Reviewed-by: Eric Dong <eric.d...@intel.com> -----Original Message----- From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of Ruiyu Ni Sent: Wednesday, January 17, 2018 1:52 PM To: edk2-devel@lists.01.org Cc: Dong, Eric <eric.d...@intel.com> Subject: [edk2] [PATCH] UefiCpuPkg/MpInitLib: Fix timer interrupt is disabled after SwitchBSP
Commits a2ea6894e6ca95e8d7a254593661a79e4b988626 * UefiCpuPkg/MpInitLib: Fix a bug that AP enters timer INT handler masked the interrupts in AP. But it didn't unmask the interrupt in new BSP when Switch BSP happens. The patch fixed this issue. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ruiyu Ni <ruiyu...@intel.com> Cc: Jeff Fan <vanjeff_...@hotmail.com> Cc: Eric Dong <eric.d...@intel.com> --- UefiCpuPkg/Library/MpInitLib/MpLib.c | 1 + 1 file changed, 1 insertion(+) diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c index cdc03113e5..8ec016e928 100644 --- a/UefiCpuPkg/Library/MpInitLib/MpLib.c +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c @@ -1771,6 +1771,7 @@ SwitchBSPWorker ( ApicBaseMsr.Uint64 = AsmReadMsr64 (MSR_IA32_APIC_BASE); ApicBaseMsr.Bits.BSP = 1; AsmWriteMsr64 (MSR_IA32_APIC_BASE, ApicBaseMsr.Uint64); + ProgramVirtualWireMode (); // // Wait for old BSP finished AP task -- 2.15.1.windows.2 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
