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Tsirkin" , Marcel Apfelbaum , Peter Xu , Fabiano Rosas , Steve Sistare Subject: [PATCH V1 1/8] migration: cpr_needed_for_reuse Date: Tue, 9 Jul 2024 13:58:50 -0700 Message-Id: <1720558737-451106-2-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1720558737-451106-1-git-send-email-steven.sistare@oracle.com> References: <1720558737-451106-1-git-send-email-steven.sistare@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-07-09_09,2024-07-09_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 mlxscore=0 mlxlogscore=999 phishscore=0 malwarescore=0 bulkscore=0 adultscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2406180000 definitions=main-2407090143 X-Proofpoint-GUID: OG8-mx-dd99xvDVb9KwJJ-VIij0t00eK X-Proofpoint-ORIG-GUID: OG8-mx-dd99xvDVb9KwJJ-VIij0t00eK Received-SPF: pass client-ip=205.220.177.32; envelope-from=steven.sistare@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Define a vmstate "needed" helper. This will be moved to the preceding patch series "Live update: cpr-exec" because it is needed by multiple devices. Signed-off-by: Steve Sistare --- include/migration/cpr.h | 1 + migration/cpr.c | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/include/migration/cpr.h b/include/migration/cpr.h index c6c60f8..8d20d3e 100644 --- a/include/migration/cpr.h +++ b/include/migration/cpr.h @@ -24,6 +24,7 @@ void cpr_resave_fd(const char *name, int id, int fd); int cpr_state_save(Error **errp); int cpr_state_load(Error **errp); +bool cpr_needed_for_reuse(void *opaque); QEMUFile *cpr_exec_output(Error **errp); QEMUFile *cpr_exec_input(Error **errp); diff --git a/migration/cpr.c b/migration/cpr.c index f756c15..843241c 100644 --- a/migration/cpr.c +++ b/migration/cpr.c @@ -236,3 +236,8 @@ int cpr_state_load(Error **errp) return ret; } +bool cpr_needed_for_reuse(void *opaque) +{ + MigMode mode = migrate_mode(); + return mode == MIG_MODE_CPR_EXEC; +}