Re: SYSENTER based syscalls patch, 2.1.105, RFC

Anders Melchiorsen (kernel@cook.ml.org)
Wed, 17 Jun 1998 23:18:58 +1000 (EST)


On 15 Jun 1998, David Wragg wrote:

> Where was SYSENTER/SYSEXIT documented, by the way? Is it in
> Intel's PII operating system writer's guide?

In the addendum to the instruction set reference, Document
24366899-001, which also documents new instructions for saving and
restoring the FPU state.

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