[igt-dev] [PATCH i-g-t] lib/i915: Fix pointer cast build issue

[igt-dev] [PATCH i-g-t] lib/i915: Fix pointer cast build issue

[Tvrtko Ursulin]

From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Use from_user_pointer when casting __u64 to a pointer.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Andi Shyti <andi.shyti@intel.com>
---
 lib/i915/gem_engine_topology.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/i915/gem_engine_topology.c b/lib/i915/gem_engine_topology.c
index dd26fae00853..7ca3616687b9 100644
--- a/lib/i915/gem_engine_topology.c
+++ b/lib/i915/gem_engine_topology.c
@@ -81,7 +81,7 @@ static void ctx_map_engines(int fd, struct intel_engine_data *ed,
 			    struct drm_i915_gem_context_param *param)
 {
 	struct i915_context_param_engines *engines =
-			(struct i915_context_param_engines *) param->value;
+			from_user_pointer(param->value);
 	int i = 0;
 
 	for (typeof(engines->engines[0]) *p =
-- 
2.20.1

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Re: [igt-dev] [PATCH i-g-t] lib/i915: Fix pointer cast build issue

[Chris Wilson]

Quoting Tvrtko Ursulin (2019-05-22 16:04:13)
> From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> 
> Use from_user_pointer when casting __u64 to a pointer.
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> Cc: Andi Shyti <andi.shyti@intel.com>
> ---
>  lib/i915/gem_engine_topology.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/lib/i915/gem_engine_topology.c b/lib/i915/gem_engine_topology.c
> index dd26fae00853..7ca3616687b9 100644
> --- a/lib/i915/gem_engine_topology.c
> +++ b/lib/i915/gem_engine_topology.c
> @@ -81,7 +81,7 @@ static void ctx_map_engines(int fd, struct intel_engine_data *ed,
>                             struct drm_i915_gem_context_param *param)
>  {
>         struct i915_context_param_engines *engines =
> -                       (struct i915_context_param_engines *) param->value;
> +                       from_user_pointer(param->value);

Only a single tab indent required.

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>

>         int i = 0;
>  
>         for (typeof(engines->engines[0]) *p =

And struct i915_engine_class_instance was added to make this for() loop
nicer.
-Chris
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[igt-dev] ✓ Fi.CI.BAT: success for lib/i915: Fix pointer cast build issue

[Patchwork]

== Series Details ==

Series: lib/i915: Fix pointer cast build issue
URL   : https://patchwork.freedesktop.org/series/60984/
State : success

== Summary ==

CI Bug Log - changes from IGT_5004 -> IGTPW_3029
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/60984/revisions/1/mbox/

Known issues
------------

  Here are the changes found in IGTPW_3029 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@i915_selftest@live_contexts:
    - fi-snb-2600:        [PASS][1] -> [INCOMPLETE][2] ([fdo#105411])
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/fi-snb-2600/igt@i915_selftest@live_contexts.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/fi-snb-2600/igt@i915_selftest@live_contexts.html

  * igt@kms_flip@basic-flip-vs-wf_vblank:
    - fi-bwr-2160:        [PASS][3] -> [FAIL][4] ([fdo#100368])
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/fi-bwr-2160/igt@kms_flip@basic-flip-vs-wf_vblank.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/fi-bwr-2160/igt@kms_flip@basic-flip-vs-wf_vblank.html

  
#### Possible fixes ####

  * igt@core_auth@basic-auth:
    - {fi-icl-u3}:        [DMESG-WARN][5] ([fdo#107724]) -> [PASS][6]
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/fi-icl-u3/igt@core_auth@basic-auth.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/fi-icl-u3/igt@core_auth@basic-auth.html

  * igt@gem_exec_suspend@basic-s3:
    - fi-blb-e6850:       [INCOMPLETE][7] ([fdo#107718]) -> [PASS][8]
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/fi-blb-e6850/igt@gem_exec_suspend@basic-s3.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/fi-blb-e6850/igt@gem_exec_suspend@basic-s3.html

  * igt@i915_selftest@live_contexts:
    - fi-bdw-gvtdvm:      [DMESG-FAIL][9] ([fdo#110235]) -> [PASS][10]
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/fi-bdw-gvtdvm/igt@i915_selftest@live_contexts.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/fi-bdw-gvtdvm/igt@i915_selftest@live_contexts.html
    - fi-skl-gvtdvm:      [DMESG-FAIL][11] ([fdo#110235]) -> [PASS][12]
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/fi-skl-gvtdvm/igt@i915_selftest@live_contexts.html
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/fi-skl-gvtdvm/igt@i915_selftest@live_contexts.html

