On Mon, Oct 24, 2016 at 9:08 AM, Roman Pen <roman.peny...@profitbricks.com> wrote: > This patch avoids allocation of kthread structure on a stack, and simply > uses kmalloc. Allocation on a stack became a huge problem (with memory > corruption and all other not nice consequences) after the commit 2deb4be28 > by Andy Lutomirski, which rewinds the stack on oops, thus ooopsed kthread > steps on a garbage memory while completion of task->vfork_done structure > on the following path:
This is IMO a *huge* improvement. Shouldn't the patch also remove the try_get_task_stack() / put_task_stack() hackery in kthread.c, though?
