linux-kernel - Re: [PATCH 0/5] mmu notifer debug annotations

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Message-ID: <20190905144946.GA22237@mellanox.com>
Date:   Thu, 5 Sep 2019 14:49:49 +0000
From:   Jason Gunthorpe <jgg@...lanox.com>
To:     Daniel Vetter <daniel.vetter@...ll.ch>
CC:     LKML <linux-kernel@...r.kernel.org>, Linux MM <linux-mm@...ck.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH 0/5] mmu notifer debug annotations

On Mon, Aug 26, 2019 at 10:14:20PM +0200, Daniel Vetter wrote:
> Hi all,
> 
> Next round. Changes:
> 
> - I kept the two lockdep annotations patches since when I rebased this
>   before retesting linux-next didn't yet have them. Otherwise unchanged
>   except for a trivial conflict.
> 
> - Ack from Peter Z. on the kernel.h patch.
> 
> - Added annotations for non_block to invalidate_range_end. I can't test
>   that readily since i915 doesn't use it.
> 
> - Added might_sleep annotations to also make sure the mm side keeps up
>   it's side of the contract here around what's allowed and what's not.
> 
> Comments, feedback, review as usual very much appreciated.
> 
> 
> Daniel Vetter (5):
>   kernel.h: Add non_block_start/end()
>   mm, notifier: Catch sleeping/blocking for !blockable

These two applied to hmm.git, with the small check patch edit, thanks!

Jason