Re: [PATCH] tpm: Revert "tpm: fix invalid locking in NONBLOCKING mode"

[Tadeusz Struk]

On 5/27/20 5:30 PM, Jarkko Sakkinen wrote:
>> This won't help if the message is read by an async tcti. If the problem lies
>> in the chip get locality code, perhaps this could help to debug the root-cause
>> instead of masking it out in the upper layer code:
> What is TCTI and async TCTI? Not following.

TPM Command Transmission Interface (TCTI) as defined by TCG in
https://trustedcomputinggroup.org/resource/tss-tcti-specification/

the reason we added the O_NONBLOCK mode was to satisfy the TCG spec for async TCTI.

Thanks,
Tadeusz