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[Cherry-Pick] UefiCpuPkg MmUnblockMemoryLib: Also allow MMIO to be unblocked - #1862

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[Cherry-Pick] UefiCpuPkg MmUnblockMemoryLib: Also allow MMIO to be unblocked#1862
Gowtham-Manikandan wants to merge 1 commit into
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Gowtham-Manikandan:MmUnblock_PR

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@Gowtham-Manikandan

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Description

UefiCpuPkg MmUnblockMemoryLib: Also allow MMIO to be unblocked
This patch updates MmUnblockMemoryLib to also allow MMIO to be unblocked to be accessed from inside MM.

(cherry picked from commit a9d85a1)

  • Impacts functionality?
  • Impacts security?
  • Breaking change?
  • Includes tests?
  • Includes documentation?

How This Was Tested

N/A

Integration Instructions

N/A

…blocked

This patch updates MmUnblockMemoryLib to also allow MMIO to be
unblocked to be accessed from inside MM.

Signed-off-by: Star Zeng <star.zeng@intel.com>
(cherry picked from commit a9d85a1)
@mu-automation

mu-automation Bot commented Jul 24, 2026

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✅ QEMU Validation Passed

Source Dependencies

Repository Commit
mu_basecore 6d75960
mu_tiano_platforms d8ecfb8

Results

Platform Target Build Boot Overall Boot Time Build Logs Boot Logs
Q35 DEBUG ✅ success ✅ success 0m 19s Build Logs Boot Logs
ArmVirt DEBUG ✅ success ✅ success 0m 13s Build Logs Boot Logs

Workflow run: https://github.com/microsoft/mu_basecore/actions/runs/30107069233

This comment was automatically generated by the Mu QEMU PR Validation workflow.

@codecov-commenter

codecov-commenter commented Jul 24, 2026

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Codecov Report

❌ Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (release/202511@c4adf6b). Learn more about missing BASE report.

Files with missing lines Patch % Lines
...kg/Library/MmUnblockMemoryLib/MmUnblockMemoryLib.c 0.00% 6 Missing ⚠️
Additional details and impacted files
@@               Coverage Diff                @@
##             release/202511   #1862   +/-   ##
================================================
  Coverage                  ?   4.78%           
================================================
  Files                     ?     146           
  Lines                     ?   27178           
  Branches                  ?     527           
================================================
  Hits                      ?    1301           
  Misses                    ?   25853           
  Partials                  ?      24           
Flag Coverage Δ
UefiCpuPkg 4.78% <0.00%> (?)

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@makubacki
makubacki requested a review from kuqin12 July 24, 2026 17:41
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6 participants