: kbu...@01.org
Cc: Julia Lawall
Subject: [PATCH] drm: fix call_kern.cocci warnings
CC: kbuild-...@01.org
CC: intel-...@lists.freedesktop.org
CC: dri-devel@lists.freedesktop.org
TO: Chunming Zhou
CC: "Christian König"
CC: Gustavo Padovan
CC: Maarten Lankhorst
CC: Sean Paul
CC: D
Am 25.10.18 um 11:35 schrieb Daniel Vetter:
On Thu, Oct 25, 2018 at 04:36:34PM +0800, Chunming Zhou wrote:
drivers/gpu/drm/drm_syncobj.c:202:4-14: ERROR: function
drm_syncobj_find_signal_pt_for_point called on line 390 inside lock on line 389
but uses GFP_KERNEL
Find functions that refer t
Op 25-10-18 om 14:01 schreef Chunming Zhou:
>
> 在 2018/10/25 18:36, Maarten Lankhorst 写道:
>> Op 25-10-18 om 12:21 schreef Chunming Zhou:
>>> drivers/gpu/drm/drm_syncobj.c:202:4-14: ERROR: function
>>> drm_syncobj_find_signal_pt_for_point called on line 390 inside lock on line
>>> 389 but uses GFP
Give this a nice summary,
drm/syncobj: Avoid kmalloc(GFP_KERNEL) under spinlock
Quoting Chunming Zhou (2018-10-25 11:21:05)
> drivers/gpu/drm/drm_syncobj.c:202:4-14: ERROR: function
> drm_syncobj_find_signal_pt_for_point called on line 390 inside lock on line
> 389 but uses GFP_KERNEL
>
> Fi
在 2018/10/25 18:36, Maarten Lankhorst 写道:
> Op 25-10-18 om 12:21 schreef Chunming Zhou:
>> drivers/gpu/drm/drm_syncobj.c:202:4-14: ERROR: function
>> drm_syncobj_find_signal_pt_for_point called on line 390 inside lock on line
>> 389 but uses GFP_KERNEL
>>
>>Find functions that refer to GFP_
Am 25.10.18 um 12:36 schrieb Maarten Lankhorst:
> Op 25-10-18 om 12:21 schreef Chunming Zhou:
>> drivers/gpu/drm/drm_syncobj.c:202:4-14: ERROR: function
>> drm_syncobj_find_signal_pt_for_point called on line 390 inside lock on line
>> 389 but uses GFP_KERNEL
>>
>>Find functions that refer to
Op 25-10-18 om 12:21 schreef Chunming Zhou:
> drivers/gpu/drm/drm_syncobj.c:202:4-14: ERROR: function
> drm_syncobj_find_signal_pt_for_point called on line 390 inside lock on line
> 389 but uses GFP_KERNEL
>
> Find functions that refer to GFP_KERNEL but are called with locks held.
>
> Generated
drivers/gpu/drm/drm_syncobj.c:202:4-14: ERROR: function
drm_syncobj_find_signal_pt_for_point called on line 390 inside lock on line 389
but uses GFP_KERNEL
Find functions that refer to GFP_KERNEL but are called with locks held.
Generated by: scripts/coccinelle/locks/call_kern.cocci
v2:
synco
On 2018年10月25日 17:38, Christian König wrote:
Am 25.10.18 um 11:35 schrieb Daniel Vetter:
On Thu, Oct 25, 2018 at 04:36:34PM +0800, Chunming Zhou wrote:
drivers/gpu/drm/drm_syncobj.c:202:4-14: ERROR: function
drm_syncobj_find_signal_pt_for_point called on line 390 inside lock
on line 389 but
On 2018年10月25日 17:30, Koenig, Christian wrote:
Am 25.10.18 um 11:28 schrieb zhoucm1:
On 2018年10月25日 17:23, Koenig, Christian wrote:
Am 25.10.18 um 11:20 schrieb zhoucm1:
On 2018年10月25日 17:11, Koenig, Christian wrote:
Am 25.10.18 um 11:03 schrieb zhoucm1:
On 2018年10月25日 16:56, Chri
On Thu, Oct 25, 2018 at 04:36:34PM +0800, Chunming Zhou wrote:
> drivers/gpu/drm/drm_syncobj.c:202:4-14: ERROR: function
> drm_syncobj_find_signal_pt_for_point called on line 390 inside lock on line
> 389 but uses GFP_KERNEL
>
> Find functions that refer to GFP_KERNEL but are called with locks
Am 25.10.18 um 11:28 schrieb zhoucm1:
On 2018年10月25日 17:23, Koenig, Christian wrote:
Am 25.10.18 um 11:20 schrieb zhoucm1:
On 2018年10月25日 17:11, Koenig, Christian wrote:
Am 25.10.18 um 11:03 schrieb zhoucm1:
On 2018年10月25日 16:56, Christian König wrote:
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -
On 2018年10月25日 17:23, Koenig, Christian wrote:
Am 25.10.18 um 11:20 schrieb zhoucm1:
On 2018年10月25日 17:11, Koenig, Christian wrote:
Am 25.10.18 um 11:03 schrieb zhoucm1:
On 2018年10月25日 16:56, Christian König wrote:
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -111,15 +111,16 @@ static struc
Am 25.10.18 um 11:20 schrieb zhoucm1:
On 2018年10月25日 17:11, Koenig, Christian wrote:
Am 25.10.18 um 11:03 schrieb zhoucm1:
On 2018年10月25日 16:56, Christian König wrote:
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -111,15 +111,16 @@ static struct dma_fence
uint64_t point)
{
On 2018年10月25日 17:11, Koenig, Christian wrote:
Am 25.10.18 um 11:03 schrieb zhoucm1:
On 2018年10月25日 16:56, Christian König wrote:
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -111,15 +111,16 @@ static struct dma_fence
uint64_t point)
{
struct drm_syncobj_signal_pt
Op 25-10-18 om 10:53 schreef Chunming Zhou:
> drivers/gpu/drm/drm_syncobj.c:202:4-14: ERROR: function
> drm_syncobj_find_signal_pt_for_point called on line 390 inside lock on line
> 389 but uses GFP_KERNEL
>
> Find functions that refer to GFP_KERNEL but are called with locks held.
