Re: arch 386
From: Dave Jones
Date: Fri Mar 26 2004 - 12:03:54 EST
On Fri, Mar 26, 2004 at 12:51:56AM -0600, billy rose wrote:
> i sent an email last night, but i think my email host was down so i will
> try again. since 2.6.x can preempt, what do you think about using a call
> gate in place of int 80? sysenter was implemented in this fashion for
> p4's, but there are a lot of pre p4 boxes still out there.
Most of those pre p4 boxes can also use sysenter.
It's been there since the Pentium Pro (though hardware bugs made it
unusable there, at least on the earlier revs).
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