linux-kernel - Re: [PATCH v4 00/33] Per-VMA locks

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Message-ID: <20230711110141.GN41919@unreal>
Date:   Tue, 11 Jul 2023 14:01:41 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Vlastimil Babka <vbabka@...e.cz>
Cc:     Suren Baghdasaryan <surenb@...gle.com>,
        Laurent Dufour <ldufour@...ux.ibm.com>,
        Sachin Sant <sachinp@...ux.ibm.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
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Subject: Re: [PATCH v4 00/33] Per-VMA locks

On Tue, Jul 11, 2023 at 12:39:34PM +0200, Vlastimil Babka wrote:
> On 7/11/23 12:35, Leon Romanovsky wrote:
> > 
> > On Mon, Feb 27, 2023 at 09:35:59AM -0800, Suren Baghdasaryan wrote:
> > 
> > <...>
> > 
> >> Laurent Dufour (1):
> >>   powerc/mm: try VMA lock-based page fault handling first
> > 
> > Hi,
> > 
> > This series and specifically the commit above broke docker over PPC.
> > It causes to docker service stuck while trying to activate. Revert of
> > this commit allows us to use docker again.
> 
> Hi,
> 
> there have been follow-up fixes, that are part of 6.4.3 stable (also
> 6.5-rc1) Does that version work for you?

I'll recheck it again on clean system, but for the record:
1. We are running 6.5-rc1 kernels.
2. PPC doesn't compile for us on -rc1 without this fix.
https://lore.kernel.org/all/20230629124500.1.I55e2f4e7903d686c4484cb23c033c6a9e1a9d4c4@changeid/
3. I didn't see anything relevant -rc1 with "git log arch/powerpc/mm/fault.c".

Do you have in mind anything specific to check?

Thanks