From: Chris Wilson <chris@chris-wilson.co.uk>
To: ankitprasad.r.sharma@intel.com
Cc: intel-gfx@lists.freedesktop.org, akash.goel@intel.com,
shashidhar.hiremath@intel.com
Subject: Re: [PATCH 9/9] drm/i915: Fail the execbuff using stolen objects as batchbuffers
Date: Mon, 14 Dec 2015 09:44:52 +0000 [thread overview]
Message-ID: <20151214094452.GC24300@nuc-i3427.alporthouse.com> (raw)
In-Reply-To: <1450071971-30321-10-git-send-email-ankitprasad.r.sharma@intel.com>
On Mon, Dec 14, 2015 at 11:16:11AM +0530, ankitprasad.r.sharma@intel.com wrote:
> From: Ankitprasad Sharma <ankitprasad.r.sharma@intel.com>
>
> Using stolen backed objects as a batchbuffer may result into a kernel
> panic during relocation. Added a check to prevent the panic and fail
> the execbuffer call. It is not recommended to use stolen object as
> a batchbuffer.
Nope. Let's fix it properly.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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next prev parent reply other threads:[~2015-12-14 9:44 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-14 5:46 [PATCH v11 0/9] Support for creating/using Stolen memory backed objects ankitprasad.r.sharma
2015-12-14 5:46 ` [PATCH 1/9] drm/i915: Allow use of get_dma_address for stolen " ankitprasad.r.sharma
2015-12-17 10:20 ` Tvrtko Ursulin
2015-12-14 5:46 ` [PATCH 2/9] drm/i915: Use insert_page for pwrite_fast ankitprasad.r.sharma
2015-12-14 9:54 ` Chris Wilson
2015-12-14 10:48 ` Chris Wilson
2015-12-14 11:22 ` Chris Wilson
2015-12-17 10:45 ` Tvrtko Ursulin
2015-12-17 11:19 ` Chris Wilson
2015-12-14 5:46 ` [PATCH 3/9] drm/i915: Clearing buffer objects via CPU/GTT ankitprasad.r.sharma
2015-12-14 9:48 ` Chris Wilson
2015-12-17 10:27 ` Tvrtko Ursulin
2015-12-14 5:46 ` [PATCH 4/9] drm/i915: Support for creating Stolen memory backed objects ankitprasad.r.sharma
2015-12-14 10:05 ` Chris Wilson
2015-12-15 6:10 ` Ankitprasad Sharma
2015-12-14 5:46 ` [PATCH 5/9] drm/i915: Propagating correct error codes to the userspace ankitprasad.r.sharma
2015-12-14 10:10 ` Chris Wilson
2015-12-14 5:46 ` [PATCH 6/9] drm/i915: Add support for stealing purgable stolen pages ankitprasad.r.sharma
2015-12-14 10:13 ` Chris Wilson
2015-12-17 10:51 ` Tvrtko Ursulin
2015-12-14 5:46 ` [PATCH 7/9] drm/i915: Support for pread/pwrite from/to non shmem backed objects ankitprasad.r.sharma
2015-12-14 9:43 ` Chris Wilson
2015-12-14 5:46 ` [PATCH 8/9] drm/i915: Migrate stolen objects before hibernation ankitprasad.r.sharma
2015-12-14 10:31 ` Chris Wilson
2015-12-14 5:46 ` [PATCH 9/9] drm/i915: Fail the execbuff using stolen objects as batchbuffers ankitprasad.r.sharma
2015-12-14 9:44 ` Chris Wilson [this message]
2015-12-15 14:41 ` Dave Gordon
2015-12-15 14:54 ` Chris Wilson
2015-12-15 17:50 ` Dave Gordon
2015-12-16 12:35 ` Chris Wilson
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