On Tue, Jun 15, 2021 at 12:33 AM Tyler Hicks <tyhicks@xxxxxxxxxxxxxxxxxxx> wrote: > > From: Sumit Garg <sumit.garg@xxxxxxxxxx> > > Currently TEE_SHM_DMA_BUF flag has been inappropriately used to not > register shared memory allocated for private usage by underlying TEE > driver: OP-TEE in this case. So rather add a new flag as TEE_SHM_PRIV > that can be utilized by underlying TEE drivers for private allocation > and usage of shared memory. > > With this corrected, allow tee_shm_alloc_kernel_buf() to allocate a > shared memory region without the backing of dma-buf. > > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Sumit Garg <sumit.garg@xxxxxxxxxx> > Co-developed-by: Tyler Hicks <tyhicks@xxxxxxxxxxxxxxxxxxx> > Signed-off-by: Tyler Hicks <tyhicks@xxxxxxxxxxxxxxxxxxx> > --- > drivers/tee/optee/call.c | 2 +- > drivers/tee/optee/core.c | 3 ++- > drivers/tee/optee/rpc.c | 5 +++-- > drivers/tee/optee/shm_pool.c | 8 ++++++-- > drivers/tee/tee_shm.c | 4 ++-- > include/linux/tee_drv.h | 1 + > 6 files changed, 15 insertions(+), 8 deletions(-) Reviewed-by: Jens Wiklander <jens.wiklander@xxxxxxxxxx>
