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GET /api/patches/1954399/?format=api
{ "id": 1954399, "url": "http://patchwork.ozlabs.org/api/patches/1954399/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/1719776434-435013-4-git-send-email-steven.sistare@oracle.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1719776434-435013-4-git-send-email-steven.sistare@oracle.com>", "list_archive_url": null, "date": "2024-06-30T19:40:26", "name": "[V2,03/11] migration: save cpr mode", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "c837844ee2864fb303417c63003210563b03f71c", "submitter": { "id": 71906, "url": "http://patchwork.ozlabs.org/api/people/71906/?format=api", "name": "Steve Sistare", "email": "steven.sistare@oracle.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/1719776434-435013-4-git-send-email-steven.sistare@oracle.com/mbox/", "series": [ { "id": 413181, "url": "http://patchwork.ozlabs.org/api/series/413181/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=413181", "date": "2024-06-30T19:40:26", "name": "Live update: cpr-exec", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/413181/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1954399/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1954399/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=oracle.com header.i=@oracle.com header.a=rsa-sha256\n header.s=corp-2023-11-20 header.b=h/5wp/zJ;\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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Sun, 30 Jun 2024 19:40:40 +0000" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=\n from:to:cc:subject:date:message-id:in-reply-to:references; s=\n corp-2023-11-20; bh=n4MgAr16sdNb4ng3UGdhpWQ4/HtGee3oPi/m+dImwfc=; b=\n h/5wp/zJGkemQXwtQdDuJktV/BOjkyxdW82U3N8cgW65nBHZCqXAeP1sBfpwcfBX\n f3d4eaXb97n/vH+vRbo7Ei4hWL9oxfbssbuDx9290wAXLGNnnKVpnWNoqAtBrAiX\n iIBbpLQ4GwbrFouwINfRTkbmCKBn8PiKFe0YRmCB+0lCA2oEh75NNRTKwh3fs8LB\n wo4H/0w1FDi1jeFvq3HecYSrWxjSNcJeDVK7KIYhQujL3JEZnbuG/hhuPxTlq+Iz\n iKzw39auTGEocvaQrIkDa2uGoNrgHHgzfW9yy/iy+rJ6L3LlSzOP6YwW5bDTWzKn\n zcFU7U8zb5FmUhsMiykH3A==", "From": "Steve Sistare <steven.sistare@oracle.com>", "To": "qemu-devel@nongnu.org", "Cc": "Peter Xu <peterx@redhat.com>, Fabiano Rosas <farosas@suse.de>,\n David Hildenbrand <david@redhat.com>,\n Marcel Apfelbaum <marcel.apfelbaum@gmail.com>,\n Eduardo Habkost <eduardo@habkost.net>,\n Philippe Mathieu-Daude <philmd@linaro.org>,\n Paolo Bonzini <pbonzini@redhat.com>,\n \"Daniel P. Berrange\" <berrange@redhat.com>,\n Markus Armbruster <armbru@redhat.com>,\n Steve Sistare <steven.sistare@oracle.com>", "Subject": "[PATCH V2 03/11] migration: save cpr mode", "Date": "Sun, 30 Jun 2024 12:40:26 -0700", "Message-Id": "<1719776434-435013-4-git-send-email-steven.sistare@oracle.com>", "X-Mailer": "git-send-email 1.8.3.1", "In-Reply-To": "<1719776434-435013-1-git-send-email-steven.sistare@oracle.com>", "References": "<1719776434-435013-1-git-send-email-steven.sistare@oracle.com>", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16\n definitions=2024-06-30_16,2024-06-28_01,2024-05-17_01", "X-Proofpoint-Spam-Details": "rule=notspam policy=default score=0 suspectscore=0\n malwarescore=0\n adultscore=0 bulkscore=0 mlxlogscore=999 phishscore=0 spamscore=0\n mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1\n engine=8.12.0-2406180000 definitions=main-2406300157", "X-Proofpoint-GUID": "3rqkujtzAlanIjf-eP2bWH66TW-GJ6T2", "X-Proofpoint-ORIG-GUID": "3rqkujtzAlanIjf-eP2bWH66TW-GJ6T2", "Received-SPF": "pass client-ip=205.220.165.32;\n envelope-from=steven.sistare@oracle.com; helo=mx0a-00069f02.pphosted.