Date: Tue, 29 Nov 94 21:29:39 EST
From: peprbv AT cfa0 DOT harvard DOT edu (Bob Babcock)
To: djgpp AT sun DOT soe DOT clarkson DOT edu
Subject: Re: Interrupts
Reply-To: babcock AT cfa DOT harvard DOT edu

> What happens if the real-mode callback/interrupt handler page faults?  

I stuff short code fragments into the 1st MB for releasing time slices and
handling critical errors.  Each handler is 16 bytes or less and exits by a
retf or iret, so the handler itself can't generate a page fault, but it seems
that invoking it or exiting from it could.  I haven't seen any evidence that
this is unsafe.  Should I be worried.