[{"id":3629443,"web_url":"http://patchwork.ozlabs.org/comment/3629443/","msgid":"","list_archive_url":null,"date":"2025-12-29T16:33:38","subject":"Re: [RFC PATCH 07/25] migration: Use migrate_mode() to query for\n cpr-transfer","submitter":{"id":67717,"url":"http://patchwork.ozlabs.org/api/people/67717/","name":"Peter Xu","email":"peterx@redhat.com"},"content":"On Fri, Dec 26, 2025 at 06:19:09PM -0300, Fabiano Rosas wrote:\n> cpr_set_incoming_mode() is only called on the target side, so\n> migrate_mode() on the source side is the same as s->parameters.mode.\n> \n> Use the function to reduce explicit access to s->parameters, we have\n> options.c for that.\n> \n> Signed-off-by: Fabiano Rosas \n\nReviewed-by: Peter Xu \n\nSaid that, we have three more users outside options.c. Wanna do it\ntogether? They are:\n\n migration_call_notifiers, migrate_mode_is_cpr, migrate_prepare.\n\n> ---\n> migration/migration.c | 4 ++--\n> 1 file changed, 2 insertions(+), 2 deletions(-)\n> \n> diff --git a/migration/migration.c b/migration/migration.c\n> index f2933f7789..4b1afcab24 100644\n> --- a/migration/migration.c\n> +++ b/migration/migration.c\n> @@ -2252,7 +2252,7 @@ void qmp_migrate(const char *uri, bool has_channels,\n> return;\n> }\n> \n> - if (s->parameters.mode == MIG_MODE_CPR_TRANSFER && !cpr_channel) {\n> + if (migrate_mode() == MIG_MODE_CPR_TRANSFER && !cpr_channel) {\n> error_setg(errp, \"missing 'cpr' migration channel\");\n> return;\n> }\n> @@ -2277,7 +2277,7 @@ void qmp_migrate(const char *uri, bool has_channels,\n> * in which case the target will not listen for the incoming migration\n> * connection, so qmp_migrate_finish will fail to connect, and then recover.\n> */\n> - if (s->parameters.mode == MIG_MODE_CPR_TRANSFER) {\n> + if (migrate_mode() == MIG_MODE_CPR_TRANSFER) {\n> migrate_hup_add(s, cpr_state_ioc(), (GSourceFunc)qmp_migrate_finish_cb,\n> QAPI_CLONE(MigrationAddress, addr));\n> \n> -- \n> 2.51.0\n>","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=V3lw1iCG;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=google header.b=s+6dWXFo;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Wanna do it\n> together? They are:\n>\n> migration_call_notifiers, migrate_mode_is_cpr, migrate_prepare.\n>\n\nYep","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256\n header.s=susede2_rsa header.b=DfeGNvt9;\n\tdkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=MOP1ZdsL;\n\tdkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de\n header.a=rsa-sha256 header.s=susede2_rsa header.b=DfeGNvt9;\n\tdkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=MOP1ZdsL;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)","smtp-out1.suse.de;\n\tnone"],"Received":["from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4dg5kN5MFXz1xpZ\n\tfor ; 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a=ed25519-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_ed25519; t=1767036211;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n mime-version:mime-version:content-type:content-type:\n in-reply-to:in-reply-to:references:references;\n bh=4h5ZwfPDOnOKmoE4+IB9GNKnVXCmTIBriWgBnsdn3FU=;\n b=MOP1ZdsLThvf6V7aITHzhiypkAI8cwcZ2RfWIkQgsxzjltFavAIAWUq9jViusbs48iYswi\n hIWCi57/iA1nmAAg=="],"From":"Fabiano Rosas ","To":"Peter Xu ","Cc":"qemu-devel@nongnu.org","Subject":"Re: [RFC PATCH 07/25] migration: Use migrate_mode() to query for\n cpr-transfer","In-Reply-To":"","References":"<20251226211930.27565-1-farosas@suse.de>\n <20251226211930.27565-8-farosas@suse.de> ","Date":"Mon, 29 Dec 2025 16:23:27 -0300","Message-ID":"<87ldil853k.fsf@suse.de>","MIME-Version":"1.0","Content-Type":"text/plain","X-Spam-Score":"-4.30","X-Spamd-Result":"default: False [-4.30 / 50.00]; BAYES_HAM(-3.00)[99.99%];\n NEURAL_HAM_LONG(-1.00)[-1.000];\n NEURAL_HAM_SHORT(-0.20)[-0.986]; MIME_GOOD(-0.10)[text/plain];\n RCVD_VIA_SMTP_AUTH(0.00)[]; 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