linux-kernel - [PATCH] amdkfd: use atomic allocations within srcu callbacks

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Date:	Wed,  3 Dec 2014 10:19:36 -0500
From:	Sasha Levin <sasha.levin@...cle.com>
To:	oded.gabbay@....com
Cc:	airlied@...ux.ie, alexander.deucher@....com, j.glisse@...il.com,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	John.Bridgman@....com, Andrew.Lewycky@....com, joro@...tes.org,
	Sasha Levin <sasha.levin@...cle.com>
Subject: [PATCH] amdkfd: use atomic allocations within srcu callbacks

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

Signed-off-by: Sasha Levin <sasha.levin@...cle.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);
-- 
2.1.0

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