From: Christian Brauner <brauner@kernel.org>
To: David Francis <David.Francis@amd.com>
Cc: linux-kernel@vger.kernel.org, Christian.Koenig@amd.com,
Alexander.Deucher@amd.com, linux-fsdevel@vger.kernel.org
Subject: Re: [RFC PATCH] fdinfo: Option for public fdinfo
Date: Mon, 23 Mar 2026 13:13:03 +0100 [thread overview]
Message-ID: <20260323-neugierig-meerschwein-31b6daaa1db9@brauner> (raw)
In-Reply-To: <20260316183828.3354343-1-David.Francis@amd.com>
On Mon, Mar 16, 2026 at 02:38:28PM -0400, David Francis wrote:
> We want some GPU information to be publicly available to all
> processes for basic system-wide profiling (think GPU versions
> of top).
>
> This information is available in fdinfo and not easily exposed
> by other interfaces.
>
> Add fd_op flag FOP_PUBLIC_FDINFO, which, if set, makes the fdinfo
> for that file available to read for processes without ptrace
> permissions.
>
> Note that this makes public how many files each process has open,
> and what their fds are.
>
> Signed-off-by: David Francis <David.Francis@amd.com>
> ---
Eew, please let's not. Add an ioctl if you need to be able to retrieve
that info.
next prev parent reply other threads:[~2026-03-23 12:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-16 18:38 [RFC PATCH] fdinfo: Option for public fdinfo David Francis
2026-03-23 12:13 ` Christian Brauner [this message]
2026-03-23 13:16 ` Christian König
2026-03-24 8:53 ` Christian Brauner
2026-03-24 9:30 ` Christian König
2026-03-26 14:42 ` Christian Brauner
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