Re: [PATCH v2 2/4] tpm: ibmvtpm: Wait for buffer to be set before proceeding

[Stefan Berger]

On 2/25/20 11:57 AM, Jarkko Sakkinen wrote:
> On Thu, Feb 13, 2020 at 03:23:27PM -0500, Stefan Berger wrote:
> > From: Stefan Berger <stefanb@xxxxxxxxxxxxx>
> >
> > Synchronize with the results from the CRQs before continuing with
> > the initialization. This avoids trying to send TPM commands while
> > the rtce buffer has not been allocated, yet.
> What is CRQ anyway an acronym of?

Command request queue.


> > This patch fixes an existing race condition that may occurr if the
> > hypervisor does not quickly respond to the VTPM_GET_RTCE_BUFFER_SIZE
> > request sent during initialization and therefore the ibmvtpm->rtce_buf
> > has not been allocated at the time the first TPM command is sent.
> If it fixes a race condition, why doesn't it have a fixes tag?

Which commit should I mention?

 Stefan


> /Jarkko