  * igt@kms_frontbuffer_tracking@basic:
    - fi-hsw-peppy:       [DMESG-WARN][13] ([fdo#102614]) -> [PASS][14]
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/fi-hsw-peppy/igt@kms_frontbuffer_tracking@basic.html
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/fi-hsw-peppy/igt@kms_frontbuffer_tracking@basic.html

  
#### Warnings ####

  * igt@i915_selftest@live_hangcheck:
    - fi-apl-guc:         [DMESG-FAIL][15] ([fdo#110620]) -> [FAIL][16] ([fdo#110623])
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/fi-apl-guc/igt@i915_selftest@live_hangcheck.html
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/fi-apl-guc/igt@i915_selftest@live_hangcheck.html

  
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  [fdo#100368]: https://bugs.freedesktop.org/show_bug.cgi?id=100368
  [fdo#102614]: https://bugs.freedesktop.org/show_bug.cgi?id=102614
  [fdo#105411]: https://bugs.freedesktop.org/show_bug.cgi?id=105411
  [fdo#107718]: https://bugs.freedesktop.org/show_bug.cgi?id=107718
  [fdo#107724]: https://bugs.freedesktop.org/show_bug.cgi?id=107724
  [fdo#110235]: https://bugs.freedesktop.org/show_bug.cgi?id=110235
  [fdo#110620]: https://bugs.freedesktop.org/show_bug.cgi?id=110620
  [fdo#110623]: https://bugs.freedesktop.org/show_bug.cgi?id=110623


Participating hosts (53 -> 44)
------------------------------

  Missing    (9): fi-kbl-soraka fi-ilk-m540 fi-hsw-4200u fi-skl-6770hq fi-byt-squawks fi-bsw-cyan fi-byt-clapper fi-icl-dsi fi-bdw-samus 


Build changes
-------------

  * IGT: IGT_5004 -> IGTPW_3029

  CI_DRM_6121: 0a029524f22ca287ec7e515edc1258e7f806750c @ git://anongit.freedesktop.org/gfx-ci/linux
  IGTPW_3029: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/
  IGT_5004: 016830b24f668cc32f7a902923c54355264c1647 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/
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Re: [igt-dev] [PATCH i-g-t] lib/i915: Fix pointer cast build issue

[Andi Shyti]

Hi Tvrtko,

On Wed, May 22, 2019 at 04:04:13PM +0100, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> 
> Use from_user_pointer when casting __u64 to a pointer.
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> Cc: Andi Shyti <andi.shyti@intel.com>

Reviewed-by: Andi Shyti <andi.shyti@intel.com>

Thanks,
Andi
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[igt-dev] ✗ Fi.CI.IGT: failure for lib/i915: Fix pointer cast build issue

[Patchwork]

== Series Details ==

Series: lib/i915: Fix pointer cast build issue
URL   : https://patchwork.freedesktop.org/series/60984/
State : failure

== Summary ==

CI Bug Log - changes from IGT_5004_full -> IGTPW_3029_full
====================================================

Summary
-------

  **FAILURE**

  Serious unknown changes coming with IGTPW_3029_full absolutely need to be
  verified manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in IGTPW_3029_full, please notify your bug team to allow them
  to document this new failure mode, which will reduce false positives in CI.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/60984/revisions/1/mbox/

Possible new issues
-------------------

  Here are the unknown changes that may have been introduced in IGTPW_3029_full:

### IGT changes ###

#### Possible regressions ####

  * igt@gem_ctx_isolation@vcs0-nonpriv:
    - shard-apl:          NOTRUN -> [WARN][1]
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/shard-apl1/igt@gem_ctx_isolation@vcs0-nonpriv.html

  
#### Warnings ####

  * igt@gem_ctx_isolation@bcs0-s3:
    - shard-apl:          [DMESG-WARN][2] ([fdo#108566]) -> [WARN][3]
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/shard-apl4/igt@gem_ctx_isolation@bcs0-s3.html
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/shard-apl7/igt@gem_ctx_isolation@bcs0-s3.html

  
Known issues
------------

  Here are the changes found in IGTPW_3029_full that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_tiled_swapping@non-threaded:
    - shard-apl:          [PASS][4] -> [FAIL][5] ([fdo#108686])
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/shard-apl2/igt@gem_tiled_swapping@non-threaded.html
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/shard-apl4/igt@gem_tiled_swapping@non-threaded.html

  * igt@i915_pm_rc6_residency@rc6-accuracy:
    - shard-kbl:          [PASS][6] -> [SKIP][7] ([fdo#109271])
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/shard-kbl4/igt@i915_pm_rc6_residency@rc6-accuracy.html
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/shard-kbl3/igt@i915_pm_rc6_residency@rc6-accuracy.html

