[PATCH 0/2] optee: fix OOM seen due to tee_shm_free()

From: Allen Pais apais@linux.microsoft.com

On Wed, 17 Feb 2021 14:57:12 +0530, Allen Pais wrote:

The following out of memory errors are seen on kexec reboot from the optee core. [ 0.368428] tee_bnxt_fw optee-clnt0: tee_shm_alloc failed [ 0.368461] tee_bnxt_fw: probe of optee-clnt0 failed with error -22 tee_shm_release() is not invoked on dma shm buffer. Implement .shutdown() in optee core as well as bnxt firmware driver to handle the release of the buffers correctly. More info: https://github.com/OP-TEE/optee_os/issues/3637

CC: linux-kernel@vger.kernel.org instead of linux-mips? TEE / TrustZone is ARM.

Also, for Broadcom specific - CC: bcm-kernel-feedback-list@broadcom.com