From patchwork Thu Feb 9 23:34:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juan Quintela X-Patchwork-Id: 13135225 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 96C5CC05027 for ; Thu, 9 Feb 2023 23:36:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231248AbjBIXgx (ORCPT ); Thu, 9 Feb 2023 18:36:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43064 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231175AbjBIXgX (ORCPT ); Thu, 9 Feb 2023 18:36:23 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0E1096E8B7 for ; Thu, 9 Feb 2023 15:35:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1675985697; h=from:from:reply-to:subject:subject: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=eSONnSCSQzL00YkXEaKWMv/0oOpN2PHY8jE8o91oEEs=; b=IGhslA2n/G8c3uJeX+nBce+bujKQuh7xpKnZVHfoYd+DV5Xf0plWMOMwM6H+BJdnmX8MGe LWvt9UFkuDDjXzI1Ca56tqLCsgNBowRDJFel8jBMwzZbczrFa73Xwa4xZkOsaBGiGDzH3q nSBYa7H2stnFCLiZA1FNmmNBd150OgE= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-342-LieolCfUM9mlmU8WvfAjNA-1; Thu, 09 Feb 2023 18:34:54 -0500 X-MC-Unique: LieolCfUM9mlmU8WvfAjNA-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E285338060FE; Thu, 9 Feb 2023 23:34:53 +0000 (UTC) Received: from secure.mitica (unknown [10.39.192.29]) by smtp.corp.redhat.com (Postfix) with ESMTP id 233C4175AD; Thu, 9 Feb 2023 23:34:52 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Cc: kvm@vger.kernel.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Juan Quintela , "Dr. David Alan Gilbert" , =?utf-8?q?Daniel_P=2E_Berra?= =?utf-8?q?ng=C3=A9?= , Paolo Bonzini , Cornelia Huck , "Michael S. Tsirkin" , Thomas Huth , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= Subject: [PULL 11/17] migration: I messed state_pending_exact/estimate Date: Fri, 10 Feb 2023 00:34:20 +0100 Message-Id: <20230209233426.37811-12-quintela@redhat.com> In-Reply-To: <20230209233426.37811-1-quintela@redhat.com> References: <20230209233426.37811-1-quintela@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org I called the helper function from the wrong top level function. This code was introduced in: commit c8df4a7aeffcb46020f610526eea621fa5b0cd47 Author: Juan Quintela Date: Mon Oct 3 02:00:03 2022 +0200 migration: Split save_live_pending() into state_pending_* We split the function into to: - state_pending_estimate: We estimate the remaining state size without stopping the machine. - state pending_exact: We calculate the exact amount of remaining state. Thanks to Avihai Horon for finding it. Fixes:c8df4a7aeffcb46020f610526eea621fa5b0cd47 When we introduced that patch, we enden calling state_pending_estimate() helper from qemu_savevm_statepending_exact() and state_pending_exact() helper from qemu_savevm_statepending_estimate() This patch fixes it. Reviewed-by: Dr. David Alan Gilbert Signed-off-by: Juan Quintela --- migration/savevm.c | 50 +++++++++++++++++++++++----------------------- 1 file changed, 25 insertions(+), 25 deletions(-) diff --git a/migration/savevm.c b/migration/savevm.c index e9cf4999ad..ce181e21e1 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -1551,31 +1551,6 @@ void qemu_savevm_state_pending_estimate(uint64_t *res_precopy_only, *res_compatible = 0; *res_postcopy_only = 0; - QTAILQ_FOREACH(se, &savevm_state.handlers, entry) { - if (!se->ops || !se->ops->state_pending_exact) { - continue; - } - if (se->ops->is_active) { - if (!se->ops->is_active(se->opaque)) { - continue; - } - } - se->ops->state_pending_exact(se->opaque, - res_precopy_only, res_compatible, - res_postcopy_only); - } -} - -void qemu_savevm_state_pending_exact(uint64_t *res_precopy_only, - uint64_t *res_compatible, - uint64_t *res_postcopy_only) -{ - SaveStateEntry *se; - - *res_precopy_only = 0; - *res_compatible = 0; - *res_postcopy_only = 0; - QTAILQ_FOREACH(se, &savevm_state.handlers, entry) { if (!se->ops || !se->ops->state_pending_estimate) { continue; @@ -1591,6 +1566,31 @@ void qemu_savevm_state_pending_exact(uint64_t *res_precopy_only, } } +void qemu_savevm_state_pending_exact(uint64_t *res_precopy_only, + uint64_t *res_compatible, + uint64_t *res_postcopy_only) +{ + SaveStateEntry *se; + + *res_precopy_only = 0; + *res_compatible = 0; + *res_postcopy_only = 0; + + QTAILQ_FOREACH(se, &savevm_state.handlers, entry) { + if (!se->ops || !se->ops->state_pending_exact) { + continue; + } + if (se->ops->is_active) { + if (!se->ops->is_active(se->opaque)) { + continue; + } + } + se->ops->state_pending_exact(se->opaque, + res_precopy_only, res_compatible, + res_postcopy_only); + } +} + void qemu_savevm_state_cleanup(void) { SaveStateEntry *se;