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fix: wrmsr: specify core number (closes #294)

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Stéphane Lesimple
2026-04-06 17:01:17 +02:00
parent ac09be87b5
commit fe5bf7c003
1 changed files with 1 additions and 2 deletions
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3
src/libs/340_cpu_msr.sh
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@@ -86,14 +86,13 @@ write_msr_one_core() {
ret=$?
else
# for Linux
# convert to decimal
if [ ! -w $CPU_DEV_BASE/"$core"/msr ]; then
ret_write_msr_msg="No write permission on $CPU_DEV_BASE/$core/msr"
return $WRITE_MSR_RET_ERR
# if wrmsr is available, use it
elif command -v wrmsr >/dev/null 2>&1 && [ "${SMC_NO_WRMSR:-}" != 1 ]; then
pr_debug "write_msr: using wrmsr"
wrmsr $msr_dec $value_dec 2>/dev/null
wrmsr -p "$core" $msr_dec $value_dec 2>/dev/null
ret=$?
# ret=4: msr doesn't exist, ret=127: msr.allow_writes=off
[ "$ret" = 127 ] && write_denied=1