Re: [RFC v2 PATCH 0/16] Optimize this_cpu_*() ops for non-x86 (ARM64 for this series)

Matthew Wilcox <[email protected]> Tue, 4 Aug 2026 19:06:51 +0100
Newsgroups gmane.linux.kernel,gmane.linux.kernel.mm,gmane.linux.ports.arm.kernel
Message-ID <[email protected]>
On Tue, Aug 04, 2026 at 11:40:54AM -0300, Jason Gunthorpe wrote:
> That said there is still a merit for things like replicating .text, and
> I think we will also have some multi-socket systems that would benefit
> from this too..

Are you referring to kernel text replication or userspace text
replication?  If the latter, I don't think we need per-CPU page tables
to do it.