Re: stack overruns [was: Re: "Please HELP"-crash]

Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 29 Apr 1999 22:49:52 +0100 (BST)

> > You can't vmalloc the stack without changing drivers that assume the stack
> > is DMAable. Thats a 2.3.x thing but yes.
>
> Which drivers? For machines without hardware cache coherence this is
> plain a bug.

Yes. This is old x86 drivers mostly. Much the same way as a lot used
static data to DMA to/from until modules came in then all promptly broke.
Its a bug, a legacy thing. It has to die anyway

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