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AMD Broadcast TLB Invalidation "INVLPGB" Support Appears Ready For The Linux Kernel
Back in December Linux kernel patches were posted by a Meta engineer for making use of the AMD INVLPGB instruction found with Zen 3 and newer processors
Back in December Linux kernel patches were posted by a Meta engineer for making use of the AMD INVLPGB instruction found with Zen 3 and newer processors. After these patches went through 14 rounds of review since December, it looks like this AMD broadcast TLB invalidation support is now ready for the mainline Linux kernel! AMD engineer Borislav Petkov queued up these patches by Meta's Rik van Riel and commented:"Ok, I've got the whole thing here now: https://web.git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git/log/?h=tip-x86-cpu-tlbi
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