On Wed, Dec 11, 2019 at 6:15 PM Dan Williams dan.j.williams@intel.com wrote:
On Wed, Dec 11, 2019 at 3:56 PM Jerry Snitselaar jsnitsel@redhat.com wrote:
Instead of repeatedly calling tpm_chip_start/tpm_chip_stop when issuing commands to the tpm during initialization, just reserve the chip after wait_startup, and release it when we are ready to call tpm_chip_register.
Cc: Christian Bundy christianbundy@fraction.io Cc: Dan Williams dan.j.williams@intel.com Cc: Peter Huewe peterhuewe@gmx.de Cc: Jarkko Sakkinen jarkko.sakkinen@linux.intel.com Cc: Jason Gunthorpe jgg@ziepe.ca Cc: Stefan Berger stefanb@linux.vnet.ibm.com Cc: stable@vger.kernel.org Cc: linux-integrity@vger.kernel.org Fixes: a3fbfae82b4c ("tpm: take TPM chip power gating out of tpm_transmit()") Fixes: 5b359c7c4372 ("tpm_tis_core: Turn on the TPM before probing IRQ's")
Ugh, sorry, I guess this jinxed it. This patch does not address the IRQ storm on the platform I reported earlier.
Are the reverts making their way upstream?