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@@ -1478,7 +1478,7 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
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const struct user_regset_view *view = task_user_regset_view(dump_task);
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struct elf_thread_core_info *t;
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struct elf_prpsinfo *psinfo;
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- struct task_struct *g, *p;
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+ struct core_thread *ct;
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unsigned int i;
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info->size = 0;
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@@ -1517,34 +1517,26 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
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/*
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* Allocate a structure for each thread.
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*/
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- rcu_read_lock();
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- do_each_thread(g, p)
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- if (p->mm == dump_task->mm) {
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- if (p->flags & PF_KTHREAD)
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- continue;
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-
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- t = kzalloc(offsetof(struct elf_thread_core_info,
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- notes[info->thread_notes]),
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- GFP_ATOMIC);
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- if (unlikely(!t)) {
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- rcu_read_unlock();
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- return 0;
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- }
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- t->task = p;
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- if (p == dump_task || !info->thread) {
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- t->next = info->thread;
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- info->thread = t;
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- } else {
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- /*
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- * Make sure to keep the original task at
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- * the head of the list.
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- */
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- t->next = info->thread->next;
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- info->thread->next = t;
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- }
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+ for (ct = &dump_task->mm->core_state->dumper; ct; ct = ct->next) {
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+ t = kzalloc(offsetof(struct elf_thread_core_info,
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+ notes[info->thread_notes]),
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+ GFP_KERNEL);
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+ if (unlikely(!t))
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+ return 0;
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+
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+ t->task = ct->task;
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+ if (ct->task == dump_task || !info->thread) {
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+ t->next = info->thread;
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+ info->thread = t;
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+ } else {
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+ /*
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+ * Make sure to keep the original task at
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+ * the head of the list.
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+ */
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+ t->next = info->thread->next;
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+ info->thread->next = t;
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}
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- while_each_thread(g, p);
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- rcu_read_unlock();
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+ }
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/*
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* Now fill in each thread's information.
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@@ -1691,7 +1683,6 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
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{
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#define NUM_NOTES 6
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struct list_head *t;
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- struct task_struct *g, *p;
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info->notes = NULL;
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info->prstatus = NULL;
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@@ -1723,23 +1714,19 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
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info->thread_status_size = 0;
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if (signr) {
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+ struct core_thread *ct;
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struct elf_thread_status *ets;
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- rcu_read_lock();
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- do_each_thread(g, p)
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- if (current->mm == p->mm && current != p) {
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- if (p->flags & PF_KTHREAD)
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- continue;
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-
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- ets = kzalloc(sizeof(*ets), GFP_ATOMIC);
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- if (!ets) {
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- rcu_read_unlock();
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- return 0;
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- }
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- ets->thread = p;
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- list_add(&ets->list, &info->thread_list);
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- }
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- while_each_thread(g, p);
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- rcu_read_unlock();
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+
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+ for (ct = current->mm->core_state->dumper.next;
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+ ct; ct = ct->next) {
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+ ets = kzalloc(sizeof(*ets), GFP_KERNEL);
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+ if (!ets)
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+ return 0;
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+
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+ ets->thread = ct->task;
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+ list_add(&ets->list, &info->thread_list);
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+ }
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+
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list_for_each(t, &info->thread_list) {
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int sz;
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