Can we remove the sysfs() system call?

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To: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Subject: Can we remove the sysfs() system call?
From: Christian Brauner <brauner@xxxxxxxxxx>
Date: Mon, 14 Apr 2025 15:34:53 +0200
Cc: Christian Brauner <brauner@xxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx

Hey Linus,

we've been carrying sysfs() around since forever and we marked the
sysfs() system call as deprecated in 2018 iiuc.

Should we try and get rid of this odd system call or at least flip the
config switch to default to N instead of Y?

(Another candidate that comes to mind is uselib().)

Christian

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