linux-kernel - Re: [PATCH] fs: debugfs: differentiate short fops with proxy ops

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Message-ID: <b29b6fbedded866663e0562fa8d48ae1c6182137.camel@sipsolutions.net>
Date: Fri, 10 Jan 2025 10:23:39 +0100
From: Johannes Berg <johannes@...solutions.net>
To: Ryan Roberts <ryan.roberts@....com>, linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "Rafael J. Wysocki"	
 <rafael@...nel.org>, Geert Uytterhoeven <geert@...ux-m68k.org>, Aishwarya
 TCV	 <Aishwarya.TCV@....com>, Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH] fs: debugfs: differentiate short fops with proxy ops

Hi,

> 
> I'm seeing a problem on arm64 where opening /sys/kernel/debug/gup_test has 
> started failing with EINVAL after this patch is applied. Additionally this 
> warning is triggering (see below).

You missed the window for a(nother) Reported-by: by a few hours ;-)

https://lore.kernel.org/lkml/20250110085826.cd74f3b7a36b.I430c79c82ec3f954c2ff9665753bf6ac9e63eef8@changeid/

johannes