1 files changed, 0 insertions, 54 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1476-drm-amdkfd-Get-reference-to-lead_thread-task-struct.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1476-drm-amdkfd-Get-reference-to-lead_thread-task-struct.patch
deleted file mode 100644
index b4bb3969..00000000
--- a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1476-drm-amdkfd-Get-reference-to-lead_thread-task-struct.patch
+++ /dev/null
@@ -1,54 +0,0 @@
-From 98c886193d867e48de0e3a5dc3b3864536d98c66 Mon Sep 17 00:00:00 2001
-From: Felix Kuehling <Felix.Kuehling@amd.com>
-Date: Tue, 26 Jul 2016 17:22:46 -0400
-Subject: [PATCH 1476/4131] drm/amdkfd: Get reference to lead_thread task
- struct
-
-Increment the kfd_process.lead_thread's reference counter to make
-it safe to dereference. This will be needed for getting a safe
-reference to the process' mm_struct.
-
-Change-Id: I2a38f5f2de989dd4f19115d21d31ea6df953806c
-Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
----
- drivers/gpu/drm/amd/amdkfd/kfd_priv.h    | 2 ++
- drivers/gpu/drm/amd/amdkfd/kfd_process.c | 3 +++
- 2 files changed, 5 insertions(+)
-
-diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
-index f943e11..f540931 100644
---- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
-+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
-@@ -618,6 +618,8 @@ struct kfd_process {
- 	 * In any process, the thread that started main() is the lead
- 	 * thread and outlives the rest.
- 	 * It is here because amd_iommu_bind_pasid wants a task_struct.
-+	 * It can also be used for safely getting a reference to the
-+	 * mm_struct of the process.
- 	 */
- 	struct task_struct *lead_thread;
- 
-diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
-index ec066d8..889d165 100644
---- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
-+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
-@@ -466,6 +466,8 @@ static void kfd_process_ref_release(struct kref *ref)
- 
- 	kfd_pasid_free(p->pasid);
- 
-+	put_task_struct(p->lead_thread);
-+
- 	kfree(p);
- }
- 
-@@ -647,6 +649,7 @@ static struct kfd_process *create_process(const struct task_struct *thread)
- 			(uintptr_t)process->mm);
- 
- 	process->lead_thread = thread->group_leader;
-+	get_task_struct(process->lead_thread);
- 
- 	INIT_LIST_HEAD(&process->per_device_data);
- 
--- 
-2.7.4
-