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_MED=-0.001,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001,\n 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": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Save the mode in CPR state, so the user does not need to explicitly specify\nit for the target. Modify migrate_mode() so it returns the incoming mode on\nthe target.\n\nSigned-off-by: Steve Sistare <steven.sistare@oracle.com>\n---\n include/migration/cpr.h | 7 +++++++\n migration/cpr.c | 23 ++++++++++++++++++++++-\n migration/migration.c | 1 +\n migration/options.c | 9 +++++++--\n 4 files changed, 37 insertions(+), 3 deletions(-)", "diff": "diff --git a/include/migration/cpr.h b/include/migration/cpr.h\nindex 8e7e705..42b4019 100644\n--- a/include/migration/cpr.h\n+++ b/include/migration/cpr.h\n@@ -8,6 +8,13 @@\n #ifndef MIGRATION_CPR_H\n #define MIGRATION_CPR_H\n \n+#include \"qapi/qapi-types-migration.h\"\n+\n+#define MIG_MODE_NONE MIG_MODE__MAX\n+\n+MigMode cpr_get_incoming_mode(void);\n+void cpr_set_incoming_mode(MigMode mode);\n+\n typedef int (*cpr_walk_fd_cb)(int fd);\n void cpr_save_fd(const char *name, int id, int fd);\n void cpr_delete_fd(const char *name, int id);\ndiff --git a/migration/cpr.c b/migration/cpr.c\nindex 313e74e..1c296c6 100644\n--- a/migration/cpr.c\n+++ b/migration/cpr.c\n@@ -21,10 +21,23 @@\n typedef QLIST_HEAD(CprFdList, CprFd) CprFdList;\n \n typedef struct CprState {\n+ MigMode mode;\n CprFdList fds;\n } CprState;\n \n-static CprState cpr_state;\n+static CprState cpr_state = {\n+ .mode = MIG_MODE_NONE,\n+};\n+\n+MigMode cpr_get_incoming_mode(void)\n+{\n+ return cpr_state.mode;\n+}\n+\n+void cpr_set_incoming_mode(MigMode mode)\n+{\n+ cpr_state.mode = mode;\n+}\n \n /****************************************************************************/\n \n@@ -124,11 +137,19 @@ void cpr_resave_fd(const char *name, int id, int fd)\n /*************************************************************************/\n #define CPR_STATE \"CprState\"\n \n+static int cpr_state_presave(void *opaque)\n+{\n+ cpr_state.mode = migrate_mode();\n+ return 0;\n+}\n+\n static const VMStateDescription vmstate_cpr_state = {\n .name = CPR_STATE,\n .version_id = 1,\n .minimum_version_id = 1,\n+ .pre_save = cpr_state_presave,\n .fields = (VMStateField[]) {\n+ VMSTATE_UINT32(mode, CprState),\n VMSTATE_QLIST_V(fds, CprState, 1, vmstate_cpr_fd, CprFd, next),\n VMSTATE_END_OF_LIST()\n }\ndiff --git a/migration/migration.c b/migration/migration.c\nindex e394ad7..0f47765 100644\n--- a/migration/migration.c\n+++ b/migration/migration.c\n@@ -411,6 +411,7 @@ void migration_incoming_state_destroy(void)\n mis->postcopy_qemufile_dst = NULL;\n }\n \n+ cpr_set_incoming_mode(MIG_MODE_NONE);\n yank_unregister_instance(MIGRATION_YANK_INSTANCE);\n }\n \ndiff --git a/migration/options.c b/migration/options.c\nindex 645f550..305397a 100644\n--- a/migration/options.c\n+++ b/migration/options.c\n@@ -22,6 +22,7 @@\n #include \"qapi/qmp/qnull.h\"\n #include \"sysemu/runstate.h\"\n #include \"migration/colo.h\"\n+#include \"migration/cpr.h\"\n #include \"migration/misc.h\"\n #include \"migration.h\"\n #include \"migration-stats.h\"\n@@ -758,8 +759,12 @@ uint64_t migrate_max_postcopy_bandwidth(void)\n \n MigMode migrate_mode(void)\n {\n- MigrationState *s = migrate_get_current();\n- MigMode mode = s->parameters.mode;\n+ MigMode mode = cpr_get_incoming_mode();\n+\n+ if (mode == MIG_MODE_NONE) {\n+ MigrationState *s = migrate_get_current();\n+ mode = s->parameters.mode;\n+ }\n \n assert(mode >= 0 && mode < MIG_MODE__MAX);\n return mode;\n", "prefixes": [ "V2", "03/11" ] }