linux-kernel - Re: [PATCH v2 1/3] RISC-V: Detect and Enable Svadu Extension Support

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Message-ID: <20230922-italics-pursuit-424b1ad71ef1@spud>
Date:   Fri, 22 Sep 2023 10:38:45 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Yong-Xuan Wang <yongxuan.wang@...ive.com>
Cc:     linux-riscv@...ts.infradead.org, kvm-riscv@...ts.infradead.org,
        greentime.hu@...ive.com, vincent.chen@...ive.com, tjytimi@....com,
        alex@...ti.fr, Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Anup Patel <apatel@...tanamicro.com>,
        Guo Ren <guoren@...nel.org>,
        Andrew Jones <ajones@...tanamicro.com>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Daniel Henrique Barboza <dbarboza@...tanamicro.com>,
        wchen <waylingii@...il.com>, Heiko Stuebner <heiko@...ech.de>,
        Jisheng Zhang <jszhang@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexandre Ghiti <alexghiti@...osinc.com>,
        Kemeng Shi <shikemeng@...weicloud.com>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Charlie Jenkins <charlie@...osinc.com>,
        Sergey Matyukevich <sergey.matyukevich@...tacore.com>,
        David Hildenbrand <david@...hat.com>,
        Qinglin Pan <panqinglin2020@...as.ac.cn>,
        Rick Edgecombe <rick.p.edgecombe@...el.com>,
        Sunil V L <sunilvl@...tanamicro.com>,
        Evan Green <evan@...osinc.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] RISC-V: Detect and Enable Svadu Extension Support

On Fri, Sep 22, 2023 at 08:56:47AM +0000, Yong-Xuan Wang wrote:
> We detect Svadu extension support from DTB and add arch_has_hw_pte_young()
> to enable optimization in MGLRU and __wp_page_copy_user() if Svadu
> extension is available.
> 
> Co-developed-by: Jinyu Tang <tjytimi@....com>
> Signed-off-by: Jinyu Tang <tjytimi@....com>
> Signed-off-by: Yong-Xuan Wang <yongxuan.wang@...ive.com>

Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>

Thanks,
Conor.

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