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| author | Jens Wiklander <jens.wiklander@linaro.org> | 2017-11-14 14:34:08 +0100 |
|---|---|---|
| committer | Jérôme Forissier <jerome.forissier@linaro.org> | 2017-11-15 17:52:48 +0100 |
| commit | c7c4b6e31b3ba5b1c92a50fc00680fc07755e4ef (patch) | |
| tree | 95ee6d73c29bf296c1007a81055b6c6f77ef7bca /core/kernel | |
| parent | c330283b4a00d2e0b9229c78f1e95268f7c5d915 (diff) | |
core: allow multithreaded pseudo TAs
Introduces TA_FLAG_CONCURRENT valid for pseudo TAs only which allows
concurrent execution of the TA.
With this change a pseudo TA configured with TA_FLAG_CONCURRENT would
accept multiple sessions where each can be used concurrently with the
other sessions.
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Volodymyr Babchuk <vlad.babchuk@gmail.com>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Diffstat (limited to 'core/kernel')
| -rw-r--r-- | core/kernel/tee_ta_manager.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/core/kernel/tee_ta_manager.c b/core/kernel/tee_ta_manager.c index 65304717..12bb98a8 100644 --- a/core/kernel/tee_ta_manager.c +++ b/core/kernel/tee_ta_manager.c @@ -116,6 +116,9 @@ static bool tee_ta_try_set_busy(struct tee_ta_ctx *ctx) { bool rc = true; + if (ctx->flags & TA_FLAG_CONCURRENT) + return true; + mutex_lock(&tee_ta_mutex); if (ctx->flags & TA_FLAG_SINGLE_INSTANCE) @@ -156,6 +159,9 @@ static void tee_ta_set_busy(struct tee_ta_ctx *ctx) static void tee_ta_clear_busy(struct tee_ta_ctx *ctx) { + if (ctx->flags & TA_FLAG_CONCURRENT) + return; + mutex_lock(&tee_ta_mutex); assert(ctx->busy); |