAPABILITY_XBZRLE), DEFINE_PROP_MIG_CAP("x-rdma-pin-all", MIGRATION_CAPABILITY_RDMA_PIN_AL= L), DEFINE_PROP_MIG_CAP("x-auto-converge", MIGRATION_CAPABILITY_AUTO_CONVE= RGE), - DEFINE_PROP_MIG_CAP("x-zero-blocks", MIGRATION_CAPABILITY_ZERO_BLOCKS), DEFINE_PROP_MIG_CAP("x-events", MIGRATION_CAPABILITY_EVENTS), DEFINE_PROP_MIG_CAP("x-postcopy-ram", MIGRATION_CAPABILITY_POSTCOPY_RA= M), DEFINE_PROP_MIG_CAP("x-postcopy-preempt", @@ -576,10 +575,6 @@ bool migrate_caps_check(bool *old_caps, bool *new_caps= , Error **errp) ERRP_GUARD(); MigrationIncomingState *mis =3D migration_incoming_get_current(); =20 - if (new_caps[MIGRATION_CAPABILITY_ZERO_BLOCKS]) { - warn_report("zero-blocks capability is deprecated"); - } - #ifndef CONFIG_REPLICATION if (new_caps[MIGRATION_CAPABILITY_X_COLO]) { error_setg(errp, "QEMU compiled without replication module" diff --git a/qapi/migration.json b/qapi/migration.json index c99ae433e0..f925e5541b 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -440,13 +440,6 @@ # footprint is mlock()'d on demand or all at once. Refer to # docs/rdma.txt for usage. Disabled by default. (since 2.0) # -# @zero-blocks: During storage migration encode blocks of zeroes -# efficiently. This essentially saves 1MB of zeroes per block on -# the wire. Enabling requires source and target VM to support -# this feature. To enable it is sufficient to enable the -# capability on the source VM. The feature is disabled by -# default. (since 1.6) -# # @events: generate events for each migration state change (since 2.4) # # @auto-converge: If enabled, QEMU will automatically throttle down @@ -531,14 +524,10 @@ # # @unstable: Members @x-colo and @x-ignore-shared are experimental. # -# @deprecated: Member @zero-blocks is deprecated as being part of -# block migration which was already removed. -# # Since: 1.2 ## { 'enum': 'MigrationCapability', 'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', - { 'name': 'zero-blocks', 'features': [ 'deprecated' ] }, 'events', 'postcopy-ram', { 'name': 'x-colo', 'features': [ 'unstable' ] }, 'release-ram', @@ -595,7 +584,6 @@ # {"state": false, "capability": "xbzrle"}, # {"state": false, "capability": "rdma-pin-all"}, # {"state": false, "capability": "auto-converge"}, -# {"state": false, "capability": "zero-blocks"}, # {"state": true, "capability": "events"}, # {"state": false, "capability": "postcopy-ram"}, # {"state": false, "capability": "x-colo"} --=20 2.51.0