Branch: refs/heads/master
Home: https://github.com/tianocore/edk2
Commit: eeaac552f81111014ab77f8f6e0dea00e03b3c46
https://github.com/tianocore/edk2/commit/eeaac552f81111014ab77f8f6e0dea00e03b3c46
Author: Aaron Pop <[email protected]>
Date: 2026-07-28 (Tue, 28 Jul 2026)
Changed paths:
M OvmfPkg/Fdt/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c
Log Message:
-----------
OvmfPkg/FdtPciHostBridgeLib: mark PCI host MMIO mappings as non-executable
Add EFI_MEMORY_XP to all MapMmioMemory() calls in ProcessPciHost() for:
- ECAM space
- Translated I/O window
- 32-bit MMIO window
- 64-bit MMIO window
These regions are data/MMIO only and should not be executable. Marking them
with EFI_MEMORY_XP improves memory protection hardening without changing
intended runtime behavior.
Signed-off-by: Aaron Pop <[email protected]>
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