OP-TEE April 2022

op-tee@lists.trustedfirmware.org

11 participants
15 discussions

[PATCH v2 0/4] OP-TEE RPC argument cache

by Jens Wiklander

Hi all, This patchset optimizes handling of the argument struct passed to call_with_arg when doing a yielding call to OP-TEE. Prior to this was this struct allocated before the yielding call and then freed after it had returned. In case many calls are made in succession this results in quite a bit of unnecessary allocte/free and possibly also switching back and forth to secure work in order to register if needed. Another optimization handles the way the argument struct needed to do RPC is … [View More]

2 years, 11 months

Preparing for OP-TEE 3.17.0

by Jerome Forissier

[BCC all OP-TEE maintainers] Hi OP-TEE maintainers & contributors, OP-TEE v3.17.0 is scheduled to be released on 2022-04-22. So, now is a good time to start testing the master branch on the various platforms and report/fix any bugs. The GitHub pull request for collecting Tested-by tags or any other comments is https://github.com/OP-TEE/optee_os/pull/5229 As usual, we will create a release candidate tag one week before the release date for final testing. In addition to that you can find … [View More]

2 years, 12 months

[PATCH v4] tee: make tee_shm_register_kernel_buf vmalloc supported

by Phil Chang

In some low-memory devices, it's hard to aquire large-orders pages, this patch allowed user using scatter pages to register shm. Signed-off-by: Phil Chang <phil.chang(a)mediatek.com> Reviewed-by: Sumit Garg <sumit.garg(a)linaro.org> --- drivers/tee/optee/call.c | 2 +- drivers/tee/tee_shm.c | 35 +++++++++++++++++++++++++---------- 2 files changed, 26 insertions(+), 11 deletions(-) diff --git a/drivers/tee/optee/call.c b/drivers/tee/optee/call.c index bd49ec934060..… [View More]

2 years, 12 months

[PATCH 0/3] OP-TEE RPC argument cache

by Jens Wiklander

Hi all, This patchset optimizes handling of the argument struction passed to call_with_arg when doing a yielding call to OP-TEE. Prior to this was this structure allocated before the yielding call and then freed after it had returned. In case many calls are made in succession this results in quite a bit of unncesary allocte/free and possibly also switching back and forth to secure work in order to register if needed. Another optimization handles the way the argument struct needed to do RPC … [View More]

2 years, 12 months

[PATCH] tee: optee: add missing mutext_destroy in optee_ffa_probe

by Dongliang Mu

From: Dongliang Mu <mudongliangabcd(a)gmail.com> The error handling code of optee_ffa_probe misses the mutex_destroy of ffa.mutex when mutext_init succeeds. Fix this by adding mutex_destory of ffa.mutex at the error handling part Fixes: aceeafefff73 ("optee: use driver internal tee_context for some rpc") Signed-off-by: Dongliang Mu <mudongliangabcd(a)gmail.com> --- drivers/tee/optee/ffa_abi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/tee/optee/ffa_abi.c b/… [View More]

2 years, 12 months

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OP-TEE April 2022