linux-kernel - Re: [PATCH v2] getauxval.3: MIPS, AT_BASE

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Message-ID: <74dc42c8-d249-828e-7cc8-54e63d5e92a8@gmail.com>
Date:   Thu, 16 Apr 2020 13:14:04 +0200
From:   "Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
To:     YunQiang Su <syq@...ian.org>
Cc:     mtk.manpages@...il.com, linux-mips@...r.kernel.org,
        linux-man@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] getauxval.3: MIPS, AT_BASE_PLATFORM passes ISA level

On 3/22/20 10:55 AM, YunQiang Su wrote:
> Since Linux 5.7, on MIPS, we use AT_BASE_PLATFORM to pass ISA level.
> The values may be:
>   mips2, mips3, mips4, mips5,
>   mips32, mips32r2, mips32r6,
>   mips64, mips64r2, mips64r6.
> 
> This behavior is different with PowerPC.
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=e585b768da111f2c2d413de6214e83bbdfee8f22
> Signed-off-by: YunQiang Su <syq@...ian.org>

Hello YunQiang Su,

Thank you. I've applied your patch.

Cheers,

Michael

> 
> ----
> v1 -> v2: fix typo
> ---
>  man3/getauxval.3 | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/man3/getauxval.3 b/man3/getauxval.3
> index 456371c6a..bcc116dd2 100644
> --- a/man3/getauxval.3
> +++ b/man3/getauxval.3
> @@ -60,9 +60,10 @@ values are present on all architectures.
>  The base address of the program interpreter (usually, the dynamic linker).
>  .TP
>  .BR AT_BASE_PLATFORM
> -A pointer to a string identifying the real platform; may differ from
> -.BR AT_PLATFORM
> -(PowerPC only).
> +A pointer to a string (PowerPC and MIPS only).
> +On PowerPC, this identifies the real platform; may differ from
> +.BR AT_PLATFORM "."
> +On MIPS, this identifies the ISA level (Since 5.7).
>  .TP
>  .BR AT_CLKTCK
>  The frequency with which
> 


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/