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fix: pkg/hwapi: close fd on each iteration in ReadMSR #16
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,15 +1,14 @@ | ||
| module github.com/9elements/go-linux-lowlevel-hw | ||
|
|
||
| go 1.22 | ||
| go 1.24.12 | ||
|
|
||
| require ( | ||
| github.com/digitalocean/go-smbios v0.0.0-20180907143718-390a4f403a8e | ||
| github.com/fearful-symmetry/gomsr v0.0.1 | ||
| github.com/u-root/cpuid v0.0.0 | ||
| github.com/google/go-tpm v0.9.1 | ||
| github.com/klauspost/cpuid/v2 v2.0.9 | ||
| github.com/micgor32/go-msr v0.0.0-20260216140510-4af4a85b8dc7 | ||
| github.com/u-root/cpuid v0.0.0 | ||
| ) | ||
|
|
||
| require ( | ||
| golang.org/x/sys v0.8.0 // indirect | ||
| ) | ||
| require golang.org/x/sys v0.17.0 // indirect |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,31 +1,15 @@ | ||
| package hwapi | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
|
|
||
| "github.com/fearful-symmetry/gomsr" | ||
| "github.com/micgor32/go-msr" | ||
| ) | ||
|
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| // ReadMSR returns the MSR on core #0 | ||
| func (h HwAPI) ReadMSR(msr int64) []uint64 { | ||
| count := 0 | ||
| var ret []uint64 | ||
| for { | ||
| msrCtx, err := gomsr.MSR(count) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stdout, "ReadMSR - gomsr.MSR context aborted with: %v\n", err) | ||
| break | ||
| } | ||
| msrData, err := msrCtx.Read(msr) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stdout, "ReadMSR - msrCtx.Read aborted with: %v\n", err) | ||
| break | ||
| } | ||
| ret = append(ret, msrData) | ||
| count++ | ||
| func (h HwAPI) ReadMSR(msrAddr int64) uint64 { | ||
| ret, err := msr.ReadMSR(0, msrAddr) | ||
| if err != nil { | ||
| return 0xff | ||
| } | ||
|
|
||
| fmt.Printf("ReadMSR - gomsr.MSR count: %d, ret len: %d\n", count, len(ret)) | ||
| return ret | ||
| } | ||
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