Re: [PATCH 4/4] riscv: Enable perf counters user access only through perf

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>, Jiri Olsa <jolsa@xxxxxxxxxx>, Namhyung Kim <namhyung@xxxxxxxxxx>, Ian Rogers <irogers@xxxxxxxxxx>, Paul Walmsley <paul.walmsley@xxxxxxxxxx>, Palmer Dabbelt <palmer@xxxxxxxxxxx>, Albert Ou <aou@xxxxxxxxxxxxxxxxx>, Atish Patra <atishp@xxxxxxxxxxxxxx>, Anup Patel <anup@xxxxxxxxxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Rob Herring <robh@xxxxxxxxxx>, linux-doc@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-perf-users@xxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [PATCH 4/4] riscv: Enable perf counters user access only through perf
From: Bagas Sanjaya <bagasdotme@xxxxxxxxx>
Date: Mon, 1 May 2023 09:09:38 +0700
In-reply-to: <20230413161725.195417-5-alexghiti@rivosinc.com>
References: <20230413161725.195417-1-alexghiti@rivosinc.com> <20230413161725.195417-5-alexghiti@rivosinc.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0

On 4/13/23 23:17, Alexandre Ghiti wrote:
> +The default value is 2, it enables the legacy mode, that is user space has
> +direct access to cycle, time and insret CSRs only.
>  

"The default value is 2, which enables legacy mode (user space has direct
access to cycle, time, and insret CSRs only)."

-- 
An old man doll... just what I always wanted! - Clara

References:
- [PATCH 0/4] riscv: Allow userspace to directly access perf counters
  - From: Alexandre Ghiti
- [PATCH 4/4] riscv: Enable perf counters user access only through perf
  - From: Alexandre Ghiti

Prev by Date: Re: [PATCH] docs: redirect from old arch to the new one
Next by Date: [PATCH v2] docs: automatic redirects for moved pages
Previous by thread: Re: [PATCH 4/4] riscv: Enable perf counters user access only through perf
Next by thread: Re: [PATCH 0/4] riscv: Allow userspace to directly access perf counters
Index(es):
- Date
- Thread

[Index of Archives] [Kernel Newbies] [Security] [Netfilter] [Bugtraq] [Linux FS] [Yosemite Forum] [MIPS Linux] [ARM Linux] [Linux Security] [Linux RAID] [Samba] [Video 4 Linux] [Device Mapper] [Linux Resources]