Re: [PATCH] i386: improve double fault handling

From: H. Peter Anvin
Date: Mon Jul 28 2008 - 10:03:16 EST


Jan Beulich wrote:

Firstly, 64-bit does not use a task gate for double faults anymore. (but uses a separate IST stack for double faults)

Sure - because there are no task gates on 64-bit.


What we're doing here is really using task gates to emulate IST anyway.

-hpa
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