Re: [PATCH v4] riscv: mm: Avoid spurious fault after hotplugging vmemmap

From: Andrew Morton

Date: Thu Jul 09 2026 - 22:34:48 EST


On Thu, 9 Jul 2026 20:00:08 -0600 (MDT) Paul Walmsley <pjw@xxxxxxxxxx> wrote:

> Hi Andrew,
>
> On Tue, 30 Jun 2026, Andrew Morton wrote:
>
> > On Wed, 1 Jul 2026 13:01:15 +0800 Vivian Wang <wangruikang@xxxxxxxxxxx> wrote:
> >
> > > which made it miss:
> > >
> > > Changes in v4:
> > > - Rebase on v7.2-rc1, drop dependencies
> > > - (No code changes otherwise)
> > > - (A concurrency fix for mark_new_valid_map was sent independently)
> > >   https://lore.kernel.org/linux-riscv/20260629-riscv-mm-new-valid-map-ordering-v1-1-60d8c10c6292@xxxxxxxxxxx/
> > > ^--- this
> >
> > Cool, I grabbed that. Same caveats: riscv maintainers, please?
>
> I just responded to Vivian's v5. I guess he'll probably do a v6, at which
> point, will plan to queue it for v7.2-rc here, unless you have any
> objections?

Go for it, thanks.

When I see a version of this pop up in linux-next I'll drop the mm.git
copy. This is my standard procedure.