lkml.org 
[lkml]   [2023]   [Aug]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v15 3/6] locking/qspinlock: Introduce CNA into the slow path of qspinlock
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/
>
> 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?

\
 
 \ /
  Last update: 2023-08-03 10:51    [W:0.130 / U:0.404 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site