linux-kernel - Re: [PATCH 0/3] drm/ttm: constify static vm_operations

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Date:   Wed, 10 Feb 2021 14:14:11 +0100
From:   Daniel Vetter <daniel@...ll.ch>
To:     Christian König <christian.koenig@....com>
Cc:     Rikard Falkeborn <rikard.falkeborn@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Alex Deucher <alexander.deucher@....com>,
        Ben Skeggs <bskeggs@...hat.com>,
        Felix Kuehling <Felix.Kuehling@....com>,
        Likun Gao <Likun.Gao@....com>, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        nouveau@...ts.freedesktop.org
Subject: Re: [PATCH 0/3] drm/ttm: constify static vm_operations_structs

On Wed, Feb 10, 2021 at 08:45:56AM +0100, Christian König wrote:
> Reviewed-by: Christian König <christian.koenig@....com> for the series.

Smash it into -misc?
-Daniel

> 
> Am 10.02.21 um 00:48 schrieb Rikard Falkeborn:
> > Constify a few static vm_operations_struct that are never modified. Their
> > only usage is to assign their address to the vm_ops field in the
> > vm_area_struct, which is a pointer to const vm_operations_struct. Make them
> > const to allow the compiler to put them in read-only memory.
> > 
> > With this series applied, all static struct vm_operations_struct in the
> > kernel tree are const.
> > 
> > Rikard Falkeborn (3):
> >    drm/amdgpu/ttm: constify static vm_operations_struct
> >    drm/radeon/ttm: constify static vm_operations_struct
> >    drm/nouveau/ttm: constify static vm_operations_struct
> > 
> >   drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +-
> >   drivers/gpu/drm/nouveau/nouveau_ttm.c   | 2 +-
> >   drivers/gpu/drm/radeon/radeon_ttm.c     | 2 +-
> >   3 files changed, 3 insertions(+), 3 deletions(-)
> > 
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch