https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235010
--- Comment #3 from [email protected] --- A commit references this bug: Author: cem Date: Thu Jan 17 19:44:48 UTC 2019 New revision: 343120 URL: https://svnweb.freebsd.org/changeset/base/343120 Log: Add definitions for AMD Spectre/Meltdown CPUID information No functional change, aside from printing recognized bits in CPU identification. The bits are documented in 111006-B "Indirect Branch Control Extension"[1] and 124441 "Speculative Store Bypass Disable."[2] Notably missing (left as future work): * Integration with hw.spec_store_bypass_disable and hw_ssb_active flag, which are currently Intel-specific * Integration with hw_ibrs_active global flag, which are currently Intel-specific * SSB_NO integration in hw_ssb_recalculate() * Bhyve integration (PR 235010) [1]: https://developer.amd.com/wp-content/resources/111006-B_AMD64TechnologyIndirectBranchControlExtenstion_WP_7-18Update_FNL.pdf [2]: https://developer.amd.com/wp-content/resources/124441_AMD64_SpeculativeStoreBypassDisable_Whitepaper_final.pdf PR: 235010 (related, but does not fix) MFC after: a week Changes: head/sys/x86/include/specialreg.h head/sys/x86/x86/identcpu.c -- You are receiving this mail because: You are the assignee for the bug. _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-virtualization To unsubscribe, send any mail to "[email protected]"
