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* [PATCH] amdkfd: actually allocate longs for the pasid bitmask
@ 2014-12-28 16:44 Sasha Levin
2014-12-29 8:51 ` Oded Gabbay
0 siblings, 1 reply; 2+ messages in thread
From: Sasha Levin @ 2014-12-28 16:44 UTC (permalink / raw)
To: oded.gabbay
Cc: airlied, alexander.deucher, j.glisse, linux-kernel, dri-devel,
John.Bridgman, Andrew.Lewycky, joro, Sasha Levin
Commit "amdkfd: use sizeof(long) granularity for the pasid bitmask" calculated
the number of longs it will need, but ended up allocating that number of
bytes rather than longs.
Fix that silly error and allocate the amount of data really required.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_pasid.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c b/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
index 71699ad..4c25ef5 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
@@ -32,7 +32,7 @@ int kfd_pasid_init(void)
{
pasid_limit = max_num_of_processes;
- pasid_bitmap = kzalloc(BITS_TO_LONGS(pasid_limit), GFP_KERNEL);
+ pasid_bitmap = kcalloc(BITS_TO_LONGS(pasid_limit), sizeof(long), GFP_KERNEL);
if (!pasid_bitmap)
return -ENOMEM;
--
1.7.10.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] amdkfd: actually allocate longs for the pasid bitmask
2014-12-28 16:44 [PATCH] amdkfd: actually allocate longs for the pasid bitmask Sasha Levin
@ 2014-12-29 8:51 ` Oded Gabbay
0 siblings, 0 replies; 2+ messages in thread
From: Oded Gabbay @ 2014-12-29 8:51 UTC (permalink / raw)
To: Sasha Levin
Cc: airlied, alexander.deucher, j.glisse, linux-kernel, dri-devel,
John.Bridgman, Andrew.Lewycky, joro
On 12/28/2014 06:44 PM, Sasha Levin wrote:
> Commit "amdkfd: use sizeof(long) granularity for the pasid bitmask" calculated
> the number of longs it will need, but ended up allocating that number of
> bytes rather than longs.
>
> Fix that silly error and allocate the amount of data really required.
>
> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
> ---
> drivers/gpu/drm/amd/amdkfd/kfd_pasid.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c b/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
> index 71699ad..4c25ef5 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
> @@ -32,7 +32,7 @@ int kfd_pasid_init(void)
> {
> pasid_limit = max_num_of_processes;
>
> - pasid_bitmap = kzalloc(BITS_TO_LONGS(pasid_limit), GFP_KERNEL);
> + pasid_bitmap = kcalloc(BITS_TO_LONGS(pasid_limit), sizeof(long), GFP_KERNEL);
> if (!pasid_bitmap)
> return -ENOMEM;
>
>
Thanks!
Applied to my amdkfd-fixes tree.
Oded
^ permalink raw reply [flat|nested] 2+ messages in thread
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2014-12-28 16:44 [PATCH] amdkfd: actually allocate longs for the pasid bitmask Sasha Levin
2014-12-29 8:51 ` Oded Gabbay
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