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https://github.com/speed47/spectre-meltdown-checker.git
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Update Intel Atom 6 cpu names to align with kernel
Update processor names of atom 6 family processors to align with those from kernel as of October 2018. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/arch/x86/include/asm/intel-family.h?id=f2c4db1bd80720cd8cb2a5aa220d9bc9f374f04e Update list of known immune processors from https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/arch/x86/kernel/cpu/common.c?id=f2c4db1bd80720cd8cb2a5aa220d9bc9f374f04e
This commit is contained in:
Rob Gill
GitHub
@@ -351,17 +351,21 @@ is_cpu_vulnerable()
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fi
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# L1TF (RDCL_NO already checked above)
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if [ "$cpu_family" = 6 ]; then
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if [ "$cpu_model" = "$INTEL_FAM6_ATOM_CEDARVIEW" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_CLOVERVIEW" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_LINCROFT" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_PENWELL" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_PINEVIEW" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_SILVERMONT1" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_SILVERMONT2" ] || \
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if [ "$cpu_model" = "$INTEL_FAM6_ATOM_SALTWELL" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_SALTWELL_TABLET" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_SALTWELL_MID" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_BONNELL" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_BONNELL_MID" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_SILVERMONT" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_SILVERMONT_MID" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_SILVERMONT_X" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_AIRMONT" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_MERRIFIELD" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_AIRMONT_MID" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_GOLDMONT" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_GOLDMONT_X" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_GOLDMONT_PLUS" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_XEON_PHI_KNL" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_XEON_PHI_KNM" ]; then
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[ "$cpu_model" = "$INTEL_FAM6_XEON_PHI_KNM" ]; then
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_debug "is_cpu_vulnerable: intel family 6 but model known to be immune"
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[ -z "$variantl1tf" ] && variantl1tf=immune
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@@ -501,23 +505,24 @@ is_cpu_specex_free()
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# return true (0) if the CPU doesn't do speculative execution, false (1) if it does.
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# if it's not in the list we know, return false (1).
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# source: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/x86/kernel/cpu/common.c#n882
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# { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_CEDARVIEW, X86_FEATURE_ANY },
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# { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_CLOVERVIEW, X86_FEATURE_ANY },
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# { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_LINCROFT, X86_FEATURE_ANY },
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# { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_PENWELL, X86_FEATURE_ANY },
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# { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_PINEVIEW, X86_FEATURE_ANY },
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# { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SALTWELL, X86_FEATURE_ANY },
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# { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SALTWELL_TABLET, X86_FEATURE_ANY },
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# { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_BONNELL_MID, X86_FEATURE_ANY },
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# { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SALTWELL_MID, X86_FEATURE_ANY },
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# { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_BONNELL, X86_FEATURE_ANY },
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# { X86_VENDOR_CENTAUR, 5 },
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# { X86_VENDOR_INTEL, 5 },
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# { X86_VENDOR_NSC, 5 },
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# { X86_VENDOR_ANY, 4 },
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parse_cpu_details
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if is_intel; then
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if [ "$cpu_family" = 6 ]; then
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if [ "$cpu_model" = "$INTEL_FAM6_ATOM_CEDARVIEW" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_CLOVERVIEW" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_LINCROFT" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_PENWELL" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_PINEVIEW" ]; then
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if [ "$cpu_model" = "$INTEL_FAM6_ATOM_SALTWELL" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_SALTWELL_TABLET" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_BONNELL_MID" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_SALTWELL_MID" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_BONNELL" ]; then
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return 0
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fi
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elif [ "$cpu_family" = 5 ]; then
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@@ -535,10 +540,10 @@ is_cpu_ssb_free()
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# source1: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/x86/kernel/cpu/common.c#n945
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# source2: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/tree/arch/x86/kernel/cpu/common.c
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# Only list CPUs that speculate but are immune, to avoid duplication of cpus listed in is_cpu_specex_free()
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#{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT1 },
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#{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT },
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#{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_AIRMONT },
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#{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT2 },
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#{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_MERRIFIELD },
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#{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT_X },
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#{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT_MID },
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#{ X86_VENDOR_INTEL, 6, INTEL_FAM6_CORE_YONAH },
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#{ X86_VENDOR_INTEL, 6, INTEL_FAM6_XEON_PHI_KNL },
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#{ X86_VENDOR_INTEL, 6, INTEL_FAM6_XEON_PHI_KNM },
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@@ -550,9 +555,9 @@ is_cpu_ssb_free()
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if is_intel; then
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if [ "$cpu_family" = 6 ]; then
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if [ "$cpu_model" = "$INTEL_FAM6_ATOM_AIRMONT" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_SILVERMONT1" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_SILVERMONT2" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_MERRIFIELD" ]; then
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_SILVERMONT" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_SILVERMONT_X" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_ATOM_SILVERMONT_MID" ]; then
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return 0
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elif [ "$cpu_model" = "$INTEL_FAM6_CORE_YONAH" ] || \
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[ "$cpu_model" = "$INTEL_FAM6_XEON_PHI_KNL" ] || \
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@@ -1261,19 +1266,19 @@ parse_cpu_details()
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# /* "Small Core" Processors (Atom) */
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INTEL_FAM6_ATOM_PINEVIEW=$(( 0x1C ))
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INTEL_FAM6_ATOM_LINCROFT=$(( 0x26 ))
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INTEL_FAM6_ATOM_PENWELL=$(( 0x27 ))
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INTEL_FAM6_ATOM_CLOVERVIEW=$(( 0x35 ))
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INTEL_FAM6_ATOM_CEDARVIEW=$(( 0x36 ))
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INTEL_FAM6_ATOM_SILVERMONT1=$(( 0x37 ))
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INTEL_FAM6_ATOM_SILVERMONT2=$(( 0x4D ))
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INTEL_FAM6_ATOM_BONNELL=$(( 0x1C ))
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INTEL_FAM6_ATOM_BONNELL_MID=$(( 0x26 ))
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INTEL_FAM6_ATOM_SALTWELL_MID=$(( 0x27 ))
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INTEL_FAM6_ATOM_SALTWELL_TABLET=$(( 0x35 ))
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INTEL_FAM6_ATOM_SALTWELL=$(( 0x36 ))
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INTEL_FAM6_ATOM_SILVERMONT=$(( 0x37 ))
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INTEL_FAM6_ATOM_SILVERMONT_MID=$(( 0x4A ))
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INTEL_FAM6_ATOM_SILVERMONT_X=$(( 0x4D ))
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INTEL_FAM6_ATOM_AIRMONT=$(( 0x4C ))
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INTEL_FAM6_ATOM_MERRIFIELD=$(( 0x4A ))
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INTEL_FAM6_ATOM_MOOREFIELD=$(( 0x5A ))
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INTEL_FAM6_ATOM_AIRMONT_MID=$(( 0x5A ))
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INTEL_FAM6_ATOM_GOLDMONT=$(( 0x5C ))
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INTEL_FAM6_ATOM_DENVERTON=$(( 0x5F ))
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INTEL_FAM6_ATOM_GEMINI_LAKE=$(( 0x7A ))
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INTEL_FAM6_ATOM_GOLDMONT_X=$(( 0x5F ))
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INTEL_FAM6_ATOM_GOLDMONT_PLUS=$(( 0x7A ))
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# /* Xeon Phi */
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