From: Jeff Fan <jeff.fan@intel.com>
To: edk2-devel@lists.01.org
Cc: Feng Tian <feng.tian@intel.com>,
Kinney, Michael D <michael.d.kinney@intel.com>,
Ruiyu Ni <ruiyu.ni@intel.com>
Subject: [PATCH 6/6] UefiCpuPkg/MpInitLib: Set new AP to idle state after switching BSP
Date: Mon, 26 Dec 2016 19:21:02 +0800 [thread overview]
Message-ID: <20161226112102.25512-7-jeff.fan@intel.com> (raw)
In-Reply-To: <20161226112102.25512-1-jeff.fan@intel.com>
We need to set new AP to idle state if it is expected to be waken up by new BSP
later.
Cc: Feng Tian <feng.tian@intel.com>
Cc: Kinney, Michael D <michael.d.kinney@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
---
UefiCpuPkg/Library/MpInitLib/MpLib.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c
index 77d855a..78d18b6 100644
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c
@@ -1608,6 +1608,8 @@ SwitchBSPWorker (
//
if (!EnableOldBSP) {
SetApState (&CpuMpData->CpuData[CallerNumber], CpuStateDisabled);
+ } else {
+ SetApState (&CpuMpData->CpuData[CallerNumber], CpuStateIdle);
}
//
// Save new BSP number
--
2.9.3.windows.2
next prev parent reply other threads:[~2016-12-26 11:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-26 11:20 [PATCH 0/6] Support source debugging on DXE AP function Jeff Fan
2016-12-26 11:20 ` [PATCH 1/6] UefiCpuPkg/DxeMpInitLib: Support source debugging on " Jeff Fan
2016-12-26 11:20 ` [PATCH 2/6] UefiCpuPkg/MpInitLib: Sync BSP's local APIC timer settings to APs Jeff Fan
2016-12-26 11:20 ` [PATCH 3/6] UefiCpuPkg/MpInitLib: Move save/restore interrupt to SwitchBSPWorker() Jeff Fan
2016-12-26 11:21 ` [PATCH 4/6] UefiCpuPkg/MpInitLib: Swap local APIC timer interrupt state Jeff Fan
2016-12-26 11:21 ` [PATCH 5/6] UefiCpuPkg/MpInitLib: Disable and restore system timer interrupt Jeff Fan
2016-12-26 11:21 ` Jeff Fan [this message]
2016-12-28 7:33 ` [PATCH 0/6] Support source debugging on DXE AP function Tian, Feng
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