Messages in this thread | | | Date | Wed, 26 Feb 2020 17:00:51 +0200 | From | Jarkko Sakkinen <> | Subject | Re: [PATCH v2 2/4] tpm: ibmvtpm: Wait for buffer to be set before proceeding |
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On Tue, Feb 25, 2020 at 01:14:32PM -0500, Stefan Berger wrote: > 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@linux.ibm.com> > > > > > > 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?
The one that introduced the race condition if there is such.
/Jarkko
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