Re: [External] Re: [PATCH] RISC-V: add uniprocessor flush_tlb_range() support

[yunhui cui]

Hi Jisheng,

On Mon, Jan 29, 2024 at 4:02 PM Jisheng Zhang <jszhang@xxxxxxxxxx> wrote:
>
> On Thu, Jan 25, 2024 at 02:20:44PM +0800, Yunhui Cui wrote:
> > Add support for flush_tlb_range() to improve TLB performance for
> > UP systems. In order to avoid the mutual inclusion of tlbflush.h
> > and hugetlb.h, the UP part is also implemented in tlbflush.c.
>
> Hi Yunhui,
>
> IIRC, Samuel sent similar patch series a few weeks ago.
>
> https://lore.kernel.org/linux-riscv/20240102220134.3229156-1-samuel.holland@xxxxxxxxxx/
>
> After that series, do you still need this patch?

Thank you for your reminder. I didn't find it before I mailed my
patch. I just looked at the content of this patch. I understand that
my patch is needed. For a single core, a more concise TLB flush logic
is needed, and it is helpful to improve performance.

Thanks,
Yunhui