linux-kernel - Re: [PATCH 03/15] nouveau: pass struct nouveau_svmm to nouveau_range

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Message-ID: <20190806180248.GO11627@ziepe.ca>
Date:   Tue, 6 Aug 2019 15:02:48 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Christoph Hellwig <hch@....de>
Cc:     Jérôme Glisse <jglisse@...hat.com>,
        Ben Skeggs <bskeggs@...hat.com>,
        Felix Kuehling <Felix.Kuehling@....com>,
        Ralph Campbell <rcampbell@...dia.com>, linux-mm@...ck.org,
        nouveau@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        amd-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/15] nouveau: pass struct nouveau_svmm to
 nouveau_range_fault

On Tue, Aug 06, 2019 at 07:05:41PM +0300, Christoph Hellwig wrote:
> We'll need the nouveau_svmm structure to improve the function soon.
> For now this allows using the svmm->mm reference to unlock the
> mmap_sem, and thus the same dereference chain that the caller uses
> to lock and unlock it.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
>  drivers/gpu/drm/nouveau/nouveau_svm.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@...lanox.com>

Jason