CONFIG_DEBUG_STACKOVERFLOW hurts

[Eric Sandeen]

Gilboa Davara wrote:

>> So,
>> what's the point of the IRQ stack-depth check, again?  Especially with
>> 4k stacks and separate IRQ stacks?  And the more deterministic
>> max-stack-depth excursion checker (CONFIG_DEBUG_STACK_USAGE) as well...

>> Finally, the patch I sent upstream would clearly show on an oops whether
>> or not the stack was currently overflowing, or whether the stack had
>> ever overflowed prior to the oops.  Seemed useful to me.
> 
> Just to satisfy my curiosity, can you post a link to the patch?

Sure: http://lkml.org/lkml/2007/8/31/28


-Eric