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Merge e2dc495734 ("Merge tag 'asm-generic-cleanup-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic") into android-mainline

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Steps on the way to 5.11-rc1

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I937a4454849ec8dd9c098a0a96f09710ed88e1fe
This commit is contained in:
Greg Kroah-Hartman
2020-12-19 14:09:26 +01:00
parent ce168524f8 e2dc495734
commit db03c04708
102 changed files with 1644 additions and 784 deletions
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6
kernel/fork.c
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@@ -1228,7 +1228,7 @@ struct mm_struct *mm_access(struct task_struct *task, unsigned int mode)
struct mm_struct *mm;
int err;
err = mutex_lock_killable(&task->signal->exec_update_mutex);
err = down_read_killable(&task->signal->exec_update_lock);
if (err)
return ERR_PTR(err);
@@ -1238,7 +1238,7 @@ struct mm_struct *mm_access(struct task_struct *task, unsigned int mode)
mmput(mm);
mm = ERR_PTR(-EACCES);
}
mutex_unlock(&task->signal->exec_update_mutex);
up_read(&task->signal->exec_update_lock);
return mm;
}
@@ -1598,7 +1598,7 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
sig->oom_score_adj_min = current->signal->oom_score_adj_min;
mutex_init(&sig->cred_guard_mutex);
mutex_init(&sig->exec_update_mutex);
init_rwsem(&sig->exec_update_lock);
return 0;
}