[PULL v2 07/13] migration: Remove 'skipped' field from MigrationStats

Fabiano Rosas posted 13 patches 6 months, 2 weeks ago
Maintainers: "Alex Bennée" <alex.bennee@linaro.org>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Thomas Huth <thuth@redhat.com>, Wainer dos Santos Moschetta <wainersm@redhat.com>, Beraldo Leal <bleal@redhat.com>, Peter Xu <peterx@redhat.com>, Fabiano Rosas <farosas@suse.de>, "Dr. David Alan Gilbert" <dave@treblig.org>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Yanan Wang <wangyanan55@huawei.com>, Paolo Bonzini <pbonzini@redhat.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Hailiang Zhang <zhanghailiang@xfusion.com>, Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Laurent Vivier <lvivier@redhat.com>
[PULL v2 07/13] migration: Remove 'skipped' field from MigrationStats
Posted by Fabiano Rosas 6 months, 2 weeks ago
The 'skipped' field of the MigrationStats struct has been deprecated
in 8.1. Time to remove it.

Deprecation commit 7b24d32634 ("migration: skipped field is really
obsolete.").

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
---
 docs/about/deprecated.rst       | 6 ------
 docs/about/removed-features.rst | 6 ++++++
 migration/migration-hmp-cmds.c  | 2 --
 migration/migration.c           | 2 --
 qapi/migration.json             | 8 --------
 5 files changed, 6 insertions(+), 18 deletions(-)

diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index 03f8b1b655..94d3e53513 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -477,12 +477,6 @@ option).
 Migration
 ---------
 
-``skipped`` MigrationStats field (since 8.1)
-''''''''''''''''''''''''''''''''''''''''''''
-
-``skipped`` field in Migration stats has been deprecated.  It hasn't
-been used for more than 10 years.
-
 ``inc`` migrate command option (since 8.2)
 ''''''''''''''''''''''''''''''''''''''''''
 
diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst
index 53ca08aba9..c4cb2692d0 100644
--- a/docs/about/removed-features.rst
+++ b/docs/about/removed-features.rst
@@ -614,6 +614,12 @@ was superseded by ``sections``.
 Member ``section-size`` in the return value of ``query-sgx-capabilities``
 was superseded by ``sections``.
 
+``query-migrate`` return value member ``skipped`` (removed in 9.1)
+''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
+
+Member ``skipped`` of the ``MigrationStats`` struct hasn't been used
+for more than 10 years. Removed with no replacement.
+
 Human Monitor Protocol (HMP) commands
 -------------------------------------
 
diff --git a/migration/migration-hmp-cmds.c b/migration/migration-hmp-cmds.c
index 23181bbee1..b6b2035f64 100644
--- a/migration/migration-hmp-cmds.c
+++ b/migration/migration-hmp-cmds.c
@@ -105,8 +105,6 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict)
                        info->ram->total >> 10);
         monitor_printf(mon, "duplicate: %" PRIu64 " pages\n",
                        info->ram->duplicate);
-        monitor_printf(mon, "skipped: %" PRIu64 " pages\n",
-                       info->ram->skipped);
         monitor_printf(mon, "normal: %" PRIu64 " pages\n",
                        info->ram->normal);
         monitor_printf(mon, "normal bytes: %" PRIu64 " kbytes\n",
diff --git a/migration/migration.c b/migration/migration.c
index 289afa8d85..a4be929e40 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1156,8 +1156,6 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s)
     info->ram->transferred = migration_transferred_bytes();
     info->ram->total = ram_bytes_total();
     info->ram->duplicate = stat64_get(&mig_stats.zero_pages);
-    /* legacy value.  It is not used anymore */
-    info->ram->skipped = 0;
     info->ram->normal = stat64_get(&mig_stats.normal_pages);
     info->ram->normal_bytes = info->ram->normal * page_size;
     info->ram->mbps = s->mbps;
diff --git a/qapi/migration.json b/qapi/migration.json
index 9feed413b5..2dd70f1c0e 100644
--- a/qapi/migration.json
+++ b/qapi/migration.json
@@ -23,9 +23,6 @@
 #
 # @duplicate: number of duplicate (zero) pages (since 1.2)
 #
-# @skipped: number of skipped zero pages.  Always zero, only provided
-#     for compatibility (since 1.5)
-#
 # @normal: number of normal pages (since 1.2)
 #
 # @normal-bytes: number of normal bytes sent (since 1.2)
@@ -63,16 +60,11 @@
 #     between 0 and @dirty-sync-count * @multifd-channels.  (since
 #     7.1)
 #
-# Features:
-#
-# @deprecated: Member @skipped is always zero since 1.5.3
-#
 # Since: 0.14
 ##
 { 'struct': 'MigrationStats',
   'data': {'transferred': 'int', 'remaining': 'int', 'total': 'int' ,
            'duplicate': 'int',
-           'skipped': { 'type': 'int', 'features': [ 'deprecated' ] },
            'normal': 'int',
            'normal-bytes': 'int', 'dirty-pages-rate': 'int',
            'mbps': 'number', 'dirty-sync-count': 'int',
-- 
2.35.3