summaryrefslogtreecommitdiffstats
path: root/drivers/cdx/Kconfig
diff options
context:
space:
mode:
authorBreno Leitao <leitao@debian.org>2026-08-05 07:52:36 -0700
committerTejun Heo <tj@kernel.org>2026-08-10 11:47:20 -1000
commita5bde5d8fde8a8cb28e59a672d5ddc5b9c1e7656 (patch)
tree39f5b258386e1127d253d293194e9a2991bf3c34 /drivers/cdx/Kconfig
downloadlinux-stable-a5bde5d8fde8a8cb28e59a672d5ddc5b9c1e7656.tar.gz
linux-stable-a5bde5d8fde8a8cb28e59a672d5ddc5b9c1e7656.zip
workqueue: skip the node_nr_active update for non-unbound workqueuesgrafted
apply_wqattrs_commit() updates node_nr_active->max unconditionally. wq->node_nr_active[] is only allocated for unbound workqueues, so guard the call before per-cpu workqueues start using this path. No functional change: only unbound workqueues reach apply_wqattrs_*() today. Signed-off-by: Breno Leitao <leitao@debian.org> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/cdx/Kconfig')
-rw-r--r--drivers/cdx/Kconfig19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/cdx/Kconfig b/drivers/cdx/Kconfig
new file mode 100644
index 000000000..1f1e36050
--- /dev/null
+++ b/drivers/cdx/Kconfig
@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# CDX bus configuration
+#
+# Copyright (C) 2022-2023, Advanced Micro Devices, Inc.
+#
+
+config CDX_BUS
+ bool "CDX Bus driver"
+ depends on OF && ARM64 || COMPILE_TEST
+ help
+ Driver to enable Composable DMA Transfer(CDX) Bus. CDX bus
+ exposes Fabric devices which uses composable DMA IP to the
+ APU. CDX bus provides a mechanism for scanning and probing
+ of CDX devices. CDX devices are memory mapped on system bus
+ for embedded CPUs. CDX bus uses CDX controller and firmware
+ to scan these CDX devices.
+
+source "drivers/cdx/controller/Kconfig"