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...owing vulnerable to meltdown, speculative store bypass (ssbd), as well as MDS via MD_CLEAR mitigation. When I mount the debugfs, the flag for ibrs is missing - preventing me enabling it as a mitigation for ssbd (due to lack of relevant cpu flag): # mount -t debugfs none /sys/kernel/debug/ # ls -lahtr /sys/kernel/debug/x86/ibrs_enabled ls: cannot access /sys/kernel/debug/x86/ibrs_enabled: No such file or directory I have other R620's with the same CPUs running stock el6 kernels that are showing as fully patched to these issues. Could I please get some feedback from whoever builds out the...