Re: [PATCH] x86: Bypass legacy PIC and PIT on ACPI hardware reduced platform

From: Alan Cox
Date: Thu Mar 05 2015 - 11:07:38 EST


> I'll do more investigation above items but I want to leave at least
> these two as the quirk today unless I am convinced I can do that because
> from my understanding, UEFI runtime services should not be supported in
> reduced hw mode.

What actually matters in this space is what Microsoft does. The spec is
unfortunately rather irrelevant. If MS do UEFI runtime services in
reduced hw mode then the firmware and system will do so.

Alan


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