linux-kernel - Re: [PATCH -next v20 20/26] riscv: Add prctl controls for userspace vector management

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Message-ID: <3656227.v5FYL8H6MN@basile.remlab.net>
Date:   Wed, 24 May 2023 19:16:03 +0300
From:   Rémi Denis-Courmont <remi@...lab.net>
To:     palmer@...belt.com, linux-riscv@...ts.infradead.org
Cc:     andy.chiu@...ive.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next v20 20/26] riscv: Add prctl controls for userspace vector
 management

Le keskiviikkona 24. toukokuuta 2023, 12.25.30 EEST Andy Chiu a écrit :
> How about adding the following 2 patches to deal with the problem.
> However, I am concerned if this makes ELF_HWCAP too complicated. e.g.
> Future extensions may as well want to do something here after we create
> an entry here.

Fine with me but I feel that we are missing the bigger picture here, as to 
what the usage pattern/guideline for the prctl() on userspace side should be?

Maybe it was already discussed, and I just missed it, but I couldn't find it in 
the documentation.

-- 
Rémi Denis-Courmont
http://www.remlab.net/