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From: Stefano Brivio <sbrivio@redhat.com>
To: passt-dev@passt.top
Cc: Laurent Vivier <lvivier@redhat.com>,
	David Gibson <david@gibson.dropbear.id.au>
Subject: [PATCH v3 12/20] migrate: Move repair_sock_init() to vu_init()
Date: Fri, 31 Jan 2025 20:39:45 +0100	[thread overview]
Message-ID: <20250131193953.3034031-13-sbrivio@redhat.com> (raw)
In-Reply-To: <20250131193953.3034031-1-sbrivio@redhat.com>

From: David Gibson <david@gibson.dropbear.id.au>

Currently we call repair_sock_init() immediately before
tap_sock_unix_init().  However, this means it will be skipped if the
vhost-user control fd is passed with --fd instead of being created at a
specific path.  We still need the repair socket in that case.

Move it, instead, to vu_init(), which has the added advantage of moving
all migration related one-time init to the same place.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
 tap.c        | 3 ---
 vhost_user.c | 3 +++
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tap.c b/tap.c
index 3659aab..d1a9f52 100644
--- a/tap.c
+++ b/tap.c
@@ -56,7 +56,6 @@
 #include "netlink.h"
 #include "pasta.h"
 #include "packet.h"
-#include "repair.h"
 #include "tap.h"
 #include "log.h"
 #include "vhost_user.h"
@@ -1362,8 +1361,6 @@ void tap_backend_init(struct ctx *c)
 		tap_sock_tun_init(c);
 		break;
 	case MODE_VU:
-		repair_sock_init(c);
-		/* fall through */
 	case MODE_PASST:
 		tap_sock_unix_init(c);
 
diff --git a/vhost_user.c b/vhost_user.c
index bbbf504..5df29c4 100644
--- a/vhost_user.c
+++ b/vhost_user.c
@@ -44,6 +44,7 @@
 #include "tap.h"
 #include "vhost_user.h"
 #include "pcap.h"
+#include "repair.h"
 
 /* vhost-user version we are compatible with */
 #define VHOST_USER_VERSION 1
@@ -1106,8 +1107,10 @@ void vu_init(struct ctx *c)
 	}
 	c->vdev->log_table = NULL;
 	c->vdev->log_call_fd = -1;
+
 	c->vdev->device_state_fd = -1;
 	c->vdev->device_state_result = -1;
+	repair_sock_init(c);
 }
 
 
-- 
@@ -44,6 +44,7 @@
 #include "tap.h"
 #include "vhost_user.h"
 #include "pcap.h"
+#include "repair.h"
 
 /* vhost-user version we are compatible with */
 #define VHOST_USER_VERSION 1
@@ -1106,8 +1107,10 @@ void vu_init(struct ctx *c)
 	}
 	c->vdev->log_table = NULL;
 	c->vdev->log_call_fd = -1;
+
 	c->vdev->device_state_fd = -1;
 	c->vdev->device_state_result = -1;
+	repair_sock_init(c);
 }
 
 
-- 
2.43.0


  parent reply	other threads:[~2025-01-31 19:39 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-31 19:39 [PATCH v3 00/20] Draft, incomplete series introducing state migration Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 01/20] tcp: Always pass NULL event with EPOLL_CTL_DEL Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 02/20] util: Rename and make global vu_remove_watch() Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 03/20] icmp, udp: Pad time_t timestamp to 64-bit to ease state migration Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 04/20] flow, flow_table: Pad flow table entries to 128 bytes, hash entries to 32 bits Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 05/20] flow_table: Use size in extern declaration for flowtab Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 06/20] util: Add read_remainder() and read_all_buf() Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 07/20] Introduce facilities for guest migration on top of vhost-user infrastructure Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 08/20] Introduce passt-repair Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 09/20] Add interfaces and configuration bits for passt-repair Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 10/20] flow, tcp: Basic pre-migration source handler to dump sequence numbers Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 11/20] migrate: vu_migrate_{source,target}() aren't actually vu speciic Stefano Brivio
2025-01-31 19:39 ` Stefano Brivio [this message]
2025-01-31 19:39 ` [PATCH v3 13/20] migrate: Make more handling common rather than vhost-user specific Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 14/20] migrate: Don't handle the migration channel through epoll Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 15/20] flow, flow_table: Export declaration of hash table Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 16/20] vhost_user: Turn vhost-user message reports to trace() Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 17/20] vhost_user: Make source quit after reporting migration state Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 18/20] tcp: Get our socket port using getsockname() when connecting from guest Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 19/20] tcp: Add HOSTSIDE(x), HOSTFLOW(x) macros Stefano Brivio
2025-01-31 19:39 ` [PATCH v3 20/20] Implement target side of migration Stefano Brivio

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