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lguest: documentation I: Preparation

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The netfilter code had very good documentation: the Netfilter Hacking HOWTO.
Noone ever read it.

So this time I'm trying something different, using a bit of Knuthiness.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Rusty Russell 2007-07-26 10:41:02 -07:00 • committed by Linus Torvalds
parent dfb68689bf
commit f938d2c892
14 changed files with 218 additions and 19 deletions
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13
drivers/lguest/interrupts_and_traps.c
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@ -1,3 +1,16 @@
/*P:800 Interrupts (traps) are complicated enough to earn their own file.
* There are three classes of interrupts:
*
* 1) Real hardware interrupts which occur while we're running the Guest,
* 2) Interrupts for virtual devices attached to the Guest, and
* 3) Traps and faults from the Guest.
*
* Real hardware interrupts must be delivered to the Host, not the Guest.
* Virtual interrupts must be delivered to the Guest, but we make them look
* just like real hardware would deliver them. Traps from the Guest can be set
* up to go directly back into the Guest, but sometimes the Host wants to see
* them first, so we also have a way of "reflecting" them into the Guest as if
* they had been delivered to it directly. :*/
#include <linux/uaccess.h>
#include "lg.h"