linux-kernel - Re: [PATCH] RISC-V: Provide the frequency of mtime via hwprobe

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Message-Id: <2BA519C8-D258-4D98-AD49-AC7D30D8B0D2@jrtc27.com>
Date: Tue, 18 Jun 2024 18:11:04 +0100
From: Jessica Clarke <jrtc27@...c27.com>
To: Yunhui Cui <cuiyunhui@...edance.com>
Cc: Jonathan Corbet <corbet@....net>,
 Paul Walmsley <paul.walmsley@...ive.com>,
 Palmer Dabbelt <palmer@...belt.com>,
 Albert Ou <aou@...s.berkeley.edu>,
 Clément Léger <cleger@...osinc.com>,
 Evan Green <evan@...osinc.com>,
 Conor Dooley <conor.dooley@...rochip.com>,
 costa.shul@...hat.com,
 Andy Chiu <andy.chiu@...ive.com>,
 samitolvanen@...gle.com,
 linux-doc@...r.kernel.org,
 linux-riscv <linux-riscv@...ts.infradead.org>,
 LKML <linux-kernel@...r.kernel.org>,
 Palmer Dabbelt <palmer@...osinc.com>
Subject: Re: [PATCH] RISC-V: Provide the frequency of mtime via hwprobe

On 18 Jun 2024, at 12:46, Yunhui Cui <cuiyunhui@...edance.com> wrote:
> 
> From: Palmer Dabbelt <palmer@...osinc.com>
> 
> A handful of user-visible behavior is based on the frequency of the
> machine-mode time.
> 
> Signed-off-by: Palmer Dabbelt <palmer@...osinc.com>
> Signed-off-by: Yunhui Cui <cuiyunhui@...edance.com>

I would suggest referring to the user-mode CSR instead, i.e. “time”
rather than “mtime” throughout in names and descriptions, since that’s
the thing that user-mode software is actually reading from.

Jess