RFC arm64: relocatable kernel proof of concept
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Cover letter [RFC PATCH 0/3] arm64: relocatable kernel proof of concept
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Also, if you use
DEBUG_RODATAthe kernel won't be mapped with 1GB mappings after early boot anyway.That's not the point. The point is that, since physical memory starts at the base of the kernel image, as far as the kernel is concerned, the relative alignment of the virtual and physical address spaces may result in *all* of memory being mapped using 2 MB sections rather than 1 GB blocks.
Ah. Good point.
Another reason to split the text and linear mappings ;)
Mark.