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rcu: actually register threads that have RCU read-side critical sections

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Otherwise, grace periods are detected too early!

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-07-09 08:55:38 +02:00
parent c170aad8b0
commit ab28bd2312
5 changed files with 21 additions and 0 deletions
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6
cpus.c
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@ -954,6 +954,8 @@ static void *qemu_kvm_cpu_thread_fn(void *arg)
CPUState *cpu = arg;
int r;
rcu_register_thread();
qemu_mutex_lock_iothread();
qemu_thread_get_self(cpu->thread);
cpu->thread_id = qemu_get_thread_id();
@ -995,6 +997,8 @@ static void *qemu_dummy_cpu_thread_fn(void *arg)
sigset_t waitset;
int r;
rcu_register_thread();
qemu_mutex_lock_iothread();
qemu_thread_get_self(cpu->thread);
cpu->thread_id = qemu_get_thread_id();
@ -1034,6 +1038,8 @@ static void *qemu_tcg_cpu_thread_fn(void *arg)
{
CPUState *cpu = arg;
rcu_register_thread();
qemu_mutex_lock_iothread();
qemu_tcg_init_cpu_signals();
qemu_thread_get_self(cpu->thread);