NVRAM Reclaim at runtime #6357
MarcChen46
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NVRAM Reclaim at runtime
#6357
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Current implementation in edk2 does not allow NVRAM reclaim during OS runtime, whenever the NVRAM region run out of free space, it will just return EFI_OUT_OF_RESOURCES, it needs a reboot to perform NVRAM garbage collection and reclaim operation, in some cases, we may want to allow NVRAM reclaim during OS runtime for making the NVRAM always alive during OS runtime.
In MU_BASECORE there is one commit that allow runtime reclaim once, we can base on it to create a PcdNvramRuntimeReclaimSetting, 0 means disable, 1 means once, 2 means always allow, and keep the default is 0 to maintain the backward-compatible behavior, and upstream the implementation to edk2.
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