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Fri, 02 May 2025 09:41:48 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGs14xF8eu3NbGT/nPm0RNHfb80OXKRMVtgmQMULhElkPHy0CTxprx+fNpHHb2qr+h40WjWfw== X-Received: by 2002:a05:620a:4111:b0:7c7:747f:89d0 with SMTP id af79cd13be357-7cad5b3e38cmr506277785a.18.1746204108152; Fri, 02 May 2025 09:41:48 -0700 (PDT) From: Peter Xu To: qemu-devel@nongnu.org Cc: Fabiano Rosas , Stefan Hajnoczi , peterx@redhat.com, Li Zhijian Subject: [PULL 02/14] migration: disable RDMA + postcopy-ram Date: Fri, 2 May 2025 12:41:29 -0400 Message-ID: <20250502164141.747202-3-peterx@redhat.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250502164141.747202-1-peterx@redhat.com> References: <20250502164141.747202-1-peterx@redhat.com> MIME-Version: 1.0 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: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.644, 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_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_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: 1746204252368116600 Content-Type: text/plain; charset="utf-8" From: Li Zhijian It's believed that RDMA + postcopy-ram has been broken for a while. Rather than spending time re-enabling it, let's simply disable it as a trade-off. Reviewed-by: Peter Xu Signed-off-by: Li Zhijian Message-ID: <20250305062825.772629-4-lizhijian@fujitsu.com> Signed-off-by: Fabiano Rosas --- migration/options.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/migration/options.c b/migration/options.c index 1f3602839d..4ba8fcb7dc 100644 --- a/migration/options.c +++ b/migration/options.c @@ -458,6 +458,10 @@ bool migrate_rdma_caps_check(bool *caps, Error **errp) error_setg(errp, "RDMA and multifd can't be used together"); return false; } + if (caps[MIGRATION_CAPABILITY_POSTCOPY_RAM]) { + error_setg(errp, "RDMA and postcopy-ram can't be used together"); + return false; + } =20 return true; } --=20 2.48.1