linux-kernel - Re: [PATCH v2 2/6] RISC-V: Add a syscall for HW probing

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Message-ID: <20230215080410.65zbhimqbs2kbmod@orel>
Date:   Wed, 15 Feb 2023 09:04:10 +0100
From:   Andrew Jones <ajones@...tanamicro.com>
To:     Conor Dooley <conor@...nel.org>
Cc:     Evan Green <evan@...osinc.com>,
        Palmer Dabbelt <palmer@...osinc.com>, vineetg@...osinc.com,
        heiko@...ech.de, slewis@...osinc.com,
        Albert Ou <aou@...s.berkeley.edu>,
        Andrew Bresticker <abrestic@...osinc.com>,
        Anup Patel <apatel@...tanamicro.com>,
        Arnd Bergmann <arnd@...db.de>,
        Atish Patra <atishp@...osinc.com>,
        Bagas Sanjaya <bagasdotme@...il.com>,
        Celeste Liu <coelacanthus@...look.com>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Dao Lu <daolu@...osinc.com>, Guo Ren <guoren@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Ruizhe Pan <c141028@...il.com>,
        Sunil V L <sunilvl@...tanamicro.com>,
        Tobias Klauser <tklauser@...tanz.ch>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v2 2/6] RISC-V: Add a syscall for HW probing

On Tue, Feb 14, 2023 at 11:51:17PM +0000, Conor Dooley wrote:
> Hey Evan,
> 
> Just as a preface, I'm reviewing this lot from a position of ignorance
> on what glibc wants so I'll refrain from commenting on call itself.
> I figure that since the commentary has kinda died on the sysfs front &
> Palmer seems to be still into the syscall stuff, that we're pushing on
> with this approach...

If I can find time (that's a big if, atm) I'd be willing to do a sysfs
prototype just for comparison/benchmarking purposes, even if the chances
it gets merged are low. But, time...

Thanks,
drew