On Thu, Feb 27, 2020 at 06:23:39PM +0200, Jarkko Sakkinen wrote: > On Thu, Feb 27, 2020 at 10:50:03AM -0500, George Wilson wrote: > > tpm_ibmvtpm_send() can fail during LPM resume with an H_CLOSED return > > from ibmvtpm_send_crq(). The PAPR says, 'The “partner partition > > suspended” transport event disables the associated CRQ such that any > > H_SEND_CRQ hcall() to the associated CRQ returns H_Closed until the CRQ > > has been explicitly enabled using the H_ENABLE_CRQ hcall.' This patch > > adds a check in tpm_ibmvtpm_send() for an H_CLOSED return from > > ibmvtpm_send_crq() and in that case calls tpm_ibmvtpm_resume() and > > retries the ibmvtpm_send_crq() once. > > > > Reported-by: Linh Pham <phaml@xxxxxxxxxx> > > Reviewed-by: Stefan Berger <stefanb@xxxxxxxxxxxxx> > > Signed-off-by: George Wilson <gcwilson@xxxxxxxxxxxxx> > > What is LPM anyway? It's PowerVM Live Partition Mobility. > > /Jarkko -- George Wilson IBM Linux Technology Center Security Development
