On Friday 28 July 2006 20:43, Arjan van de Ven wrote:
> On Fri, 2006-07-28 at 20:41 +0200, Andi Kleen wrote:
> > On Friday 28 July 2006 18:03, Arjan van de Ven wrote:
> > > Subject: [patch 1/5] Add comments to the PDA structure to annotate
> > > offsets From: Arjan van de Ven <[email protected]>
> >
> > So why exactly do you think these numbers need to be documented?
> >
> > If there is a reason there should be a comment in the code.
> >
> > Nobody should use fixed numbers, but always get the current ones
> > from asm-offset
>
> the 40 one is a gcc ABI one (same offset as userland);
Ah sounds ugly. Wasn't it possible to pass that as an option
to gcc?
> that is
> documented in the later patch
I still hate the numbers. Perhaps do them only before your canary.
Also you should have a BUILD_BUG_ON() for this somewhere
-Andi
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