From a5bde5d8fde8a8cb28e59a672d5ddc5b9c1e7656 Mon Sep 17 00:00:00 2001 From: Breno Leitao Date: Wed, 5 Aug 2026 07:52:36 -0700 Subject: workqueue: skip the node_nr_active update for non-unbound workqueues 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 Signed-off-by: Tejun Heo --- arch/parisc/Kconfig.debug | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 arch/parisc/Kconfig.debug (limited to 'arch/parisc/Kconfig.debug') diff --git a/arch/parisc/Kconfig.debug b/arch/parisc/Kconfig.debug new file mode 100644 index 000000000..f4f164eb1 --- /dev/null +++ b/arch/parisc/Kconfig.debug @@ -0,0 +1,23 @@ +# SPDX-License-Identifier: GPL-2.0 +# +config LIGHTWEIGHT_SPINLOCK_CHECK + bool "Enable lightweight spinlock checks" + depends on DEBUG_KERNEL && SMP && !DEBUG_SPINLOCK + default y + help + Add checks with low performance impact to the spinlock functions + to catch memory overwrites at runtime. For more advanced + spinlock debugging you should choose the DEBUG_SPINLOCK option + which will detect unitialized spinlocks too. + If unsure say Y here. + +config TLB_PTLOCK + bool "Use page table locks in TLB fault handler" + depends on DEBUG_KERNEL && SMP + default n + help + Select this option to enable page table locking in the TLB + fault handler. This ensures that page table entries are + updated consistently on SMP machines at the expense of some + loss in performance. + -- cgit v1.3.1