i386 page fault clobbers error code in trap frame

[Tijl Coosemans]

On Sunday 30 July 2006 21:30, Kip Macy wrote:
> > si_addr doesn't contain the faulting pc, it contains the address
> > that
>
> So either the comment is wrong, or that is a technically incorrect
> kludge. However, given that a number of the other fields are not
> filled out at all, the real objective should be to keep applications
> working.

Well, the comment is correct except in case of a page fault. But this is 
different from stable. In stable si_addr is a copy of tf_err, which, 
because of the kludge, holds the fault address in case of a page 
fault... I'm glad to see this code has been cleaned up.
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