  * igt@kms_frontbuffer_tracking@fbc-2p-scndscrn-spr-indfb-fullscreen:
    - shard-glk:          [PASS][8] -> [FAIL][9] ([fdo#103167])
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/shard-glk6/igt@kms_frontbuffer_tracking@fbc-2p-scndscrn-spr-indfb-fullscreen.html
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/shard-glk4/igt@kms_frontbuffer_tracking@fbc-2p-scndscrn-spr-indfb-fullscreen.html

  * igt@kms_rotation_crc@multiplane-rotation-cropping-top:
    - shard-glk:          [PASS][10] -> [INCOMPLETE][11] ([fdo#103359] / [k.org#198133])
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/shard-glk3/igt@kms_rotation_crc@multiplane-rotation-cropping-top.html
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/shard-glk1/igt@kms_rotation_crc@multiplane-rotation-cropping-top.html

  * igt@kms_setmode@basic:
    - shard-apl:          [PASS][12] -> [FAIL][13] ([fdo#99912])
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/shard-apl5/igt@kms_setmode@basic.html
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/shard-apl8/igt@kms_setmode@basic.html

  * igt@kms_vblank@pipe-c-ts-continuation-suspend:
    - shard-apl:          [PASS][14] -> [DMESG-WARN][15] ([fdo#108566]) +5 similar issues
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/shard-apl2/igt@kms_vblank@pipe-c-ts-continuation-suspend.html
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/shard-apl3/igt@kms_vblank@pipe-c-ts-continuation-suspend.html

  
#### Possible fixes ####

  * igt@i915_suspend@sysfs-reader:
    - shard-apl:          [DMESG-WARN][16] ([fdo#108566]) -> [PASS][17] +5 similar issues
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/shard-apl7/igt@i915_suspend@sysfs-reader.html
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/shard-apl5/igt@i915_suspend@sysfs-reader.html

  * igt@kms_flip@flip-vs-suspend:
    - shard-hsw:          [INCOMPLETE][18] ([fdo#103540]) -> [PASS][19] +1 similar issue
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/shard-hsw6/igt@kms_flip@flip-vs-suspend.html
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/shard-hsw1/igt@kms_flip@flip-vs-suspend.html

  
#### Warnings ####

  * igt@gem_ctx_isolation@vecs0-s3:
    - shard-apl:          [WARN][20] -> [DMESG-WARN][21] ([fdo#108566])
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/shard-apl6/igt@gem_ctx_isolation@vecs0-s3.html
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/shard-apl4/igt@gem_ctx_isolation@vecs0-s3.html

  * igt@gem_tiled_swapping@non-threaded:
    - shard-glk:          [INCOMPLETE][22] ([fdo#103359] / [k.org#198133]) -> [DMESG-WARN][23] ([fdo#108686])
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/shard-glk9/igt@gem_tiled_swapping@non-threaded.html
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/shard-glk1/igt@gem_tiled_swapping@non-threaded.html
    - shard-hsw:          [INCOMPLETE][24] ([fdo#103540]) -> [FAIL][25] ([fdo#108686])
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5004/shard-hsw2/igt@gem_tiled_swapping@non-threaded.html
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/shard-hsw5/igt@gem_tiled_swapping@non-threaded.html

  
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  [fdo#103167]: https://bugs.freedesktop.org/show_bug.cgi?id=103167
  [fdo#103232]: https://bugs.freedesktop.org/show_bug.cgi?id=103232
  [fdo#103359]: https://bugs.freedesktop.org/show_bug.cgi?id=103359
  [fdo#103540]: https://bugs.freedesktop.org/show_bug.cgi?id=103540
  [fdo#103665]: https://bugs.freedesktop.org/show_bug.cgi?id=103665
  [fdo#108566]: https://bugs.freedesktop.org/show_bug.cgi?id=108566
  [fdo#108686]: https://bugs.freedesktop.org/show_bug.cgi?id=108686
  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#99912]: https://bugs.freedesktop.org/show_bug.cgi?id=99912
  [k.org#198133]: https://bugzilla.kernel.org/show_bug.cgi?id=198133


Participating hosts (7 -> 5)
------------------------------

  Missing    (2): shard-skl shard-iclb 


Build changes
-------------

  * IGT: IGT_5004 -> IGTPW_3029

  CI_DRM_6121: 0a029524f22ca287ec7e515edc1258e7f806750c @ git://anongit.freedesktop.org/gfx-ci/linux
  IGTPW_3029: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/
  IGT_5004: 016830b24f668cc32f7a902923c54355264c1647 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3029/
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