From: Daniel Vetter <daniel@ffwll.ch>
To: Xiong Zhang <xiong.y.zhang@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 2/2] drm/i915: Correct obj->mm_list link to dev_priv->dev_priv->mm.inactive_list
Date: Fri, 5 Jul 2013 15:41:21 +0200 [thread overview]
Message-ID: <20130705134121.GT18285@phenom.ffwll.local> (raw)
In-Reply-To: <1373021609-12309-1-git-send-email-xiong.y.zhang@intel.com>
On Fri, Jul 05, 2013 at 06:53:29PM +0800, Xiong Zhang wrote:
> obj->mm_list link to dev_priv->mm.inactive_list/active_list
> obj->global_list link to dev_priv->mm.unbound_list/bound_list
>
> Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.com>
Oh dear have I screwed this up.
This fixes a regression introduced in
commit 93927ca52a55c23e0a6a305e7e9082e8411ac9fa
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu Jan 10 18:03:00 2013 +0100
drm/i915: Revert shrinker changes from "Track unbound pages"
Cc: stable@vger.kernel.org
Now the big question is why none of our tests has caught this. Xiong, how
have you tracked down this issues? Do you perhaps have a testcase that can
readily reproduce this that we could add to intel-gpu-tools?
Thanks, Daniel
> ---
> drivers/gpu/drm/i915/i915_gem.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index 44d890b..b6a2402 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -4637,7 +4637,7 @@ i915_gem_inactive_shrink(struct shrinker *shrinker, struct shrink_control *sc)
> list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list)
> if (obj->pages_pin_count == 0)
> cnt += obj->base.size >> PAGE_SHIFT;
> - list_for_each_entry(obj, &dev_priv->mm.inactive_list, global_list)
> + list_for_each_entry(obj, &dev_priv->mm.inactive_list, mm_list)
> if (obj->pin_count == 0 && obj->pages_pin_count == 0)
> cnt += obj->base.size >> PAGE_SHIFT;
>
> --
> 1.7.9.5
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
next prev parent reply other threads:[~2013-07-05 13:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-05 10:53 [PATCH 2/2] drm/i915: Correct obj->mm_list link to dev_priv->dev_priv->mm.inactive_list Xiong Zhang
2013-07-05 13:41 ` Daniel Vetter [this message]
2013-07-05 15:21 ` Zhang, Xiong Y
2013-07-05 19:34 ` Daniel Vetter
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