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

From: Greg Kroah-Hartman
Date: Fri Jan 10 2025 - 04:40:56 EST


On Fri, Jan 10, 2025 at 09:36:46AM +0000, Ryan Roberts wrote:
> On 10/01/2025 09:23, Johannes Berg wrote:
> > 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/
>
> Ahh no worries. FWIW:
>
> Tested-by: Ryan Roberts <ryan.roberts@xxxxxxx>

Sorry, it's already in my tree, but I'm glad to see it works :)