Re:LLVM Clang 12 Merges Support For x86_64 Microarchitecture...
by my123 on Sunday November 08, 2020 @04:35PM
(#25029296)
Hardware lock elision was disabled via a microcode update. (see https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/lin...)
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Re:LLVM Clang 12 Merges Support For x86_64 Microarchitecture...
by throwaway2048 on Sunday November 08, 2020 @08:44PM
(#25030659)
Not to mention TSX instructions have been broken in one way or another since their introduction, and now have been removed entirely in new intel silicon.