535.86.10

Author: niv

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## Release 535 Entries
 
+### [535.86.10] 2023-07-31
+
 ### [535.86.05] 2023-07-18
 
 ### [535.54.03] 2023-06-14

README.md

@@ -1,7 +1,7 @@
 # NVIDIA Linux Open GPU Kernel Module Source
 
 This is the source release of the NVIDIA Linux open GPU kernel modules,
-version 535.86.05.
+version 535.86.10.
 
 
 ## How to Build
@@ -17,7 +17,7 @@ as root:
 
 Note that the kernel modules built here must be used with GSP
 firmware and user-space NVIDIA GPU driver components from a corresponding
-535.86.05 driver release.  This can be achieved by installing
+535.86.10 driver release.  This can be achieved by installing
 the NVIDIA GPU driver from the .run file using the `--no-kernel-modules`
 option.  E.g.,
 
@@ -180,15 +180,15 @@ software applications.
 ## Compatible GPUs
 
 The open-gpu-kernel-modules can be used on any Turing or later GPU
-(see the table below). However, in the 535.86.05 release,
+(see the table below). However, in the 535.86.10 release,
 GeForce and Workstation support is still considered alpha-quality.
 
 To enable use of the open kernel modules on GeForce and Workstation GPUs,
 set the "NVreg_OpenRmEnableUnsupportedGpus" nvidia.ko kernel module
 parameter to 1. For more details, see the NVIDIA GPU driver end user
 README here:
 
-https://us.download.nvidia.com/XFree86/Linux-x86_64/535.86.05/README/kernel_open.html
+https://us.download.nvidia.com/XFree86/Linux-x86_64/535.86.10/README/kernel_open.html
 
 In the below table, if three IDs are listed, the first is the PCI Device 
 ID, the second is the PCI Subsystem Vendor ID, and the third is the PCI

kernel-open/Kbuild

@@ -72,7 +72,7 @@ EXTRA_CFLAGS += -I$(src)/common/inc
 EXTRA_CFLAGS += -I$(src)
 EXTRA_CFLAGS += -Wall $(DEFINES) $(INCLUDES) -Wno-cast-qual -Wno-error -Wno-format-extra-args
 EXTRA_CFLAGS += -D__KERNEL__ -DMODULE -DNVRM
-EXTRA_CFLAGS += -DNV_VERSION_STRING=\"535.86.05\"
+EXTRA_CFLAGS += -DNV_VERSION_STRING=\"535.86.10\"
 
 ifneq ($(SYSSRCHOST1X),)
  EXTRA_CFLAGS += -I$(SYSSRCHOST1X)

kernel-open/nvidia-uvm/uvm_channel.c

@@ -2703,7 +2703,15 @@ static void init_channel_manager_conf(uvm_channel_manager_t *manager)
     // access through the bus, because no cache coherence message is exchanged.
     if (uvm_gpu_is_coherent(gpu->parent)) {
         manager->conf.gpfifo_loc = UVM_BUFFER_LOCATION_SYS;
-        manager->conf.gpput_loc = UVM_BUFFER_LOCATION_SYS;
+
+        // On GPUs with limited ESCHED addressing range, e.g., Volta on P9, RM
+        // cannot guarantee that USERD/GPPUT physical address is accessible by
+        // ESCHED. We set GPPUT location to vidmem where physical addresses are
+        // all accessible by ESCHED. We use the max_host_va as a proxy for the
+        // PA limitation, since all architectures with 40b VA limits also have
+        // 40b PA limits.
+        manager->conf.gpput_loc = gpu->parent->max_host_va == (1ull << 40) ? UVM_BUFFER_LOCATION_VID :
+                                                                             UVM_BUFFER_LOCATION_SYS;
     }
     else {
         // By default we place GPFIFO and GPPUT on vidmem as it potentially has

kernel-open/nvidia/nvlink_export.h

@@ -46,11 +46,6 @@ NvlStatus nvlink_lib_unload(void);
 */
 NvlStatus nvlink_lib_ioctl_ctrl(nvlink_ioctrl_params *ctrl_params);
 
