From mboxrd@z Thu Jan 1 00:00:00 1970 From: Allen Pais To: op-tee@lists.trustedfirmware.org Subject: [PATCH 0/2] optee: fix OOM seen due to tee_shm_free() Date: Wed, 17 Feb 2021 14:57:12 +0530 Message-ID: <20210217092714.121297-1-allen.lkml@gmail.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1673458038553056417==" List-Id: --===============1673458038553056417== Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Allen Pais 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 Allen Pais (2): optee: fix tee out of memory failure seen during kexec reboot firmware: tee_bnxt: implement shutdown method to handle kexec reboots drivers/firmware/broadcom/tee_bnxt_fw.c | 9 ++++ drivers/tee/optee/core.c | 69 ++++++++++++++++++------- 2 files changed, 58 insertions(+), 20 deletions(-) -- 2.25.1 --===============1673458038553056417==--