Re: [PATCH 1/2] uprobes: document the usage of mm->mmap_lock

[Oleg Nesterov]

On 07/11, Masami Hiramatsu wrote:
>
> What about this?
>
> 	 * We take mmap_lock for writing to avoid the race with
> 	 * find_active_uprobe(), which takes mmap_lock for reading.
> 	 * Thus this install_breakpoint() must not make
> 	 * is_trap_at_addr() true right after find_uprobe()
> 	 * returns NULL in find_active_uprobe().

Thanks! will change.

Oleg.