linux-kernel - Re: [RFC][PATCH v2 00/31] timers: Use del_timer

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Message-ID: <20221027151650.77d7e4de@gandalf.local.home>
Date:   Thu, 27 Oct 2022 15:16:50 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Guenter Roeck <linux@...ck-us.net>, linux-kernel@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Stephen Boyd <sboyd@...nel.org>
Subject: Re: [RFC][PATCH v2 00/31] timers: Use del_timer_shutdown() before
 freeing timers

On Thu, 27 Oct 2022 12:11:43 -0700
Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> On Thu, Oct 27, 2022 at 12:02 PM Steven Rostedt <rostedt@...dmis.org> wrote:
> >
> > So it works on current stable and current mainline? Does that mean we need
> > to worry about this?  
> 
> No, I think Guenter is saying that current mainline *without* the
> patches works fine.
> 
> But v6.1-rc2 (which is quite close to that current mainline) *with*
> the patches blows up.
> 
> So it's almost certainly the patches that break. There are no
> appreciable timer changes in those 105 commits (there's some added
> irq_work_sync but that looks very unlikely to be related.
> 

Got it. I'll need to setup an arm64 VM to see if I can reproduce it.

-- Steve