linux-kernel - Re: [PATCH V5 2/3] riscv: Add ASID-based tlbflushing methods

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Message-ID: <CAJF2gTQ3pG-EoDnqonEcMyKzdXPkf5s7qcyLSm9x79RiETCWkg@mail.gmail.com>
Date:   Mon, 31 May 2021 20:20:32 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Anup Patel <anup.patel@....com>,
        Palmer Dabbelt <palmerdabbelt@...gle.com>,
        Arnd Bergmann <arnd@...db.de>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Guo Ren <guoren@...ux.alibaba.com>
Subject: Re: [PATCH V5 2/3] riscv: Add ASID-based tlbflushing methods

On Mon, May 31, 2021 at 2:17 PM Christoph Hellwig <hch@....de> wrote:
>
> On Sun, May 30, 2021 at 04:49:25PM +0000, guoren@...nel.org wrote:
> > From: Guo Ren <guoren@...ux.alibaba.com>
> >
> > Implement optimized version of the tlb flushing routines for systems
> > using ASIDs. These are behind the use_asid_allocator static branch to
> > not affect existing systems not using ASIDs.
>
> I still think the code duplication and exposing of new code in a global
> header here is a bad idea and would suggest the version I sent instead.
Your idea is in the third patch, and I also add you with
Co-developed-by. Please have a look:

https://lore.kernel.org/linux-riscv/1622393366-46079-4-git-send-email-guoren@kernel.org/T/#u

[PATCH V5 3/3] riscv: tlbflush: Optimize coding convention


--
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/