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[v1,03/13] migration/multifd: Zero p->flags before starting filling a packet

Message ID c903b780777b123aa66a7b80e1dc2e835499844b.1718717584.git.maciej.szmigiero@oracle.com
State New
Headers show
Series Multifd 🔀 device state transfer support with VFIO consumer | expand

Commit Message

Maciej S. Szmigiero June 18, 2024, 4:12 p.m. UTC 
From: "Maciej S. Szmigiero" <maciej.szmigiero@oracle.com>

This way there aren't stale flags there.

p->flags can't contain SYNC to be sent at the next RAM packet since syncs
are now handled separately in multifd_send_thread.

Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
---
 migration/multifd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/migration/multifd.c b/migration/multifd.c
index f317bff07746..c8a5b363f7d4 100644
--- a/migration/multifd.c
+++ b/migration/multifd.c
@@ -933,6 +933,7 @@  static void *multifd_send_thread(void *opaque)
         if (qatomic_load_acquire(&p->pending_job)) {
             MultiFDPages_t *pages = p->pages;
 
+            p->flags = 0;
             p->iovs_num = 0;
             assert(pages->num);
 
@@ -986,7 +987,6 @@  static void *multifd_send_thread(void *opaque)
                 }
                 /* p->next_packet_size will always be zero for a SYNC packet */
                 stat64_add(&mig_stats.multifd_bytes, p->packet_len);
-                p->flags = 0;
             }
 
             qatomic_set(&p->pending_sync, false);