Oracle Brings KPTI Meltdown Mitigation To Linux 4.1
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An Oracle kernel developer has posted patches bringing kernel page table isolation (KPTI, formerly known as KAISER) to the Linux 4.1 stable kernel series.
The Oracle work is based upon the patches posted for the Linux 4.4 kernel series, which the Oracle developers then ported to their Unbreakable Enterprise Kernel derived from Linux 4.1. After that, they ported the patches from their UEK4.1 kernel to the upstream/vanilla Linux 4.1 kernel.
65 patches in total at just under two thousand lines of code is now available for testing if you want PTI/KAISER for Linux 4.1.
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