diff options
Diffstat (limited to 'nvidia-4.0.patch')
-rw-r--r-- | nvidia-4.0.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/nvidia-4.0.patch b/nvidia-4.0.patch new file mode 100644 index 000000000000..905ebeaf3fde --- /dev/null +++ b/nvidia-4.0.patch @@ -0,0 +1,28 @@ +--- kernel/nv-pat.c~ 2015-02-22 20:39:43.889075396 -0800 ++++ kernel/nv-pat.c 2015-02-22 20:29:33.519735577 -0800 +@@ -35,8 +35,13 @@ + unsigned long cr0 = read_cr0(); + write_cr0(((cr0 & (0xdfffffff)) | 0x40000000)); + wbinvd(); ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0) ++ *cr4 = __read_cr4(); ++ if (*cr4 & 0x80) __write_cr4(*cr4 & ~0x80); ++#else + *cr4 = read_cr4(); + if (*cr4 & 0x80) write_cr4(*cr4 & ~0x80); ++#endif + __flush_tlb(); + } + +@@ -46,7 +46,11 @@ + wbinvd(); + __flush_tlb(); + write_cr0((cr0 & 0x9fffffff)); ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0) ++ if (cr4 & 0x80) __write_cr4(cr4); ++#else + if (cr4 & 0x80) write_cr4(cr4); ++#endif + } + + static int nv_determine_pat_mode(void) |