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author | Paolo Bonzini <pbonzini@redhat.com> | 2015-07-09 08:55:38 +0200 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-07-24 13:57:45 +0200 |
commit | ab28bd23125fb4a0411c3a3f01c4edacbc261486 (patch) | |
tree | 50cf40b9f83a43d2a7b6dee4a801e6c31fc409ee /migration | |
parent | c170aad8b057223b1139d72e5ce7acceafab4fa9 (diff) | |
download | hqemu-ab28bd23125fb4a0411c3a3f01c4edacbc261486.zip hqemu-ab28bd23125fb4a0411c3a3f01c4edacbc261486.tar.gz |
rcu: actually register threads that have RCU read-side critical sections
Otherwise, grace periods are detected too early!
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'migration')
-rw-r--r-- | migration/migration.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/migration/migration.c b/migration/migration.c index 86ca099..fd4f99b 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -22,6 +22,7 @@ #include "block/block.h" #include "qapi/qmp/qerror.h" #include "qemu/sockets.h" +#include "qemu/rcu.h" #include "migration/block.h" #include "qemu/thread.h" #include "qmp-commands.h" @@ -917,6 +918,8 @@ static void *migration_thread(void *opaque) int64_t start_time = initial_time; bool old_vm_running = false; + rcu_register_thread(); + qemu_savevm_state_header(s->file); qemu_savevm_state_begin(s->file, &s->params); @@ -1016,6 +1019,7 @@ static void *migration_thread(void *opaque) qemu_bh_schedule(s->cleanup_bh); qemu_mutex_unlock_iothread(); + rcu_unregister_thread(); return NULL; } |