Re: [PATCH] amdkfd: use atomic allocations within srcu callbacks

On 12/03/2014 05:19 PM, Sasha Levin wrote:

srcu callbacks are running in atomic context, we can't allocate using __GFP_WAIT.

Signed-off-by: Sasha Levin sasha.levin@oracle.com

drivers/gpu/drm/amd/amdkfd/kfd_process.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index b4f49ac..b85eb0b 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -196,7 +196,7 @@ static void kfd_process_destroy_delayed(struct rcu_head *rcu) mmdrop(p->mm);

work = (struct kfd_process_release_work *)

• kmalloc(sizeof(struct kfd_process_release_work), GFP_KERNEL);
  

• kmalloc(sizeof(struct kfd_process_release_work), GFP_ATOMIC);
  
  

  if (work) { INIT_WORK((struct work_struct *) work, kfd_process_wq_release);

Thanks! Applied to my -next tree.

Oded