On Thu, 24 Apr 2008, Michael Blizek wrote:
> Hi!
>
> On 11:58 Thu 24 Apr , Robert P. J. Day wrote:
> >
> > as a related thread to the earlier one, is there any protection
> > against the kernel stack extending downwards until it overruns the
> > thread_info structure? i'm skeptical that there's *any* call
> > chain in kernel code that would suck up that much kernel stack,
> > but i'm just curious.
>
> Yes, there is a stack overflow detection. You can enable it in "make
> menuconfig" under "kernel hacking". Does somebody have an idea about
> how this works?
> -Michi
it doesn't appear to show up in a lot of source files, only irq.c
files. additional examination appears to be in order.
rday
p.s. that entire "Kernel Hacking" menu seems hideously disorganized
and chaotic. i think it could stand some cleaning.
--
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry:
Have classroom, will lecture.
http://crashcourse.ca Waterloo, Ontario, CANADA
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