diff -urp work.orig/kernel/common/inc/nv-linux.h work/kernel/common/inc/nv-linux.h
--- work.orig/kernel/common/inc/nv-linux.h	2016-01-10 05:03:42.000000000 +0100
+++ work/kernel/common/inc/nv-linux.h	2016-01-16 08:58:58.401122847 +0100
@@ -1330,9 +1330,14 @@ extern void *nvidia_stack_t_cache;
 #if (NV_KMEM_CACHE_CREATE_ARGUMENT_COUNT == 5)
 #define NV_KMEM_CACHE_CREATE(name, type)    \
     kmem_cache_create(name, sizeof(type), 0, 0, NULL)
+#define NV_KMEM_CACHE_CREATE_USERCOPY(name, type)    \
+    kmem_cache_create(name, sizeof(type), 0, SLAB_USERCOPY, NULL)
 #else
 #define NV_KMEM_CACHE_CREATE(name, type)    \
     kmem_cache_create(name, sizeof(type), 0, 0, NULL, \
+                       NULL)
+#define NV_KMEM_CACHE_CREATE_USERCOPY(name, type)    \
+    kmem_cache_create(name, sizeof(type), 0, SLAB_USERCOPY, NULL, \
                       NULL)
 #endif
 #define NV_KMEM_CACHE_DESTROY(kmem_cache)   \
diff -urp work.orig/kernel/common/inc/nv-modeset-interface.h work/kernel/common/inc/nv-modeset-interface.h
--- work.orig/kernel/common/inc/nv-modeset-interface.h	2016-01-10 05:03:42.000000000 +0100
+++ work/kernel/common/inc/nv-modeset-interface.h	2016-01-16 09:07:45.833166370 +0100
@@ -70,7 +70,7 @@ typedef struct {
      * mix nvidia and nvidia-modeset kernel modules from different
      * releases.
      */
-    const char *version_string;
+//    const char *version_string;
 
     /*
      * Allocate and free an nvidia_stack_t to pass into
@@ -104,6 +104,6 @@ typedef struct {
 
 } nvidia_modeset_rm_ops_t;
 
-NV_STATUS nvidia_get_rm_ops(nvidia_modeset_rm_ops_t *rm_ops);
+NV_STATUS nvidia_get_rm_ops(const nvidia_modeset_rm_ops_t **rm_ops, const char **version_string);
 
 #endif /* _NV_MODESET_INTERFACE_H_ */
diff -urp work.orig/kernel/common/inc/nv-register-module.h work/kernel/common/inc/nv-register-module.h
--- work.orig/kernel/common/inc/nv-register-module.h	2016-01-10 05:03:42.000000000 +0100
+++ work/kernel/common/inc/nv-register-module.h	2016-01-16 09:34:35.788680786 +0100
@@ -34,7 +34,7 @@ typedef struct nvidia_module_s {
     int (*ioctl)(struct inode *, struct file * file, unsigned int cmd, unsigned long arg);
     unsigned int (*poll)(struct file * file, poll_table *wait);
 
-} nvidia_module_t;
+} __do_const nvidia_module_t;
 
 int nvidia_register_module(nvidia_module_t *);
 int nvidia_unregister_module(nvidia_module_t *);
diff -urp work.orig/kernel/nvidia/nv.c work/kernel/nvidia/nv.c
--- work.orig/kernel/nvidia/nv.c	2016-01-10 05:03:42.000000000 +0100
+++ work/kernel/nvidia/nv.c	2016-01-16 08:58:58.401122847 +0100
@@ -704,7 +704,7 @@ int __init nvidia_init_module(void)
     NV_SPIN_LOCK_INIT(&km_lock);
 #endif
 
