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destroy_thread(): disable IRQ while holding update lock

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This commit is contained in:
Balazs Gerofi
2017-06-08 17:40:35 +09:00
parent 66fad4c7a4
commit 4d0e0728f4
2 changed files with 4 additions and 4 deletions
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6
kernel/process.c
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@ -2391,19 +2391,19 @@ void destroy_thread(struct thread *thread)
void release_thread(struct thread *thread)
{
struct process_vm *vm;
struct mcs_rwlock_node lock;
struct mcs_rwlock_node_irqsave lock;
struct timespec ats;
if (!ihk_atomic_dec_and_test(&thread->refcount)) {
return;
}
mcs_rwlock_writer_lock_noirq(&thread->proc->update_lock, &lock);
mcs_rwlock_writer_lock(&thread->proc->update_lock, &lock);
tsc_to_ts(thread->system_tsc, &ats);
ts_add(&thread->proc->stime, &ats);
tsc_to_ts(thread->user_tsc, &ats);
ts_add(&thread->proc->utime, &ats);
mcs_rwlock_writer_unlock_noirq(&thread->proc->update_lock, &lock);
mcs_rwlock_writer_unlock(&thread->proc->update_lock, &lock);
vm = thread->vm;