Re: [RFC] [PATCH 10/16] x86_64: 64bit PIC ACPI wakeup

From: H. Peter Anvin
Date: Tue Nov 14 2006 - 16:41:15 EST


Eric W. Biederman wrote:

Why is PGE no longer required, for example?

PGE is never required. Especially on a temporary page table.
PGE is an optimization, to make context switches faster.


You cannot, however, set the Global bit unless PGE is supported by the CPU (you'll trap.)

-hpa
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