Re: 8259A initialization with AMD SC520 chip (586)

From: Jamie Lokier (lk@tantalophile.demon.co.uk)
Date: Tue May 23 2000 - 12:54:33 EST


Linus Torvalds wrote:
> [ You _really_ don't want to know about taking page faults in the middle
> of a task switch that is the result of a task gate being used to handle
> another page fault, which in turn happened while we were loading the
> second part of a page-crossing 32-bit word. Question: do you mark the
> page table entry for the incomplete part that you already checked as
> accessed or not? ]

Actually, I do want to know. (I'm writing an x86 formal spec).
Do you mark the pte? :-)

-- Jamie

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