Jörn Engel wrote:
On Wed, 16 November 2005 13:57:36 +0100, Andi Kleen wrote:
I think it's in general risky. It's like balancing without a safety
net. Might be a nice hobby, but for real production you want a safety
net. That's simple because there are likely some code paths through
the code that need more stack space and that are rarely hit (and
cannot be easily found by static analysis, e.g. if they involve
indirect pointers or particularly complex configuration setups).
It isn't that hard to find such places. Trouble is that you find so
many of them and it takes quite a while to go through them all. Years
is a good unit for "quite a while".
Jörn
Map a blank ro page beneath the address range when stack memory is
mapped is trap on page faults to the page when folks go off the end of
th e stack.
Easy to find.
Jeff
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