At some point in the past, I wrote:
>> If at some point one of the pro-4k stacks crowd can prove that all
>> code paths are safe, or introduce another viable alternative (such as
>> Matt's idea for extending the stack dynamically), then removing the 8k
>> stacks option makes sense.
On Mon, Jul 16, 2007 at 11:54:38PM +0100, Alan Cox wrote:
> Any x86-32 path unsafe with 4K stacks is almost certainly unsafe with 8K
> stacks because the 8K stacks do not have seperate IRQ stack paths, so you
> have the same space but split. It might be less predictable on 8K stacks
> but it isn't absent.
At hch's suggestion I rewrote the separate IRQ stack configurability
patch into one making IRQ stacks mandatory and unconfigurable, and
hence enabled with 8K stacks.
-- wli
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