On Wed, Aug 02, 2023 at 07:14:05PM -0400, Guo Ren wrote:

The pv_ops is belongs to x86 custom frame work, and it prevent other
architectures connect to the CNA spinlock.

static_call() exists as a arch neutral variant of this.

I'm working on riscv qspinlock on sg2042 64 cores 2/4 NUMA nodes
platforms. Here are the patches about riscv CNA qspinlock:
https://lore.kernel.org/linux-riscv/20230802164701.192791-19-guoren@kernel.org/ (local)

What's the next plan for this patch series? I think the two-queue design
has satisfied most platforms with two NUMA nodes.

What has been your reason for working on CNA? What lock has been so
contended you need this?

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