On 9/10/23 04:29, guoren@xxxxxxxxxx wrote:
From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
Allow cmdline to force the kernel to use queued_spinlock when
CONFIG_RISCV_COMBO_SPINLOCKS=y.
Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
Signed-off-by: Guo Ren <guoren@xxxxxxxxxx>
---
Documentation/admin-guide/kernel-parameters.txt | 2 ++
arch/riscv/kernel/setup.c | 16 +++++++++++++++-
2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 7dfb540c4f6c..61cacb8dfd0e 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4693,6 +4693,8 @@
[KNL] Number of legacy pty's. Overwrites compiled-in
default number.
+ qspinlock [RISCV] Force to use qspinlock or auto-detect spinlock.
+
qspinlock.numa_spinlock_threshold_ns= [NUMA, PV_OPS]
Set the time threshold in nanoseconds for the
number of intra-node lock hand-offs before the
Your patch series is still based on top of numa-aware qspinlock patchset
which isn't upstream yet. Please rebase it without that as that will
cause merge conflict during upstream merge.
Cheers,
Longman
