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bh=QT7DYsh3rLn0leJw2asa1GhQ4CWEuPtmAnuhYisVYhM=; b=GAm4oaWAAtSYvgxedO5N67U+agCUq4TS7HsiGAaH45lOc6l3PW6b6cdV11z4WvR1i3t+Kl e0maaJW1S6+Mut+HrVRp2bRm4ARiBgaDGyjOBSEKFa7EWJzl31ifcLCgh7zuNaR8uax4l/ ppHGpxtCcViL8P6v7CkGWUlkEFVzTIU= X-MC-Unique: hlqbnk_nMgummzBfnFHoEA-1 From: Juan Quintela To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, Paolo Bonzini , Vladimir Sementsov-Ogievskiy , Fam Zheng , Cleber Rosa , Eric Blake , Li Zhijian , Peter Xu , Markus Armbruster , John Snow , Stefan Hajnoczi , Juan Quintela , Leonardo Bras , Laurent Vivier , Fabiano Rosas , Thomas Huth Subject: [PULL 13/38] migration: Non multifd migration don't care about multifd flushes Date: Mon, 16 Oct 2023 12:06:41 +0200 Message-ID: <20231016100706.2551-14-quintela@redhat.com> In-Reply-To: <20231016100706.2551-1-quintela@redhat.com> References: <20231016100706.2551-1-quintela@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 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=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_H3=0.001, RCVD_IN_MSPIKE_WL=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: 1697451248666100001 Content-Type: text/plain; charset="utf-8" RDMA was having trouble because migrate_multifd_flush_after_each_section() can only be true or false, but we don't want to send any flush when we are not in multifd migration. CC: Fabiano Rosas Reviewed-by: Li Zhijian Reviewed-by: Peter Xu Signed-off-by: Juan Quintela Message-ID: <20231011205548.10571-2-quintela@redhat.com> --- migration/ram.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/migration/ram.c b/migration/ram.c index d3d9c8b65b..acb8f95f00 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -1395,7 +1395,8 @@ static int find_dirty_block(RAMState *rs, PageSearchS= tatus *pss) pss->page =3D 0; pss->block =3D QLIST_NEXT_RCU(pss->block, next); if (!pss->block) { - if (!migrate_multifd_flush_after_each_section()) { + if (migrate_multifd() && + !migrate_multifd_flush_after_each_section()) { QEMUFile *f =3D rs->pss[RAM_CHANNEL_PRECOPY].pss_channel; int ret =3D multifd_send_sync_main(f); if (ret < 0) { @@ -3072,7 +3073,7 @@ static int ram_save_setup(QEMUFile *f, void *opaque) return ret; } =20 - if (!migrate_multifd_flush_after_each_section()) { + if (migrate_multifd() && !migrate_multifd_flush_after_each_section()) { qemu_put_be64(f, RAM_SAVE_FLAG_MULTIFD_FLUSH); } =20 @@ -3184,7 +3185,7 @@ static int ram_save_iterate(QEMUFile *f, void *opaque) out: if (ret >=3D 0 && migration_is_setup_or_active(migrate_get_current()->state)) { - if (migrate_multifd_flush_after_each_section()) { + if (migrate_multifd() && migrate_multifd_flush_after_each_section(= )) { ret =3D multifd_send_sync_main(rs->pss[RAM_CHANNEL_PRECOPY].ps= s_channel); if (ret < 0) { return ret; @@ -3261,7 +3262,7 @@ static int ram_save_complete(QEMUFile *f, void *opaqu= e) return ret; } =20 - if (!migrate_multifd_flush_after_each_section()) { + if (migrate_multifd() && !migrate_multifd_flush_after_each_section()) { qemu_put_be64(f, RAM_SAVE_FLAG_MULTIFD_FLUSH); } qemu_put_be64(f, RAM_SAVE_FLAG_EOS); @@ -3768,7 +3769,8 @@ int ram_load_postcopy(QEMUFile *f, int channel) break; case RAM_SAVE_FLAG_EOS: /* normal exit */ - if (migrate_multifd_flush_after_each_section()) { + if (migrate_multifd() && + migrate_multifd_flush_after_each_section()) { multifd_recv_sync_main(); } break; @@ -4046,7 +4048,8 @@ static int ram_load_precopy(QEMUFile *f) break; case RAM_SAVE_FLAG_EOS: /* normal exit */ - if (migrate_multifd_flush_after_each_section()) { + if (migrate_multifd() && + migrate_multifd_flush_after_each_section()) { multifd_recv_sync_main(); } break; --=20 2.41.0