5.16 workaround (#79)

* 5.16 fix

* 5.16-fix

PKGBUILD

@@ -286,6 +286,7 @@ source=($_source_name
         '455-crashfix.diff' # 455 drivers fix - https://forums.developer.nvidia.com/t/455-23-04-page-allocation-failure-in-kernel-module-at-random-points/155250/79
         'kernel-5.12.patch' # 5.12 workaround
         'kernel-5.14.patch' # 5.14 workaround
+        'kernel-5.16.patch' # 5.16 workaround
 )
 
 msg2 "Selected driver integrity check behavior (md5sum or SKIP): $_md5sum" # If the driver is "known", return md5sum. If it isn't, return SKIP
@@ -322,7 +323,8 @@ md5sums=("$_md5sum"
          '8764cc714e61363cc8f818315957ad17'
          '08bec554de265ce5fdcfdbd55fb608fc'
          '3980770412a1d4d7bd3a16c9042200df'
-         'f5fd091893f513d2371654e83049f099')
+         'f5fd091893f513d2371654e83049f099'
+         'd684ca11fdc9894c14ead69cb35a5946')
 
 if [ "$_autoaddpatch" = "true" ]; then
   # Auto-add *.patch files from $startdir to source=()
@@ -649,6 +651,12 @@ DEST_MODULE_LOCATION[3]="/kernel/drivers/video"' dkms.conf
       _whitelist514=( 465* 470.4* 470.5* )
     fi
 
+    # 5.16
+    if (( $(vercmp "$_kernel" "5.16") >= 0 )); then
+      _kernel516="1"
+      _whitelist516=( 470.8* 495*)
+    fi
+
     # Loop patches (linux-4.15.patch, lol.patch, ...)
     for _p in $(printf -- '%s\n' ${source[@]} | grep .patch); do  # https://stackoverflow.com/a/21058239/1821548
       # Patch version (4.15, "", ...)
@@ -706,6 +714,10 @@ DEST_MODULE_LOCATION[3]="/kernel/drivers/video"' dkms.conf
         _whitelist=(${_whitelist514[@]})
       fi
 
+      if [ "$_patch" = "5.16" ]; then
+        _whitelist=(${_whitelist516[@]})
+      fi
+
       patchy=0
       if (( $(vercmp "$_kernel" "$_patch") >= 0 )); then
         for yup in "${_whitelist[@]}"; do
@@ -1005,6 +1017,19 @@ DEST_MODULE_LOCATION[3]="/kernel/drivers/video"' dkms.conf
       fi
     fi
 
+    if [ "$_kernel516" = "1" ]; then
+      patchy=0
+      for yup in "${_whitelist516[@]}"; do
+        [[ $pkgver = $yup ]] && patchy=1
+      done
+      if [ "$patchy" = "1" ]; then
+        msg2 "Applying kernel-5.16.patch for dkms..."
+        patch -Np1 -i "$srcdir"/kernel-5.16.patch
+      else
+        msg2 "Skipping kernel-5.16.patch as it doesn't apply to this driver version..."
+      fi
+    fi
+
     # Legacy quirks
     if [ "$_oldstuff" = "1" ]; then
       msg2 "Applying 01-ipmi-vm.diff for dkms..."

patches/kernel-5.16.patch

@@ -0,0 +1,13 @@
+--- a/kernel-dkms/nvidia-uvm/uvm_migrate_pageable.c	2021-10-22 08:48:04.000000000 +0200
++++ b/kernel-dkms/nvidia-uvm/uvm_migrate_pageable_b.c	2021-11-29 17:50:22.467621809 +0100
+@@ -336,6 +336,10 @@
+     return dst_page;
+ }
+
++#ifndef MIGRATE_PFN_LOCKED
++#define MIGRATE_PFN_LOCKED	0
++#endif
++
+ static NV_STATUS migrate_vma_populate_anon_pages(struct vm_area_struct *vma,
+                                                  unsigned long *dst,
+                                                  unsigned long start,