we will save the current BSP's GDT and IDT for APs at first time APs are waken
by BSP as below. APs will start from real mode to protected mode and then to
long mode. During protected mode, BSP's GDT/IDT table are working on APs.
In UefiCpuPkg\Library\MpInitLib\MpLib.c,
//
// Get the BSP's
" Will EFI_MP_SERVICES_PROTOCOL.StartupAllAPs() make all 8 logical cores do
some tasks simultaneously?"
All APs logical processors excute AP task, not including BSP. Acutally the
answer is 7.
Jeff
From: Laszlo Ersek
Date: 2021-02-22 18:39
To: devel; tigerliu
Subject: Re: [edk2-devel] MP Servi
