diff options
| author | Ming Liu <ming.liu@toradex.com> | 2020-11-04 16:24:51 +0100 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2021-02-22 18:34:26 +0100 |
| commit | 58d8aaa8e47ff466f2cf70a6f2ab2b9f3f96f51a (patch) | |
| tree | 75e01d28b9370a13cbf385bb60e30f8f5aa41770 | |
| parent | e77fea90da6e2fa44eb9c3597893d6c8a104417a (diff) | |
linux-toradex-mainline: disable configs that lead to latency
Explicitly disable kernel configs that could lead to latency on
preempt-rt kernel.
Also explicitly enable CONFIG_EXPERT, which is being depended by
CONFIG_PREEMPT_RT.
Related-to: TOR-1354
Signed-off-by: Ming Liu <ming.liu@toradex.com>
(cherry picked from commit 7158ef9e45d854bb92aaf3074b25b80663d185b6)
4 files changed, 20 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-toradex-5.4-2.1.x/preempt-rt-less-latency.cfg b/recipes-kernel/linux/linux-toradex-5.4-2.1.x/preempt-rt-less-latency.cfg new file mode 100644 index 0000000..a9c88bd --- /dev/null +++ b/recipes-kernel/linux/linux-toradex-5.4-2.1.x/preempt-rt-less-latency.cfg @@ -0,0 +1,14 @@ +# CONFIG_PM_DEBUG is not set +# CONFIG_6LOWPAN_DEBUGFS is not set +# CONFIG_BT_DEBUGFS is not set +# CONFIG_ATH9K_DEBUGFS is not set +# CONFIG_ATH9K_HTC_DEBUGFS is not set +# CONFIG_ATH10K_DEBUGFS is not set +# CONFIG_RTLWIFI_DEBUG is not set +# CONFIG_IEEE802154_AT86RF230_DEBUGFS is not set +# CONFIG_DYNAMIC_DEBUG is not set +# CONFIG_DETECT_HUNG_TASK is not set +# CONFIG_SCHEDSTATS is not set +# CONFIG_SCHED_DEBUG is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_CORESIGHT is not set diff --git a/recipes-kernel/linux/linux-toradex-5.4-2.1.x/preempt-rt-less-latency.scc b/recipes-kernel/linux/linux-toradex-5.4-2.1.x/preempt-rt-less-latency.scc new file mode 100644 index 0000000..edd1519 --- /dev/null +++ b/recipes-kernel/linux/linux-toradex-5.4-2.1.x/preempt-rt-less-latency.scc @@ -0,0 +1,4 @@ +define KFEATURE_DESCRIPTION "Disable configs that could lead to preempt-rt latency" +define KFEATURE_COMPATIBILITY board + +kconf non-hardware preempt-rt-less-latency.cfg diff --git a/recipes-kernel/linux/linux-toradex-5.4-2.1.x/preempt-rt.cfg b/recipes-kernel/linux/linux-toradex-5.4-2.1.x/preempt-rt.cfg index 93e05af..f76e447 100644 --- a/recipes-kernel/linux/linux-toradex-5.4-2.1.x/preempt-rt.cfg +++ b/recipes-kernel/linux/linux-toradex-5.4-2.1.x/preempt-rt.cfg @@ -1,3 +1,4 @@ +CONFIG_EXPERT=y # CONFIG_PREEMPT_NONE is not set # CONFIG_PREEMPT_VOLUNTARY is not set # CONFIG_PREEMPT is not set diff --git a/recipes-kernel/linux/linux-toradex_5.4-2.1.x.bb b/recipes-kernel/linux/linux-toradex_5.4-2.1.x.bb index b5edc7c..261af71 100644 --- a/recipes-kernel/linux/linux-toradex_5.4-2.1.x.bb +++ b/recipes-kernel/linux/linux-toradex_5.4-2.1.x.bb @@ -46,6 +46,7 @@ MIRRORS_append_preempt-rt = "${KERNELORG_MIRROR}/linux/kernel/projects/rt/5.4/ol SRC_URI_append_preempt-rt = " \ ${KERNELORG_MIRROR}/linux/kernel/projects/rt/5.4/older/patch-5.4.77-rt43.patch.xz;name=rt-patch \ file://preempt-rt.scc \ + file://preempt-rt-less-latency.scc \ " # This patches do currently not apply but are likely needed or we get # runtime bugs. |