Branch: refs/heads/master
Home: https://github.com/tianocore/edk2
Commit: 02fa0cb9116f9c46d01abd7df5de1af3ebf2680c
https://github.com/tianocore/edk2/commit/02fa0cb9116f9c46d01abd7df5de1af3ebf2680c
Author: Jared Pan <[email protected]>
Date: 2026-06-17 (Wed, 17 Jun 2026)
Changed paths:
M
MdeModulePkg/Universal/ReportStatusCodeRouter/Pei/ReportStatusCodeRouterPei.c
M
MdeModulePkg/Universal/ReportStatusCodeRouter/Pei/ReportStatusCodeRouterPei.h
M
MdeModulePkg/Universal/ReportStatusCodeRouter/Pei/ReportStatusCodeRouterPei.inf
Log Message:
-----------
MdeModulePkg/ReportStatusCodeRouter: Prevent recursive entry in PEI phase
Prevent recursive invocation of the PEI Report Status Code (RSC) Router that
can lead
to system hang or unexpected re-entrancy behavior during early boot. The defect
was observed when PEI modules reported status codes while the router was already
processing a previous request.
This patch aligns PEI behavior with the robust RSC routing mechanisms already
used
in DXE and Runtime phases by adding a lightweight recursion guard to the PEI
router.
This ensures consistent behavior across boot stages and improves early-boot
stability.
Signed-off-by: Jared Pan <[email protected]>
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