On Tue, Apr 30, 2019 at 11:55:45AM +0300, Kirill Tkhai wrote: > > - up_write(&mm->mmap_sem); > > + spin_unlock(&mm->arg_lock); > > + up_read(&mm->mmap_sem); > > return error; > > Hm, shouldn't spin_lock()/spin_unlock() pair go as a fixup to existing code > in a separate patch? > > Without them, the existing code has a problem at least in get_mm_cmdline().
Seems reasonable to merge it into patch 1.
