peter/spectre-meltdown-checker
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spectre-meltdown-checker
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no need to set vulnerable CPUs 

According to comment above this code:
'by default, everything is vulnerable, we work in a "whitelist" logic here.'
This commit is contained in:
Corey Hickey 2018-01-12 15:09:16 -08:00
parent 1fd9fce46d
commit b31711b42b
1 changed files with 3 additions and 8 deletions
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11
spectre-meltdown-checker.sh
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@ -159,7 +159,6 @@ is_cpu_vulnerable()
variant2=0 variant2=0
variant3=0 variant3=0
if grep -q AMD /proc/cpuinfo; then if grep -q AMD /proc/cpuinfo; then
variant1=0
variant2=1 variant2=1
variant3=1 variant3=1
elif grep -qi 'CPU implementer\s*:\s*0x41' /proc/cpuinfo; then elif grep -qi 'CPU implementer\s*:\s*0x41' /proc/cpuinfo; then
@ -175,20 +174,16 @@ is_cpu_vulnerable()
# arch 7? 7? 7 7 7 8 8 8 8 # arch 7? 7? 7 7 7 8 8 8 8
if [ "$cpuarch" = 7 ] && echo "$cpupart" | grep -Eq '^0x(c09|c0f|c0e)$'; then if [ "$cpuarch" = 7 ] && echo "$cpupart" | grep -Eq '^0x(c09|c0f|c0e)$'; then
# armv7 vulnerable chips # armv7 vulnerable chips
variant1=0 :
variant2=0
elif [ "$cpuarch" = 8 ] && echo "$cpupart" | grep -Eq '^0x(d07|d08|d09|d0a)$'; then elif [ "$cpuarch" = 8 ] && echo "$cpupart" | grep -Eq '^0x(d07|d08|d09|d0a)$'; then
# armv8 vulnerable chips # armv8 vulnerable chips
variant1=0 :
variant2=0
else else
variant1=1 variant1=1
variant2=1 variant2=1
fi fi
# for variant3, only A75 is vulnerable # for variant3, only A75 is vulnerable
if [ "$cpuarch" = 8 -a "$cpupart" = 0xd0a ]; then if ! [ "$cpuarch" = 8 -a "$cpupart" = 0xd0a ]; then
variant3=0
else
variant3=1 variant3=1
fi fi
fi fi