From: "Yuanhao Xie" <yuanhao.xie@intel.com>
To: devel@edk2.groups.io
Subject: [PATCH 0/2] Wake up APs by a single SIPI.
Date: Mon, 27 Mar 2023 11:17:09 +0800 [thread overview]
Message-ID: <20230327031711.1575-1-yuanhao.xie@intel.com> (raw)
After a power-up or reset, all application processors (APs) are in a
state where they are waiting for sipi. In this state, the bootstrap
processor (BSP) send a single SIPI Inter-Processor Interrupt
(IPI) to all the APs.
Yuanhao Xie (2):
UefiCpuPkg: Add SendStartupIpiAllExcludingSelf
UefiCpuPkg: After reset, wake up APs by SIPI.
UefiCpuPkg/Include/Library/LocalApicLib.h | 17 +++++++-
.../Library/BaseXApicLib/BaseXApicLib.c | 43 +++++++++++++------
.../BaseXApicX2ApicLib/BaseXApicX2ApicLib.c | 43 +++++++++++++------
UefiCpuPkg/Library/MpInitLib/MpLib.c | 9 +++-
4 files changed, 84 insertions(+), 28 deletions(-)
--
2.36.1.windows.1
next reply other threads:[~2023-03-27 3:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-27 3:17 Yuanhao Xie [this message]
2023-03-27 3:17 ` [PATCH 1/2] UefiCpuPkg: Add SendStartupIpiAllExcludingSelf Yuanhao Xie
2023-03-27 3:17 ` [PATCH 2/2] UefiCpuPkg: After reset, wake up APs by SIPI Yuanhao Xie
2023-03-27 11:02 ` [edk2-devel] " Gerd Hoffmann
2023-03-29 8:50 ` Yuanhao Xie
2023-03-29 13:29 ` Gerd Hoffmann
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