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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1221-drm-amdkfd-Fix-potential-fence-leak.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1221-drm-amdkfd-Fix-potential-fence-leak.patch43
1 files changed, 43 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1221-drm-amdkfd-Fix-potential-fence-leak.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1221-drm-amdkfd-Fix-potential-fence-leak.patch
new file mode 100644
index 00000000..0e4dd520
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1221-drm-amdkfd-Fix-potential-fence-leak.patch
@@ -0,0 +1,43 @@
+From cca417f1ffbacdb9f741aa9f32d2012e907ccccb Mon Sep 17 00:00:00 2001
+From: Yong Zhao <yong.zhao@amd.com>
+Date: Thu, 22 Dec 2016 19:59:36 -0500
+Subject: [PATCH 1221/4131] drm/amdkfd: Fix potential fence leak
+
+Change-Id: Ic38cb450cb2a752335a6a6d7c86a1252ab65a75f
+Signed-off-by: Yong Zhao <yong.zhao@amd.com>
+---
+ drivers/gpu/drm/amd/amdkfd/kfd_device.c | 9 +++++----
+ 1 file changed, 5 insertions(+), 4 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+index 2fb12bc..4ed7420 100644
+--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
++++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+@@ -860,7 +860,8 @@ int kgd2kfd_schedule_evict_and_restore_process(struct mm_struct *mm,
+ goto out;
+ else {
+ WARN(1, "Starting new evict with previous evict is not completed\n");
+- cancel_work_sync(&p->eviction_work.work);
++ if (cancel_work_sync(&p->eviction_work.work))
++ fence_put(p->eviction_work.eviction_fence);
+ }
+ }
+
+@@ -899,11 +900,11 @@ void kfd_evict_bo_worker(struct work_struct *work)
+ ret = quiesce_process_mm(p);
+ if (!ret) {
+ fence_signal(eviction_work->eviction_fence);
+- fence_put(eviction_work->eviction_fence);
+ kfd_schedule_restore_bos_and_queues(p);
+- } else {
++ } else
+ pr_err("Failed to quiesce user queues. Cannot evict BOs\n");
+- }
++
++ fence_put(eviction_work->eviction_fence);
+
+ }
+
+--
+2.7.4
+