On 2020-07-16 13:46, Brian Inglis wrote: > On 2020-07-16 08:56, Lavrentiev, Anton (NIH/NLM/NCBI) [C] via Cygwin wrote: > It may be possible that Windows executes a CPUID instruction, and then reads > MSR
Intel states CPUID of leaf EAX = 1, so not reading that leaf may not update MSR. > 8BH IA32_BIOS_SIGN_ID to get the current value, without first preloading the > MSR > with zero, and rather than interpreting the zero result as unchanged, just > reports that value. -- Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada This email may be disturbing to some readers as it contains too much technical detail. Reader discretion is advised. [Data in IEC units and prefixes, physical quantities in SI.] -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
