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From 37b58a9dae1b579a15d4443d0ecc18b1bc420a49 Mon Sep 17 00:00:00 2001
From: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Date: Thu, 30 Nov 2017 14:43:18 -0500
Subject: [PATCH 1352/4131] drm/amdkfd: [RHEL 6.8] fix for hash_for_each_rcu
Change-Id: I17e5751f2ee4f06c242c09dd721adeba1ab69039
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_process.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index ef43039..b458995 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -1051,7 +1051,13 @@ void kfd_suspend_all_processes(void)
unsigned int temp;
int idx = srcu_read_lock(&kfd_processes_srcu);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)
+ struct hlist_node *node;
+
+ hash_for_each_rcu(kfd_processes_table, temp, node, p, kfd_processes) {
+#else
hash_for_each_rcu(kfd_processes_table, temp, p, kfd_processes) {
+#endif
if (cancel_delayed_work_sync(&p->eviction_work.dwork))
dma_fence_put(p->eviction_work.quiesce_fence);
cancel_delayed_work_sync(&p->restore_work);
@@ -1071,7 +1077,13 @@ int kfd_resume_all_processes(void)
unsigned int temp;
int ret = 0, idx = srcu_read_lock(&kfd_processes_srcu);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)
+ struct hlist_node *node;
+
+ hash_for_each_rcu(kfd_processes_table, temp, node, p, kfd_processes) {
+#else
hash_for_each_rcu(kfd_processes_table, temp, p, kfd_processes) {
+#endif
if (!schedule_delayed_work(&p->restore_work, 0)) {
pr_err("Restore process %d failed during resume\n",
p->pasid);
--
2.7.4
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