a324b7f71d
When turning IBRS mitigation using sysctl, as opposed to loader tunable, send IPI to tweak MSR on all cores. Right now code only performed MSR write onr the CPU where sysctl was run. Properly report hw.ibrs_active for IBRS_ALL. Split hw_ibrs_ibpb_active out from ibrs_active, to keep the current semantic of guiding kernel entry and exit handlers. Reported and tested by: mav Sponsored by: The FreeBSD Foundation MFC after: 1 week |
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| cpuctl.c | ||