peter/spectre-meltdown-checker
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spectre-meltdown-checker
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fix(mds): ARM and CAVIUM are not thought to be vulnerable

This commit is contained in:
Stéphane Lesimple 2019-05-15 10:56:49 +02:00
parent ae56ec0bc5
commit 5788cec18b
1 changed files with 16 additions and 18 deletions
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34
spectre-meltdown-checker.sh
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@ -325,6 +325,14 @@ is_cpu_vulnerable()
variant_mlpds=''
variant_mdsum=''
if is_cpu_mds_free; then
[ -z "$variant_msbds" ] && variant_msbds=immune
[ -z "$variant_mfbds" ] && variant_mfbds=immune
[ -z "$variant_mlpds" ] && variant_mlpds=immune
[ -z "$variant_mdsum" ] && variant_mdsum=immune
_debug "is_cpu_vulnerable: cpu not affected by Microarchitectural Data Sampling"
fi
if is_cpu_specex_free; then
variant1=immune
variant2=immune
@ -365,13 +373,6 @@ is_cpu_vulnerable()
[ -z "$variant4" ] && variant4=immune
_debug "is_cpu_vulnerable: cpu not affected by speculative store bypass so not vuln to variant4"
fi
if is_cpu_mds_free; then
[ -z "$variant_msbds" ] && variant_msbds=immune
[ -z "$variant_mfbds" ] && variant_mfbds=immune
[ -z "$variant_mlpds" ] && variant_mlpds=immune
[ -z "$variant_mdsum" ] && variant_mdsum=immune
_debug "is_cpu_vulnerable: cpu not affected by Microarchitectural Data Sampling"
fi
# variant 4a for xeon phi
if [ "$cpu_family" = 6 ]; then
if [ "$cpu_model" = "$INTEL_FAM6_XEON_PHI_KNL" ] || [ "$cpu_model" = "$INTEL_FAM6_XEON_PHI_KNM" ]; then
@ -420,13 +421,6 @@ is_cpu_vulnerable()
[ -z "$variant4" ] && variant4=immune
_debug "is_cpu_vulnerable: cpu not affected by speculative store bypass so not vuln to variant4"
fi
if is_cpu_mds_free; then
[ -z "$variant_msbds" ] && variant_msbds=immune
[ -z "$variant_mfbds" ] && variant_mfbds=immune
[ -z "$variant_mlpds" ] && variant_mlpds=immune
[ -z "$variant_mdsum" ] && variant_mdsum=immune
_debug "is_cpu_vulnerable: cpu not affected by Microarchitectural Data Sampling"
fi
variantl1tf=immune
elif [ "$cpu_vendor" = CAVIUM ]; then
variant3=immune
@ -602,7 +596,7 @@ is_cpu_mds_free()
fi
fi
fi
if is_amd; then
if [ "$cpu_family" = "18" ] || \
[ "$cpu_family" = "17" ] || \
@ -611,12 +605,16 @@ is_cpu_mds_free()
return 0
fi
fi
if is_hygon; then
return 0
elif [ "$cpu_vendor" = CAVIUM ]; then
return 0
elif [ "$cpu_vendor" = ARM ]; then
return 0
fi
return 1
return 1
}
is_cpu_ssb_free()