Messages in this thread | | | Date | Wed, 18 Jul 2007 01:39:09 +0200 | From | "Jesper Juhl" <> | Subject | Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...? |
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On 17/07/07, William Lee Irwin III <wli@holomorphy.com> wrote: > 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. > For what it's worth, that sounds good to me - like something that we would want merged.
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