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Mon, 30 Jan 2023 03:10:14 -0500 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-512-Y1KXsbPOMriE9rqeTj5HUQ-1; Mon, 30 Jan 2023 03:10:08 -0500 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id AB6D11C07584; Mon, 30 Jan 2023 08:10:07 +0000 (UTC) Received: from secure.mitica (unknown [10.39.192.57]) by smtp.corp.redhat.com (Postfix) with ESMTP id 13E0940C2004; Mon, 30 Jan 2023 08:10:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1675066212; 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=6O4OvNOjVX8E1ma9PGuGDqk+ew+RduD3biRsujIKu/Y=; b=RwwO87m6HhotPUq4h/H70V/wZOWNpt5YLOMHf2vSaNNERSQfPkabRkbfs/hKqh37g5XQyq WABdVS33aUELC7Dx3BvP6gHe83glTX3aezZ43zNqVQRhuRH+Jsky+w0LzDveZSc9tXPGvZ /bMz3t6tW0p/Ha3/VkO2xrFXKYBc5is= X-MC-Unique: Y1KXsbPOMriE9rqeTj5HUQ-1 From: Juan Quintela To: qemu-devel@nongnu.org Cc: Juan Quintela , Marcel Apfelbaum , Yanan Wang , Markus Armbruster , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , "Dr. David Alan Gilbert" , Eduardo Habkost , Eric Blake Subject: [PATCH v2 05/11] migration: Make ram_save_target_page() a pointer Date: Mon, 30 Jan 2023 09:09:50 +0100 Message-Id: <20230130080956.3047-6-quintela@redhat.com> In-Reply-To: <20230130080956.3047-1-quintela@redhat.com> References: <20230130080956.3047-1-quintela@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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_H2=-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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1675066300592100002 Content-Type: text/plain; charset="utf-8" We are going to create a new function for multifd latest in the series. Signed-off-by: Juan Quintela Reviewed-by: Dr. David Alan Gilbert --- migration/ram.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) diff --git a/migration/ram.c b/migration/ram.c index 885d7dbf23..04e1093cdc 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -450,6 +450,13 @@ void dirty_sync_missed_zero_copy(void) ram_counters.dirty_sync_missed_zero_copy++; } =20 +struct MigrationOps { + int (*ram_save_target_page)(RAMState *rs, PageSearchStatus *pss); +}; +typedef struct MigrationOps MigrationOps; + +MigrationOps *migration_ops; + CompressionStats compression_counters; =20 struct CompressParam { @@ -2265,14 +2272,14 @@ static bool save_compress_page(RAMState *rs, PageSe= archStatus *pss, } =20 /** - * ram_save_target_page: save one target page + * ram_save_target_page_legacy: save one target page * * Returns the number of pages written * * @rs: current RAM state * @pss: data about the page we want to send */ -static int ram_save_target_page(RAMState *rs, PageSearchStatus *pss) +static int ram_save_target_page_legacy(RAMState *rs, PageSearchStatus *pss) { RAMBlock *block =3D pss->block; ram_addr_t offset =3D ((ram_addr_t)pss->page) << TARGET_PAGE_BITS; @@ -2398,7 +2405,7 @@ static int ram_save_host_page_urgent(PageSearchStatus= *pss) =20 if (page_dirty) { /* Be strict to return code; it must be 1, or what else? */ - if (ram_save_target_page(rs, pss) !=3D 1) { + if (migration_ops->ram_save_target_page(rs, pss) !=3D 1) { error_report_once("%s: ram_save_target_page failed", __fun= c__); ret =3D -1; goto out; @@ -2467,7 +2474,7 @@ static int ram_save_host_page(RAMState *rs, PageSearc= hStatus *pss) if (preempt_active) { qemu_mutex_unlock(&rs->bitmap_mutex); } - tmppages =3D ram_save_target_page(rs, pss); + tmppages =3D migration_ops->ram_save_target_page(rs, pss); if (tmppages >=3D 0) { pages +=3D tmppages; /* @@ -2662,6 +2669,8 @@ static void ram_save_cleanup(void *opaque) xbzrle_cleanup(); compress_threads_save_cleanup(); ram_state_cleanup(rsp); + g_free(migration_ops); + migration_ops =3D NULL; } =20 static void ram_state_reset(RAMState *rs) @@ -3215,6 +3224,8 @@ static int ram_save_setup(QEMUFile *f, void *opaque) ram_control_before_iterate(f, RAM_CONTROL_SETUP); ram_control_after_iterate(f, RAM_CONTROL_SETUP); =20 + migration_ops =3D g_malloc0(sizeof(MigrationOps)); + migration_ops->ram_save_target_page =3D ram_save_target_page_legacy; ret =3D multifd_send_sync_main(f); if (ret < 0) { return ret; --=20 2.39.1