-    nvidia_stack_t_cache = NV_KMEM_CACHE_CREATE(nvidia_stack_cache_name,
+    nvidia_stack_t_cache = NV_KMEM_CACHE_CREATE_USERCOPY(nvidia_stack_cache_name,
                                                 nvidia_stack_t);
     if (nvidia_stack_t_cache == NULL)
     {
diff -urp work.orig/kernel/nvidia/nv-chrdev.c work/kernel/nvidia/nv-chrdev.c
--- work.orig/kernel/nvidia/nv-chrdev.c	2016-01-10 05:03:42.000000000 +0100
+++ work/kernel/nvidia/nv-chrdev.c	2016-01-16 09:38:33.533905857 +0100
@@ -20,8 +20,6 @@ int nv_register_chrdev(void *param)
 {
     nvidia_module_t *module = (nvidia_module_t *)param;
 
-    module->instance = nv_module_instance;
-
     return (nvidia_register_module(module));
 }
 
diff -urp work.orig/kernel/nvidia/nv-instance.c work/kernel/nvidia/nv-instance.c
--- work.orig/kernel/nvidia/nv-instance.c	2016-01-10 05:03:42.000000000 +0100
+++ work/kernel/nvidia/nv-instance.c	2016-01-16 09:36:56.761685481 +0100
@@ -54,6 +54,7 @@ struct pci_driver nv_pci_driver = {
 nvidia_module_t nv_fops = {
     .owner       = THIS_MODULE,
     .module_name = MODULE_NAME,
+    .instance    = MODULE_INSTANCE_NUMBER,
     .open        = nvidia_open,
     .close       = nvidia_close,
     .ioctl       = nvidia_ioctl,
diff -urp work.orig/kernel/nvidia/nv-mmap.c work/kernel/nvidia/nv-mmap.c
--- work.orig/kernel/nvidia/nv-mmap.c	2016-01-10 05:03:42.000000000 +0100
+++ work/kernel/nvidia/nv-mmap.c	2016-01-16 08:58:58.401122847 +0100
@@ -113,12 +113,12 @@ nvidia_vma_release(struct vm_area_struct
 }
 
 #if defined(NV_VM_OPERATIONS_STRUCT_HAS_ACCESS)
-static int
+static ssize_t
 nvidia_vma_access(
     struct vm_area_struct *vma,
     unsigned long addr,
     void *buffer,
-    int length,
+    size_t length,
     int write
 )
 {
diff -urp work.orig/kernel/nvidia/nv-modeset-interface.c work/kernel/nvidia/nv-modeset-interface.c
--- work.orig/kernel/nvidia/nv-modeset-interface.c	2016-01-10 05:03:42.000000000 +0100
+++ work/kernel/nvidia/nv-modeset-interface.c	2016-01-16 09:15:09.126954666 +0100
@@ -59,10 +59,9 @@ void nvidia_modeset_resume(NvU32 gpuId)
     }
 }
 
-NV_STATUS nvidia_get_rm_ops(nvidia_modeset_rm_ops_t *rm_ops)
+NV_STATUS nvidia_get_rm_ops(const nvidia_modeset_rm_ops_t **rm_ops, const char **version_string)
 {
-    const nvidia_modeset_rm_ops_t local_rm_ops = {
-        .version_string = NV_VERSION_STRING,
+    static const nvidia_modeset_rm_ops_t local_rm_ops = {
         .alloc_stack    = nvidia_modeset_rm_ops_alloc_stack,
         .free_stack     = nvidia_modeset_rm_ops_free_stack,
         .get_gpuid_list = nvidia_get_gpuid_list,
@@ -72,13 +71,13 @@ NV_STATUS nvidia_get_rm_ops(nvidia_modes
         .set_callbacks  = nvidia_modeset_set_callbacks,
     };
 
-    if (strcmp(rm_ops->version_string, NV_VERSION_STRING) != 0)
+    if (strcmp(*version_string, NV_VERSION_STRING) != 0)
     {
-        rm_ops->version_string = NV_VERSION_STRING;
+        *version_string = NV_VERSION_STRING;
         return NV_ERR_GENERIC;
     }
 
-    *rm_ops = local_rm_ops;
+    *rm_ops = &local_rm_ops;
 
     return NV_OK;
 }
diff -urp work.orig/kernel/nvidia-modeset/nvidia-modeset-linux.c work/kernel/nvidia-modeset/nvidia-modeset-linux.c
--- work.orig/kernel/nvidia-modeset/nvidia-modeset-linux.c	2016-01-10 05:04:03.000000000 +0100
+++ work/kernel/nvidia-modeset/nvidia-modeset-linux.c	2016-01-16 09:10:46.866072615 +0100
@@ -320,49 +320,48 @@ static void nvkms_resume(NvU32 gpuId)
  * so we can use a single nvidia_modeset_stack_ptr for calling RM.
  *************************************************************************/
 
-static nvidia_modeset_rm_ops_t __rm_ops = { 0 };
+static const nvidia_modeset_rm_ops_t *__rm_ops;
 static nvidia_modeset_stack_ptr nvkms_nvidia_stack = NULL;
 static nvidia_modeset_callbacks_t nvkms_rm_callbacks = {
-    nvkms_suspend,
-    nvkms_resume
+    .suspend = nvkms_suspend,
+    .resume = nvkms_resume
 };
 
 static int nvkms_alloc_rm(void)
 {
     NV_STATUS nvstatus;
     int ret;
+    const char *version_string = NV_VERSION_STRING;
 
-    __rm_ops.version_string = NV_VERSION_STRING;
-
-    nvstatus = nvidia_get_rm_ops(&__rm_ops);
+    nvstatus = nvidia_get_rm_ops(&__rm_ops, &version_string);
 
     if (nvstatus != NV_OK) {
         printk(KERN_ERR NVKMS_LOG_PREFIX "Version mismatch: "
                "nvidia.ko(%s) nvidia-modeset.ko(%s)\n",
-               __rm_ops.version_string, NV_VERSION_STRING);
+               version_string, NV_VERSION_STRING);
         return -EINVAL;
     }
 
-    ret = __rm_ops.set_callbacks(&nvkms_rm_callbacks);
+    ret = __rm_ops->set_callbacks(&nvkms_rm_callbacks);
     if (ret < 0) {
         printk(KERN_ERR NVKMS_LOG_PREFIX "Failed to register callbacks\n");
         return ret;
     }
 
-    return __rm_ops.alloc_stack(&nvkms_nvidia_stack);
+    return __rm_ops->alloc_stack(&nvkms_nvidia_stack);
 }
 
 static void nvkms_free_rm(void)
 {
-    __rm_ops.set_callbacks(NULL);
-    if (__rm_ops.free_stack != NULL) {
-        __rm_ops.free_stack(nvkms_nvidia_stack);
+    __rm_ops->set_callbacks(NULL);
+    if (__rm_ops->free_stack != NULL) {
+        __rm_ops->free_stack(nvkms_nvidia_stack);
     }
 }
 
 void NVKMS_API_CALL nvkms_call_rm(void *ops)
 {
-    __rm_ops.op(nvkms_nvidia_stack, ops);
+    __rm_ops->op(nvkms_nvidia_stack, ops);
 }
 
 /*************************************************************************
@@ -681,17 +680,17 @@ done:
 
 NvBool NVKMS_API_CALL nvkms_open_gpu(NvU32 gpuId)
 {
-    return __rm_ops.open_gpu(gpuId, nvkms_nvidia_stack) == 0;
+    return __rm_ops->open_gpu(gpuId, nvkms_nvidia_stack) == 0;
 }
 
 void NVKMS_API_CALL nvkms_close_gpu(NvU32 gpuId)
 {
-    __rm_ops.close_gpu(gpuId, nvkms_nvidia_stack);
+    __rm_ops->close_gpu(gpuId, nvkms_nvidia_stack);
 }
 
 NvBool NVKMS_API_CALL nvkms_list_gpus(NvU32 *gpu_ids, NvU32 *gpu_count)
 {
-    return __rm_ops.get_gpuid_list(gpu_ids, gpu_count);
+    return __rm_ops->get_gpuid_list(gpu_ids, gpu_count);
 }
 
