linux-kernel - Re: [PATCH 7/7] drm/rockchip: Cocci spatch "vma_pages"

Open Source and information security mailing list archives

Date:   Tue, 26 Sep 2017 07:12:41 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     Mark yao <mark.yao@...k-chips.com>
Cc:     Thomas Meyer <thomas@...3r.de>, airlied@...ux.ie, heiko@...ech.de,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/7] drm/rockchip: Cocci spatch "vma_pages"

On Thu, Sep 21, 2017 at 09:02:22AM +0800, Mark yao wrote:
> On 2017年09月21日 06:29, Thomas Meyer wrote:
> > Use vma_pages function on vma object instead of explicit computation.
> > Found by coccinelle spatch "api/vma_pages.cocci"
> > 
> > Signed-off-by: Thomas Meyer <thomas@...3r.de>
> > ---
> Looks good for me:
> Acked-by: Mark Yao <mark.yao@...k-chips.com>

Once more a maintainer who acks a patch and doesn't push it. This is
really confusing, who exactly do you expect to handle this patch for you?

Please push to drm-misc-next (also for future patches), thanks.
-Daniel

> 
> > 
> > diff -u -p a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
> > --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
> > +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
> > @@ -220,7 +220,7 @@ static int rockchip_drm_gem_object_mmap_
> >   {
> >   	struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj);
> >   	unsigned int i, count = obj->size >> PAGE_SHIFT;
> > -	unsigned long user_count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
> > +	unsigned long user_count = vma_pages(vma);
> >   	unsigned long uaddr = vma->vm_start;
> >   	unsigned long offset = vma->vm_pgoff;
> >   	unsigned long end = user_count + offset;
> > 
> > _______________________________________________
> > Linux-rockchip mailing list
> > Linux-rockchip@...ts.infradead.org
> > http://lists.infradead.org/mailman/listinfo/linux-rockchip
> > 
> > 
> > 
> 
> -- 
> Ｍark Yao
> 
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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

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