The strange story of the ARM Meltdown-fix backport

Alex Shi's posting of a patch series backporting a set of Meltdown fixes for the arm64 architecture to the 4.9 kernel might seem like a normal exercise in making important security fixes available on older kernels. But this case raised a couple of interesting questions about why this backport should be accepted into the long-term-support kernels — and a couple of equally interesting answers, one of which was rather better received than the other.

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