 /*************************************************************************
diff -urp work.orig/kernel/nvidia-uvm/uvm8_channel.c work/kernel/nvidia-uvm/uvm8_channel.c
--- work.orig/kernel/nvidia-uvm/uvm8_channel.c	2016-01-10 05:04:16.000000000 +0100
+++ work/kernel/nvidia-uvm/uvm8_channel.c	2016-01-16 08:58:58.401122847 +0100
@@ -255,7 +255,7 @@ void uvm_channel_end_push(uvm_push_t *pu
     mb();
 
     channel->cpu_put = new_cpu_put;
-    ACCESS_ONCE(*channel->channel_info.GPPut) = new_cpu_put;
+    ACCESS_ONCE_RW(*channel->channel_info.GPPut) = new_cpu_put;
 
     uvm_spin_unlock(&channel->pool->lock);
 
diff -urp work.orig/kernel/nvidia-uvm/uvm8_global.c work/kernel/nvidia-uvm/uvm8_global.c
--- work.orig/kernel/nvidia-uvm/uvm8_global.c	2016-01-10 05:04:16.000000000 +0100
+++ work/kernel/nvidia-uvm/uvm8_global.c	2016-01-16 08:58:58.401122847 +0100
@@ -30,16 +30,17 @@
 #include "nv_uvm_interface.h"
 
 uvm_global_t g_uvm_global;
-static struct UvmOpsUvmEvents g_exported_uvm8_ops;
+static struct UvmOpsUvmEvents g_exported_uvm8_ops = {
+    .startDevice = NULL,
+    .stopDevice  = NULL,
+    .isrTopHalf  = uvm8_isr_top_half,
+
+};
 
 static NV_STATUS uvm8_register_callbacks(void)
 {
     NV_STATUS status = NV_OK;
 
-    g_exported_uvm8_ops.startDevice = NULL;
-    g_exported_uvm8_ops.stopDevice  = NULL;
-    g_exported_uvm8_ops.isrTopHalf  = uvm8_isr_top_half;
-
     // Register the UVM callbacks with the main GPU driver:
     status = uvm_rm_locked_call(nvUvmInterfaceRegisterUvmCallbacks(&g_exported_uvm8_ops));
     return status;
diff -urp work.orig/kernel/nvidia-uvm/uvm8_gpu_semaphore.c work/kernel/nvidia-uvm/uvm8_gpu_semaphore.c
--- work.orig/kernel/nvidia-uvm/uvm8_gpu_semaphore.c	2016-01-10 05:04:16.000000000 +0100
+++ work/kernel/nvidia-uvm/uvm8_gpu_semaphore.c	2016-01-16 08:58:58.401122847 +0100
@@ -303,7 +303,7 @@ void uvm_gpu_semaphore_set_payload(uvm_g
     // being optimized out on non-SMP configs (we need them for interacting with
     // the GPU correctly even on non-SMP).
     mb();
-    ACCESS_ONCE(*semaphore->payload) = payload;
+    ACCESS_ONCE_RW(*semaphore->payload) = payload;
 }
 
 NV_STATUS uvm_gpu_tracking_semaphore_alloc(uvm_gpu_semaphore_pool_t *pool, uvm_gpu_tracking_semaphore_t *tracking_sem)
diff -urp work.orig/kernel/nvidia-uvm/uvm8_hal.c work/kernel/nvidia-uvm/uvm8_hal.c
--- work.orig/kernel/nvidia-uvm/uvm8_hal.c	2016-01-10 05:04:16.000000000 +0100
+++ work/kernel/nvidia-uvm/uvm8_hal.c	2016-01-16 09:40:24.230268412 +0100
@@ -61,7 +61,7 @@ typedef struct
         // arch_ops: id is an architecture
         uvm_arch_hal_t arch_ops;
     } u;
-} uvm_hal_class_ops_t;
+} __do_const uvm_hal_class_ops_t;
 
