linux-kernel - Re: [PATCH v3] eventpoll: Fix priority inversion problem

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Message-ID: <984d89b10dca8e227b7b1a37e5a2fa2f8b260b9c.camel@xry111.site>
Date: Sat, 12 Jul 2025 16:54:15 +0800
From: Xi Ruoyao <xry111@...111.site>
To: linux-fsdevel@...r.kernel.org
Cc: Nam Cao <namcao@...utronix.de>, Christian Brauner <brauner@...nel.org>, 
 Frederic Weisbecker	 <frederic@...nel.org>, Valentin Schneider
 <vschneid@...hat.com>, Alexander Viro	 <viro@...iv.linux.org.uk>, Jan Kara
 <jack@...e.cz>, Sebastian Andrzej Siewior	 <bigeasy@...utronix.de>, John
 Ogness <john.ogness@...utronix.de>, Clark Williams <clrkwllms@...nel.org>,
 Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org, 
	linux-rt-devel@...ts.linux.dev, linux-rt-users@...r.kernel.org, Joe Damato	
 <jdamato@...tly.com>, Martin Karsten <mkarsten@...terloo.ca>, Jens Axboe	
 <axboe@...nel.dk>
Subject: Re: [PATCH v3] eventpoll: Fix priority inversion problem

On Sat, 2025-07-12 at 02:09 +0200, Nam Cao wrote:
> On Fri, Jul 11, 2025 at 08:09:12PM +0800, Xi Ruoyao wrote:
> > And I'm afraid this may be a bug in my userspace... Then I'd feel guilty
> > if this is reverted because of an invalid bug report from I :(.
> 
> FYI I just got a separate bug report. So something is definitely wrong with
> this patch.

FTR Linus has reverted this patch after encountering the same issue at
https://git.kernel.org/torvalds/c/5f02b80c21e1.

-- 
Xi Ruoyao <xry111@...111.site>