Use PcdCpuApInitTimeOutInMicroSeconds instead of hardcoded 100ms for
the time to wait for all APs to respond to first INIT SIPI SIPI
wake request.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Michael Kinney <michael.d.kin...@intel.com>
Cc: Jeff Fan <jeff....@intel.com>
Cc: Laszlo Ersek <ler...@redhat.com>
---
UefiCpuPkg/CpuDxe/ApStartup.c | 4 ++--
UefiCpuPkg/CpuDxe/CpuDxe.inf | 5 +++--
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/UefiCpuPkg/CpuDxe/ApStartup.c b/UefiCpuPkg/CpuDxe/ApStartup.c
index 38a9c0e..78fb26f 100644
--- a/UefiCpuPkg/CpuDxe/ApStartup.c
+++ b/UefiCpuPkg/CpuDxe/ApStartup.c
@@ -452,9 +452,9 @@ StartApsStackless (
{
SendInitSipiSipiAllExcludingSelf ((UINT32)(UINTN)(VOID*) StartupCode);
//
- // Wait 100 milliseconds for APs to arrive at the ApEntryPoint routine
+ // Wait for APs to arrive at the ApEntryPoint routine
//
- MicroSecondDelay (100 * 1000);
+ MicroSecondDelay (PcdGet32 (PcdCpuApInitTimeOutInMicroSeconds));
return EFI_SUCCESS;
}
diff --git a/UefiCpuPkg/CpuDxe/CpuDxe.inf b/UefiCpuPkg/CpuDxe/CpuDxe.inf
index a251922..9db5303 100644
--- a/UefiCpuPkg/CpuDxe/CpuDxe.inf
+++ b/UefiCpuPkg/CpuDxe/CpuDxe.inf
@@ -84,8 +84,9 @@
gEfiSecPlatformInformationPpiGuid ## UNDEFINED # HOB
[Pcd]
- gUefiCpuPkgTokenSpaceGuid.PcdCpuMaxLogicalProcessorNumber ## CONSUMES
- gUefiCpuPkgTokenSpaceGuid.PcdCpuApStackSize ## CONSUMES
+ gUefiCpuPkgTokenSpaceGuid.PcdCpuMaxLogicalProcessorNumber ## CONSUMES
+ gUefiCpuPkgTokenSpaceGuid.PcdCpuApStackSize ## CONSUMES
+ gUefiCpuPkgTokenSpaceGuid.PcdCpuApInitTimeOutInMicroSeconds ## CONSUMES
[Depex]
TRUE
--
1.9.5.msysgit.1
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