 // Table for copy engine functions.
 // Each entry is associated with a copy engine class through the 'class' field.
diff -urp work.orig/kernel/nvidia-uvm/uvm8_mmu.h work/kernel/nvidia-uvm/uvm8_mmu.h
--- work.orig/kernel/nvidia-uvm/uvm8_mmu.h	2016-01-10 05:04:16.000000000 +0100
+++ work/kernel/nvidia-uvm/uvm8_mmu.h	2016-01-16 11:00:29.069194590 +0100
@@ -24,7 +24,6 @@
 #ifndef __UVM8_MMU_H__
 #define __UVM8_MMU_H__
 
-#include "uvm8_forward_decl.h"
 #include "uvmtypes.h"
 #include "uvm_common.h"
 
diff -urp work.orig/kernel/nvidia-uvm/uvm_common.c work/kernel/nvidia-uvm/uvm_common.c
--- work.orig/kernel/nvidia-uvm/uvm_common.c	2016-01-10 05:04:16.000000000 +0100
+++ work/kernel/nvidia-uvm/uvm_common.c	2016-01-16 08:58:58.401122847 +0100
@@ -74,7 +74,6 @@ static int uvmnext_activated(void)
 #endif
 
 static dev_t g_uvmBaseDev;
-struct UvmOpsUvmEvents g_exportedUvmOps;
 
 static char* uvm_driver_mode = "lite";
 
@@ -199,12 +198,17 @@ static NV_STATUS uvmSetupGpuProvider(voi
 {
     NV_STATUS status = NV_OK;
 
-    g_exportedUvmOps.startDevice = uvm_gpu_event_start_device;
-    g_exportedUvmOps.stopDevice  = uvm_gpu_event_stop_device;
+    static struct UvmOpsUvmEvents g_exportedUvmOps = {
+        .startDevice = uvm_gpu_event_start_device,
+        .stopDevice  = uvm_gpu_event_stop_device,
+        .isrTopHalf  = NULL,
+    };
+    pax_open_kernel();
     if (uvmnext_activated())
-        g_exportedUvmOps.isrTopHalf = uvmnext_isr_top_half;
+        *(void **)&g_exportedUvmOps.isrTopHalf = uvmnext_isr_top_half;
     else if (uvmfull_activated())
-        g_exportedUvmOps.isrTopHalf = uvmfull_isr_top_half;
+        *(void **)&g_exportedUvmOps.isrTopHalf = uvmfull_isr_top_half;
+    pax_close_kernel();
 
     // call RM to exchange the function pointers.
     status = nvUvmInterfaceRegisterUvmCallbacks(&g_exportedUvmOps);
diff -urp work.orig/kernel/nvidia-uvm/uvm_full_fault_buffer.h work/kernel/nvidia-uvm/uvm_full_fault_buffer.h
--- work.orig/kernel/nvidia-uvm/uvm_full_fault_buffer.h	2016-01-10 05:04:17.000000000 +0100
+++ work/kernel/nvidia-uvm/uvm_full_fault_buffer.h	2016-01-16 08:58:58.405148231 +0100
@@ -31,6 +31,7 @@
 #define _UVM_FULL_FAULT_BUFFER_H_
 
 #include "uvmtypes.h"
+#include "linux/compiler.h"
 
 #define MAXWELL_FAULT_BUFFER_A (0xb069)
 #define MEM_RD32(a) (*(const volatile NvU32 *)(a)) 
@@ -303,7 +304,7 @@ typedef struct
     NvUvmControlPrefetch_t              controlPrefetch;
     NvUvmTestFaultBufferOverflow_t      testFaultBufferOverflow;
     NvUvmClearFaultBufferOverflow_t     clearFaultBufferOverflow;
-} UvmFaultBufferOps;
+} UvmFaultBufferOps __no_const;
 
 /******************************************************************************
     uvmfull_fault_buffer_init