fix Encryption Bit mask

abarisani · abarisani · commit d2a250f1bacd · 2026-01-14T12:43:40.000+01:00
diff --git a/kvm/sev/sev.go b/kvm/sev/sev.go
@@ -69,8 +69,8 @@ func Features(cpu *amd64.CPU) (f SVMFeatures) {
 	f.SEV.ES = bits.IsSet(&status, SEV_STATUS_SEV_ES)
 	f.SEV.SNP = bits.IsSet(&status, SEV_STATUS_SEV_SNP)
 
-	_, ebx, _, _ := cpu.CPUID(amd64.CPUID_AMD_ENCM, 0) & 0b111111
-	f.EncryptionBit = ebx  0b111111
+	_, ebx, _, _ := cpu.CPUID(amd64.CPUID_AMD_ENCM, 0)
+	f.EncryptionBit = ebx & 0b111111
 
 	return
 }

Original file line number	Diff line number	Diff line change
`@@ -69,8 +69,8 @@ func Features(cpu *amd64.CPU) (f SVMFeatures) {`
`69`	`69`	`f.SEV.ES = bits.IsSet(&status, SEV_STATUS_SEV_ES)`
`70`	`70`	`f.SEV.SNP = bits.IsSet(&status, SEV_STATUS_SEV_SNP)`
`71`	`71`
`72`		`- _, ebx, _, _ := cpu.CPUID(amd64.CPUID_AMD_ENCM, 0) & 0b111111`
`73`		`- f.EncryptionBit = ebx 0b111111`
	`72`	`+ _, ebx, _, _ := cpu.CPUID(amd64.CPUID_AMD_ENCM, 0)`
	`73`	`+ f.EncryptionBit = ebx & 0b111111`
`74`	`74`
`75`	`75`	`return`
`76`	`76`	`}`