- move uvm bits to separate patch

[packages/xorg-driver-video-nvidia-legacy-390xx.git] / kernel-5.9-uvm.patch

diff --git a/kernel-5.9-uvm.patch b/kernel-5.9-uvm.patch
new file mode 100644 (file)
index 0000000..4bdea19
--- /dev/null
+++ b/kernel-5.9-uvm.patch
@@ -0,0 +1,24 @@
+diff --git a/kernel/nvidia-uvm/uvm8_tools.c b/kernel/nvidia-uvm/uvm8_tools.c
+index 86dbb77..63d0b64 100644
+--- a/kernel/nvidia-uvm/uvm8_tools.c
++++ b/kernel/nvidia-uvm/uvm8_tools.c
+@@ -190,7 +190,6 @@ static uvm_tools_event_tracker_t *tools_event_tracker(struct file *filp)
+ {
+     long event_tracker = atomic_long_read((atomic_long_t *)&filp->private_data);
+ 
+-    smp_read_barrier_depends();
+     return (uvm_tools_event_tracker_t *)event_tracker;
+ }
+ 
+diff --git a/kernel/nvidia-uvm/uvm8_va_range.h b/kernel/nvidia-uvm/uvm8_va_range.h
+index 8cae357..6166cc8 100644
+--- a/kernel/nvidia-uvm/uvm8_va_range.h
++++ b/kernel/nvidia-uvm/uvm8_va_range.h
+@@ -717,7 +717,6 @@ static uvm_va_block_t *uvm_va_range_block(uvm_va_range_t *va_range, size_t index
+     // make sure that any initialization of this block by the creating thread is
+     // visible to later accesses in this thread, which requires a data
+     // dependency barrier.
+-    smp_read_barrier_depends();
+     return block;
+ }
+