From: Imre Deak <imre.deak@intel.com>
To: Ben Widawsky <benjamin.widawsky@intel.com>
Cc: Intel GFX <intel-gfx@lists.freedesktop.org>,
Ben Widawsky <ben@bwidawsk.net>
Subject: Re: [PATCH 1/9] drm/i915/bdw: Free PPGTT struct
Date: Thu, 20 Feb 2014 11:31:38 +0200 [thread overview]
Message-ID: <1392888698.2527.1.camel@ideak-mobl> (raw)
In-Reply-To: <1392876349-24684-2-git-send-email-benjamin.widawsky@intel.com>
On Wed, 2014-02-19 at 22:05 -0800, Ben Widawsky wrote:
> GEN8 never freed the PPGTT struct. As GEN8 doesn't use full PPGTT, the
> leak is small and only found on a module reload. ie. I don't think this
> needs to go to stable.
>
> Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
> ---
> drivers/gpu/drm/i915/i915_gem_gtt.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
> index 69a88d4..e414d7e 100644
> --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
> +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
> @@ -328,6 +328,7 @@ static void gen8_ppgtt_free(struct i915_hw_ppgtt *ppgtt)
>
> __free_pages(ppgtt->gen8_pt_pages, get_order(ppgtt->num_pt_pages << PAGE_SHIFT));
> __free_pages(ppgtt->pd_pages, get_order(ppgtt->num_pd_pages << PAGE_SHIFT));
> + kfree(ppgtt);
On error we'd also free ppgtt in create_vm_for_ctx().
> }
>
> static void gen8_ppgtt_unmap_pages(struct i915_hw_ppgtt *ppgtt)
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next prev parent reply other threads:[~2014-02-20 9:31 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <to=1387921357-22942-1-git-send-email-benjamin.widawsky@intel.com>
2014-02-12 22:28 ` [PATCH 0/9] [REPOST] BDW 4G GGTT + PPGTT cleanups Ben Widawsky
2014-02-12 22:28 ` [PATCH 1/9] drm/i915/bdw: Split up PPGTT cleanup Ben Widawsky
2014-02-13 10:40 ` Chris Wilson
2014-02-12 22:28 ` [PATCH 2/9] drm/i915/bdw: Reorganize PPGTT init Ben Widawsky
2014-02-19 14:59 ` Imre Deak
2014-02-19 20:06 ` [PATCH] [v3] " Ben Widawsky
2014-02-19 21:00 ` Imre Deak
2014-02-19 21:18 ` Ben Widawsky
2014-02-12 22:28 ` [PATCH 3/9] drm/i915/bdw: Split ppgtt initialization up Ben Widawsky
2014-02-19 17:03 ` Imre Deak
2014-02-12 22:28 ` [PATCH 4/9] drm/i915: Make clear/insert vfuncs args absolute Ben Widawsky
2014-02-13 0:14 ` Chris Wilson
2014-02-13 0:34 ` Ben Widawsky
2014-02-19 17:26 ` Imre Deak
2014-02-12 22:28 ` [PATCH 5/9] drm/i915/bdw: Reorganize PT allocations Ben Widawsky
2014-02-12 23:45 ` Chris Wilson
2014-02-12 23:52 ` Ben Widawsky
2014-02-19 19:11 ` Imre Deak
2014-02-19 19:25 ` Imre Deak
2014-02-19 21:06 ` Ben Widawsky
2014-02-19 21:20 ` Imre Deak
2014-02-19 21:31 ` Ben Widawsky
2014-02-12 22:28 ` [PATCH 6/9] Revert "drm/i915/bdw: Limit GTT to 2GB" Ben Widawsky
2014-02-19 19:14 ` Imre Deak
2014-02-12 22:28 ` [PATCH 7/9] drm/i915: Update i915_gem_gtt.c copyright Ben Widawsky
2014-02-12 23:19 ` Damien Lespiau
2014-02-12 23:22 ` Ben Widawsky
2014-02-19 19:20 ` Imre Deak
2014-02-12 22:28 ` [PATCH 8/9] drm/i915: Split GEN6 PPGTT cleanup Ben Widawsky
2014-02-13 10:29 ` Chris Wilson
2014-02-12 22:28 ` [PATCH 9/9] drm/i915: Split GEN6 PPGTT initialization up Ben Widawsky
2014-02-13 10:33 ` Chris Wilson
2014-02-13 11:47 ` [PATCH 0/9] [REPOST] BDW 4G GGTT + PPGTT cleanups Ville Syrjälä
2014-02-19 17:17 ` Ben Widawsky
2014-02-20 6:05 ` [PATCH 0/9] [v2] " Ben Widawsky
2014-02-21 21:06 ` [PATCH 10/9] drm/i915/bdw: Kill ppgtt->num_pt_pages Ben Widawsky
2014-02-24 17:17 ` Imre Deak
2014-03-04 15:42 ` Daniel Vetter
2014-03-04 14:50 ` [PATCH 0/9] [v2] BDW 4G GGTT + PPGTT cleanups Daniel Vetter
2014-02-20 6:05 ` [PATCH 1/9] drm/i915/bdw: Free PPGTT struct Ben Widawsky
2014-02-20 9:31 ` Imre Deak [this message]
2014-02-20 19:47 ` [PATCH .5/9] drm/i915: Move ppgtt_release out of the header Ben Widawsky
2014-02-20 19:47 ` [PATCH 1/9] [v2] drm/i915/bdw: Free PPGTT struct Ben Widawsky
2014-02-24 16:43 ` Imre Deak
2014-02-24 16:18 ` [PATCH .5/9] drm/i915: Move ppgtt_release out of the header Imre Deak
2014-03-04 14:53 ` Daniel Vetter
2014-02-20 6:05 ` [PATCH 2/9] drm/i915/bdw: Reorganize PPGTT init Ben Widawsky
2014-02-20 6:05 ` [PATCH 3/9] drm/i915/bdw: Split ppgtt initialization up Ben Widawsky
2014-02-20 13:10 ` Imre Deak
2014-02-20 6:05 ` [PATCH 4/9] drm/i915: Make clear/insert vfuncs args absolute Ben Widawsky
2014-02-20 10:37 ` Imre Deak
2014-02-20 19:35 ` Ben Widawsky
2014-02-20 19:50 ` [PATCH 4/9] [v3] " Ben Widawsky
2014-02-24 16:52 ` Imre Deak
2014-02-20 6:05 ` [PATCH 5/9] drm/i915/bdw: Reorganize PT allocations Ben Widawsky
2014-02-20 11:28 ` Imre Deak
2014-02-20 19:51 ` [PATCH 5/9] [v5] " Ben Widawsky
2014-02-24 17:03 ` Imre Deak
2014-02-24 23:38 ` Ben Widawsky
2014-02-20 6:05 ` [PATCH 6/9] Revert "drm/i915/bdw: Limit GTT to 2GB" Ben Widawsky
2014-02-20 6:05 ` [PATCH 7/9] drm/i915: Update i915_gem_gtt.c copyright Ben Widawsky
2014-02-20 6:05 ` [PATCH 8/9] drm/i915: Split GEN6 PPGTT cleanup Ben Widawsky
2014-02-20 6:05 ` [PATCH 9/9] drm/i915: Split GEN6 PPGTT initialization up Ben Widawsky
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