Re: [PATCH] Introduce compat_u64 and compat_s64 types

From: Alan Cox
Date: Fri Jun 15 2007 - 09:11:00 EST

> > For the parts used by the processors in question yes
> That means? They're expected to run only a subset of the network stack?
> Is that expressed in Kconfig? Is it documented that the rest is dangerous?

Have you audited every other line of code for every other kind of bug ?

> > people have done
> > that work so using the types without unaligned.
> Very brave; we're talking about around half a million lines
> of non trivial source code here.

And debug simulators that can be made to trap such accesses, and in most
cases processors which fault such an access (so you find it) but don't
provide enough information to restart.

The testing isn't that hard for a given embedded system and having done
work Linux does not need other changes re-breaking things.

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