Messages in this thread | | | Date | Tue, 17 Jul 2007 10:01:27 -0700 | From | William Lee Irwin III <> | Subject | Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...? |
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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.
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