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[99.254.114.190]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6d19c57c1ffsm22802276d6.89.2024.10.30.08.58.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Oct 2024 08:58:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1730303887; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=eEuFCgBxTvksT6iByDhahXGFDYrMUUEVp3vLKzxjgS8=; b=AYQ/0NQjAawfucEv2IkNGmAqIOHEU4j4H9uyCZps5zlSOLNhRcf3rYPDQWqa7F+p2RShC8 vhypOFLodq7Y0EzVqfrh7eXs6lF5uvVQca4EpBpHL8HB+DnL/Hbd3UjajmRNc90LPz+BQh mp1e8Bk2sqnHLBK6pRU3k54HqVrf5Cw= X-MC-Unique: FgobQgnBPX2yDodQSkw68w-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730303885; x=1730908685; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=eEuFCgBxTvksT6iByDhahXGFDYrMUUEVp3vLKzxjgS8=; b=j1UpQ1bKgya8/FVAKhTefMjChfZTYJfdqMyfcN5ZZGDVPAKdNjdkjNts5uvwokubWg MFvcom54LRdRtcQGNX0awf5TvfIKzpiWC4/yPNW76D5B9iNKtYdD/UDTaov09JPdJeuu Wvt49w0FiB/weoWLEuP6jfkU4I05lJCHL2D8A8tp8V7FbKqNj0bW3AwqExLKdN4hRiqQ SGzilHs9H2hG6qVqqf+PIA/sjkgfk+n8+3B5Y605XW65BXQ+5dG71dBwc4RZfzEKyEYi 4rdt3fQTrh9/lKeJaQ430tmuG4weCZcRiwCt5lmTrCi9WZcuFCWU5loEP54VE4ry3dx0 gNRQ== X-Gm-Message-State: AOJu0Yxo9UGmNbBZhHiwYXtHIX9MsWmaVF3YMYlDoNY/clRYJIcnXcA/ cUtA70W/IQ6L+ccj0lB4PMj2kfMjEeiPEoxFJ61T+0qL1NHFz4dth6Kz/8fFrT205BsXClgfsSu O/KRxhwypelI8xK8vJmMWVUCUIJDJpBaRjGeoQIGwVip14+ZdWQAPum8QeRoU0kBctJjpf3e3K+ INJZuPnuUbif+Fxuz4na8fr4X6+B228d1ecQ== X-Received: by 2002:a05:6214:5411:b0:6cb:ee08:d4c1 with SMTP id 6a1803df08f44-6d1856c4a8cmr271025556d6.13.1730303885064; Wed, 30 Oct 2024 08:58:05 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHk5gSrGBUIiTsDaJSjzfnOaaIwNnmO/TG15vPt/ryAgxB6jM3CKl97CDg/ODol3O+GWP2l2A== X-Received: by 2002:a05:6214:5411:b0:6cb:ee08:d4c1 with SMTP id 6a1803df08f44-6d1856c4a8cmr271025216d6.13.1730303884570; Wed, 30 Oct 2024 08:58:04 -0700 (PDT) From: Peter Xu To: qemu-devel@nongnu.org Cc: Fabiano Rosas , Peter Maydell , Peter Xu , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PULL 16/18] migration: Drop migration_is_idle() Date: Wed, 30 Oct 2024 11:57:32 -0400 Message-ID: <20241030155734.2141398-17-peterx@redhat.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20241030155734.2141398-1-peterx@redhat.com> References: <20241030155734.2141398-1-peterx@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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=170.10.133.124; envelope-from=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.366, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_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: 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 @redhat.com) X-ZM-MESSAGEID: 1730304000609116600 Now with the current migration_is_running(), it will report exactly the opposite of what will be reported by migration_is_idle(). Drop migration_is_idle(), instead use "!migration_is_running()" which should be identical on functionality. In reality, most of the idle check is inverted, so it's even easier to write with "migrate_is_running()" check. Reviewed-by: C=C3=A9dric Le Goater Reviewed-by: Fabiano Rosas Link: https://lore.kernel.org/r/20241024213056.1395400-6-peterx@redhat.com Signed-off-by: Peter Xu --- include/migration/misc.h | 1 - hw/virtio/virtio-mem.c | 2 +- migration/migration.c | 21 +-------------------- migration/ram.c | 2 +- system/qdev-monitor.c | 4 ++-- 5 files changed, 5 insertions(+), 25 deletions(-) diff --git a/include/migration/misc.h b/include/migration/misc.h index 86ef160f19..804eb23c06 100644 --- a/include/migration/misc.h +++ b/include/migration/misc.h @@ -53,7 +53,6 @@ void dump_vmstate_json_to_file(FILE *out_fp); void migration_object_init(void); void migration_shutdown(void); =20 -bool migration_is_idle(void); bool migration_is_active(void); bool migration_is_device(void); bool migration_is_running(void); diff --git a/hw/virtio/virtio-mem.c b/hw/virtio/virtio-mem.c index ae1e81d7ba..80ada89551 100644 --- a/hw/virtio/virtio-mem.c +++ b/hw/virtio/virtio-mem.c @@ -188,7 +188,7 @@ static bool virtio_mem_is_busy(void) * after plugging them) until we're running on the destination (as we = didn't * migrate these blocks when they were unplugged). */ - return migration_in_incoming_postcopy() || !migration_is_idle(); + return migration_in_incoming_postcopy() || migration_is_running(); } =20 typedef int (*virtio_mem_range_cb)(VirtIOMEM *vmem, void *arg, diff --git a/migration/migration.c b/migration/migration.c index cab65ba8db..04d7e67897 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1633,25 +1633,6 @@ bool migration_in_bg_snapshot(void) return migrate_background_snapshot() && migration_is_running(); } =20 -bool migration_is_idle(void) -{ - MigrationState *s =3D current_migration; - - if (!s) { - return true; - } - - switch (s->state) { - case MIGRATION_STATUS_NONE: - case MIGRATION_STATUS_CANCELLED: - case MIGRATION_STATUS_COMPLETED: - case MIGRATION_STATUS_FAILED: - return true; - default: - return false; - } -} - bool migration_is_active(void) { MigrationState *s =3D current_migration; @@ -1730,7 +1711,7 @@ static bool is_busy(Error **reasonp, Error **errp) ERRP_GUARD(); =20 /* Snapshots are similar to migrations, so check RUN_STATE_SAVE_VM too= . */ - if (runstate_check(RUN_STATE_SAVE_VM) || !migration_is_idle()) { + if (runstate_check(RUN_STATE_SAVE_VM) || migration_is_running()) { error_propagate_prepend(errp, *reasonp, "disallowing migration blocker " "(migration/snapshot in progress) for: "); diff --git a/migration/ram.c b/migration/ram.c index 5646a0b882..504b48d584 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -4498,7 +4498,7 @@ static void ram_mig_ram_block_resized(RAMBlockNotifie= r *n, void *host, return; } =20 - if (!migration_is_idle()) { + if (migration_is_running()) { /* * Precopy code on the source cannot deal with the size of RAM blo= cks * changing at random points in time - especially after sending the diff --git a/system/qdev-monitor.c b/system/qdev-monitor.c index 44994ea0e1..320c47b72d 100644 --- a/system/qdev-monitor.c +++ b/system/qdev-monitor.c @@ -679,7 +679,7 @@ DeviceState *qdev_device_add_from_qdict(const QDict *op= ts, return NULL; } =20 - if (!migration_is_idle()) { + if (migration_is_running()) { error_setg(errp, "device_add not allowed while migrating"); return NULL; } @@ -928,7 +928,7 @@ void qdev_unplug(DeviceState *dev, Error **errp) return; } =20 - if (!migration_is_idle() && !dev->allow_unplug_during_migration) { + if (migration_is_running() && !dev->allow_unplug_during_migration) { error_setg(errp, "device_del not allowed while migrating"); return; } --=20 2.45.0