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Date:   Wed, 30 Aug 2017 15:32:47 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Jérôme Glisse <jglisse@...hat.com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Cc:     Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Roger Pau Monné <roger.pau@...rix.com>,
        xen-devel@...ts.xenproject.org,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrea Arcangeli <aarcange@...hat.com>
Subject: Re: [PATCH 11/13] xen/gntdev: update to new mmu_notifier semantic

On 08/29/2017 07:54 PM, Jérôme Glisse wrote:
> Call to mmu_notifier_invalidate_page() are replaced by call to
> mmu_notifier_invalidate_range() and thus call are bracketed by
> call to mmu_notifier_invalidate_range_start()/end()
>
> Remove now useless invalidate_page callback.
>
> Signed-off-by: Jérôme Glisse <jglisse@...hat.com>
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> Cc: Roger Pau Monné <roger.pau@...rix.com>
> Cc: Boris Ostrovsky <boris.ostrovsky@...cle.com>
> Cc: xen-devel@...ts.xenproject.org
> Cc: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Linus Torvalds <torvalds@...ux-foundation.org>
> Cc: Andrea Arcangeli <aarcange@...hat.com>
> ---
>  drivers/xen/gntdev.c | 8 --------
>  1 file changed, 8 deletions(-)

Reviewed-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>

I also ran a bunch of tests (mostly bringing up/tearing down various Xen
guests). Haven't seen any issues.

-boris

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