-/*
-* Gets number of devices with type deviceType
-*/
-NvlStatus nvlink_lib_return_device_count_by_type(NvU32 deviceType, NvU32 *numDevices);
-
 #ifdef __cplusplus
 }
 #endif

src/common/inc/nvBldVer.h

@@ -43,11 +43,11 @@
 #endif
 
 #if defined(NV_LINUX) || defined(NV_BSD) || defined(NV_SUNOS)
-#define NV_BUILD_BRANCH_VERSION         "rel/gpu_drv/r535/r536_62-214"
-#define NV_BUILD_CHANGELIST_NUM         (33069717)
+#define NV_BUILD_BRANCH_VERSION         "rel/gpu_drv/r535/r536_62-219"
+#define NV_BUILD_CHANGELIST_NUM         (33114094)
 #define NV_BUILD_TYPE                   "Official"
-#define NV_BUILD_NAME                   "rel/gpu_drv/r535/r536_62-214"
-#define NV_LAST_OFFICIAL_CHANGELIST_NUM (33069717)
+#define NV_BUILD_NAME                   "rel/gpu_drv/r535/r536_62-219"
+#define NV_LAST_OFFICIAL_CHANGELIST_NUM (33114094)
 
 #else     /* Windows builds */
 #define NV_BUILD_BRANCH_VERSION         "r536_62-3"

src/common/inc/nvUnixVersion.h

@@ -4,7 +4,7 @@
 #if defined(NV_LINUX) || defined(NV_BSD) || defined(NV_SUNOS) || defined(NV_VMWARE) || defined(NV_QNX) || defined(NV_INTEGRITY) || \
     (defined(RMCFG_FEATURE_PLATFORM_GSP) && RMCFG_FEATURE_PLATFORM_GSP == 1)
 
-#define NV_VERSION_STRING               "535.86.05"
+#define NV_VERSION_STRING               "535.86.10"
 
 #else
 

src/common/nvlink/interface/nvlink.h

@@ -439,11 +439,6 @@ NvlStatus nvlink_lib_register_link(nvlink_device *dev, nvlink_link *link);
  */
 NvlStatus nvlink_lib_unregister_link(nvlink_link *link);
 
-/*
-* Gets number of devices with type deviceType
-*/
-NvlStatus nvlink_lib_return_device_count_by_type(NvU32 deviceType, NvU32 *numDevices);
-
 
 /************************************************************************************************/
 /******************************* NVLink link management functions *******************************/

src/common/nvlink/interface/nvlink_export.h

@@ -46,11 +46,6 @@ NvlStatus nvlink_lib_unload(void);
 */
 NvlStatus nvlink_lib_ioctl_ctrl(nvlink_ioctrl_params *ctrl_params);
 
-/*
-* Gets number of devices with type deviceType
-*/
-NvlStatus nvlink_lib_return_device_count_by_type(NvU32 deviceType, NvU32 *numDevices);
-
 #ifdef __cplusplus
 }
 #endif

src/common/nvlink/kernel/nvlink/nvlink_lib_mgmt.c

@@ -171,6 +171,7 @@ nvlink_lib_is_registerd_device_with_reduced_config(void)
 {
     NvlStatus lock_status = NVL_SUCCESS;
     nvlink_device *dev    = NULL;
+    NvBool         bIsReducedConfg = NV_FALSE;
 
     // Acquire top-level lock
     lock_status = nvlink_lib_top_lock_acquire();
@@ -187,58 +188,13 @@ nvlink_lib_is_registerd_device_with_reduced_config(void)
     {
         if (dev->bReducedNvlinkConfig == NV_TRUE)
         {
-            return NV_TRUE;
+            bIsReducedConfg = NV_TRUE;
+            break;
         }
     }
 
-    // Release and free top-level lock
+    // Release top-level lock
     nvlink_lib_top_lock_release();
-    nvlink_lib_top_lock_free();
 
-    return NV_FALSE;
-}
-
-/*
-* Get the number of devices that have the device type deviceType
-*/
-NvlStatus
-nvlink_lib_return_device_count_by_type
-(
-    NvU32 deviceType,
-    NvU32 *numDevices
-)
-{
-    NvlStatus lock_status = NVL_SUCCESS;
-    nvlink_device *dev = NULL;
-    NvU32 device_count = 0;
-
-    if (nvlink_lib_is_initialized())
-    {
-        // Acquire top-level lock
-        lock_status = nvlink_lib_top_lock_acquire();
-        if (lock_status != NVL_SUCCESS)
-        {
-            NVLINK_PRINT((DBG_MODULE_NVLINK_CORE, NVLINK_DBG_LEVEL_ERRORS,
-                "%s: Failed to acquire top-level lock\n",
-                __FUNCTION__));
-
-            return lock_status;
-         }
-
-        // Top-level lock is now acquired
-
-        // Loop through device list
-        FOR_EACH_DEVICE_REGISTERED(dev, nvlinkLibCtx.nv_devicelist_head, node)
-        {
-            if (dev->type == deviceType)
-            {
-                device_count++;
-            }
-        }
-
-        // Release top-level lock
-        nvlink_lib_top_lock_release(); 
-    }
-    *numDevices = device_count;
-    return NVL_SUCCESS;
+    return bIsReducedConfg;
 }