Flush TLB at EL1 using tbli vmalle1 - #236
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os-d
approved these changes
Sep 18, 2026
Codecov Report✅ All modified and coverable lines are covered by tests. 📢 Thoughts on this report? Let us know! |
makubacki
approved these changes
Sep 19, 2026
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Description
According to ARM reference manual section C5.5.1 TLBI ALLE1, TLBI ALLE1NXS, TLB Invalidate All, EL1,
tlbi alle1at EL1 will do either EL2 trapping or undefined, which is not what this usage is meant to be.Changing to
vmalle1to actually perform the operation at EL1. This also matches the implementation of EL1 branch ofArmInvalidateTlbandArmEnableMmuin edk2.How This Was Tested
This was tested on KVM enabled QEMU and no longer crashes the system.
Integration Instructions
N/A