>
> Semantic
Am 25.10.18 um 11:03 schrieb zhoucm1:
On 2018年10月25日 16:56, Christian König wrote:
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -111,15 +111,16 @@ static struct dma_fence
uint64_t point)
{
struct drm_syncobj_signal_pt *signal_pt;
+struct dma_fence *f = NULL;
+str
On 2018年10月25日 16:56, Christian König wrote:
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -111,15 +111,16 @@ static struct dma_fence
uint64_t point)
{
struct drm_syncobj_signal_pt *signal_pt;
+ struct dma_fence *f = NULL;
+ struct drm_syncobj_stub_fence *fence =
Am 25.10.18 um 10:53 schrieb Chunming Zhou:
drivers/gpu/drm/drm_syncobj.c:202:4-14: ERROR: function
drm_syncobj_find_signal_pt_for_point called on line 390 inside lock on line 389
but uses GFP_KERNEL
Find functions that refer to GFP_KERNEL but are called with locks held.
Semantic patch inf
pls ignore this one, please review v2.
On 2018年10月25日 16:36, Chunming Zhou wrote:
drivers/gpu/drm/drm_syncobj.c:202:4-14: ERROR: function
drm_syncobj_find_signal_pt_for_point called on line 390 inside lock on line 389
but uses GFP_KERNEL
Find functions that refer to GFP_KERNEL but are ca
drivers/gpu/drm/drm_syncobj.c:202:4-14: ERROR: function
drm_syncobj_find_signal_pt_for_point called on line 390 inside lock on line 389
but uses GFP_KERNEL
Find functions that refer to GFP_KERNEL but are called with locks held.
Semantic patch information:
The proposed change of converting t
drivers/gpu/drm/drm_syncobj.c:202:4-14: ERROR: function
drm_syncobj_find_signal_pt_for_point called on line 390 inside lock on line 389
but uses GFP_KERNEL
Find functions that refer to GFP_KERNEL but are called with locks held.
Semantic patch information:
The proposed change of converting t
will send a fix soon.
Thanks,
David
On 2018年10月25日 15:57, Koenig, Christian wrote:
Am 25.10.18 um 09:51 schrieb Maarten Lankhorst:
Op 25-10-18 om 08:53 schreef Christian König:
Am 25.10.18 um 03:28 schrieb Zhou, David(ChunMing):
Reviewed-by: Chunming Zhou
NAK, GFP_ATOMIC should be avoid
Am 25.10.18 um 09:51 schrieb Maarten Lankhorst:
> Op 25-10-18 om 08:53 schreef Christian König:
>> Am 25.10.18 um 03:28 schrieb Zhou, David(ChunMing):
>>> Reviewed-by: Chunming Zhou
>> NAK, GFP_ATOMIC should be avoided.
>>
>> The correct solution is to move the allocation out of the spinlock or dr
Op 25-10-18 om 08:53 schreef Christian König:
> Am 25.10.18 um 03:28 schrieb Zhou, David(ChunMing):
>> Reviewed-by: Chunming Zhou
>
> NAK, GFP_ATOMIC should be avoided.
>
> The correct solution is to move the allocation out of the spinlock or drop
> the lock and reacquire.
Yeah +1. Especially in
kbu...@01.org
> Cc: Julia Lawall
> Subject: [PATCH] drm: fix call_kern.cocci warnings
>
> CC: kbuild-...@01.org
> CC: intel-...@lists.freedesktop.org
> CC: dri-devel@lists.freedesktop.org
> TO: Chunming Zhou
> CC: "Christian König"
> CC: Gustavo Padovan
> CC:
: [PATCH] drm: fix call_kern.cocci warnings (fwd)
The containing function is called with a spin_lock held, so GFP_KERNEL can't
be used.
julia
-- Forwarded message --
Date: Tue, 23 Oct 2018 17:14:25 +0800
From: kbuild test robot
To: kbu...@01.org
Cc: Julia Lawall
Subject: [
o Padovan
> ; Maarten Lankhorst
> ; Sean Paul ; David
> Airlie ; dri-devel@lists.freedesktop.org; linux-
> ker...@vger.kernel.org
> Subject: [PATCH] drm: fix call_kern.cocci warnings (fwd)
>
> The containing function is called with a spin_lock held, so GFP_KERNEL can't
> be
The containing function is called with a spin_lock held, so GFP_KERNEL
can't be used.
julia
-- Forwarded message --
Date: Tue, 23 Oct 2018 17:14:25 +0800
From: kbuild test robot
To: kbu...@01.org
Cc: Julia Lawall
Subject: [PATCH] drm: fix call_kern.cocci warnings
CC: k
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