Re: [PATCH/RFC] Futex mmap_sem deadlock

[Chris Friesen]

Jamie Lokier wrote:

> In futex.c:
>
> 	down_read(&current->mm->mmap_sem);
> 	get_futex_key(...) etc.
> 	queue_me(...) etc.
> 	current->flags |= PF_MMAP_SEM;             <- new
> 	ret = get_user(...);
> 	current->flags &= PF_MMAP_SEM;             <- new
> 	/* the rest */

Should the second new line be this (with the inverse)?

	current->flags &= ~PF_MMAP_SEM;


Chris
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