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https://github.com/speed47/spectre-meltdown-checker
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feat: add L1D flush cpuid feature bit detection
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@ -2057,6 +2057,16 @@ check_cpu()
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pstatus yellow NO
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pstatus yellow NO
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fi
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fi
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fi
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fi
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# CPUID of L1D
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_info_nol " * CPU indicates L1D flush capability: "
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read_cpuid 0x7 $EDX 28 1 1; ret=$?
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if [ $ret -eq 0 ]; then
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pstatus green YES "L1D flush feature bit"
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elif [ $ret -eq 1 ]; then
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pstatus yellow NO
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elif [ $ret -eq 2 ]; then
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pstatus yellow UNKNOWN "is cpuid kernel module available?"
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fi
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if is_intel; then
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if is_intel; then
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_info " * Enhanced IBRS (IBRS_ALL)"
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_info " * Enhanced IBRS (IBRS_ALL)"
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