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95 lines
3.2 KiB
95 lines
3.2 KiB
From a90cae0dae6382cc1af63dfed8a51a3a27dc4bae Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= <clg@redhat.com>
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Date: Mon, 11 Sep 2023 16:10:19 +0200
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Subject: [PATCH 2/4] migration: Move more initializations to migrate_init()
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Cédric Le Goater <clg@redhat.com>
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RH-MergeRequest: 318: VFIO migration: fix a QEMU crash when postcopy is enabled
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RH-Bugzilla: 2229868
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RH-Acked-by: Alex Williamson <None>
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RH-Acked-by: Peter Xu <peterx@redhat.com>
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RH-Commit: [2/4] 3706a3308c33046e2658ee511b364087e202708e
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Bugzilla: https://bugzilla.redhat.com/2229868
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commit f543aa222da183ac37424d1ea3a65e5fb6202732
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Author: Avihai Horon <avihaih@nvidia.com>
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Date: Wed Sep 6 18:08:50 2023 +0300
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migration: Move more initializations to migrate_init()
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Initialization of mig_stats, compression_counters and VFIO bytes
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transferred is hard-coded in migration code path and snapshot code path.
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Make the code cleaner by initializing them in migrate_init().
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Suggested-by: Cédric Le Goater <clg@redhat.com>
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Signed-off-by: Avihai Horon <avihaih@nvidia.com>
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Reviewed-by: Cédric Le Goater <clg@redhat.com>
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Signed-off-by: Cédric Le Goater <clg@redhat.com>
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Conflicts:
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- migration/migration.c, migration/savevm.c
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context changes in migrate_prepare() and qemu_savevm_state() due
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to missing commit aff3f6606d14 ("migration: Rename ram_counters
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to mig_stats")
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Signed-off-by: Cédric Le Goater <clg@redhat.com>
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---
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migration/migration.c | 14 +++++++-------
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migration/savevm.c | 3 ---
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2 files changed, 7 insertions(+), 10 deletions(-)
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diff --git a/migration/migration.c b/migration/migration.c
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index 5aa9e5dada..a85c8936d9 100644
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--- a/migration/migration.c
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+++ b/migration/migration.c
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@@ -1422,6 +1422,13 @@ void migrate_init(MigrationState *s)
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s->iteration_initial_bytes = 0;
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s->threshold_size = 0;
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s->switchover_acked = false;
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+ /*
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+ * set mig_stats compression_counters memory to zero for a
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+ * new migration
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+ */
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+ memset(&ram_counters, 0, sizeof(ram_counters));
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+ memset(&compression_counters, 0, sizeof(compression_counters));
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+ migration_reset_vfio_bytes_transferred();
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}
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int migrate_add_blocker_internal(Error *reason, Error **errp)
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@@ -1632,13 +1639,6 @@ static bool migrate_prepare(MigrationState *s, bool blk, bool blk_inc,
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}
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migrate_init(s);
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- /*
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- * set ram_counters compression_counters memory to zero for a
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- * new migration
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- */
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- memset(&ram_counters, 0, sizeof(ram_counters));
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- memset(&compression_counters, 0, sizeof(compression_counters));
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- migration_reset_vfio_bytes_transferred();
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return true;
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}
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diff --git a/migration/savevm.c b/migration/savevm.c
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index 05db79bfad..13c1a9afa1 100644
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--- a/migration/savevm.c
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+++ b/migration/savevm.c
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@@ -1618,9 +1618,6 @@ static int qemu_savevm_state(QEMUFile *f, Error **errp)
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}
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migrate_init(ms);
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- memset(&ram_counters, 0, sizeof(ram_counters));
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- memset(&compression_counters, 0, sizeof(compression_counters));
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- migration_reset_vfio_bytes_transferred();
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ms->to_dst_file = f;
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qemu_mutex_unlock_iothread();
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--
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2.39.3
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