linux-kernel - Re: [PATCH 01/13] amdgpu: remove -EAGAIN handling for hmm_range

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Date:   Tue, 30 Jul 2019 12:33:02 +0000
From:   Jason Gunthorpe <jgg@...lanox.com>
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" <linux-mm@...ck.org>,
        "nouveau@...ts.freedesktop.org" <nouveau@...ts.freedesktop.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "amd-gfx@...ts.freedesktop.org" <amd-gfx@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 01/13] amdgpu: remove -EAGAIN handling for hmm_range_fault

On Tue, Jul 30, 2019 at 08:51:51AM +0300, Christoph Hellwig wrote:
> hmm_range_fault can only return -EAGAIN if called with the block
> argument set to false, so remove the special handling for it.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
>  drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 23 +++--------------------
>  1 file changed, 3 insertions(+), 20 deletions(-)

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

Jason