linux-wistron-nx.patch

   1 --- linux-3.10/drivers/input/misc/wistron_btns.c.orig   2013-11-16 09:05:55.612742472 +0100
   2 +++ linux-3.10/drivers/input/misc/wistron_btns.c        2013-11-16 09:24:37.356028732 +0100
   3 @@ -33,6 +33,7 @@
   4  #include <linux/types.h>
   5  #include <linux/platform_device.h>
   6  #include <linux/leds.h>
   7 +#include <linux/set_memory.h>
   8
   9  /* How often we poll keys - msecs */
  10  #define POLL_INTERVAL_DEFAULT  500 /* when idle */
  11 @@ -124,6 +125,7 @@
  12         if (entry_point >= 0xF0000) {
  13                 bios_code_map_base = base;
  14                 bios_entry_point = bios_code_map_base + (entry_point & 0xFFFF);
  15 +               set_memory_x((unsigned long)bios_code_map_base, 0x10000 >> PAGE_SHIFT);
  16         } else {
  17                 iounmap(base);
  18                 bios_code_map_base = ioremap(entry_point & ~0x3FFF, 0x4000);
  19 @@ -134,6 +136,7 @@
  20                         goto err;
  21                 }
  22                 bios_entry_point = bios_code_map_base + (entry_point & 0x3FFF);
  23 +               set_memory_x((unsigned long)bios_code_map_base, 0x4000 >> PAGE_SHIFT);
  24         }
  25         /* The Windows driver maps 0x10000 bytes, we keep only one page... */
  26         bios_data_map_base = ioremap(0x400, 0xc00);
  27 --- linux-5.4/arch/x86/mm/pat/set_memory.c~     2019-11-25 01:32:01.000000000 +0100
  28 +++ linux-5.4/arch/x86/mm/pat/set_memory.c      2019-11-27 06:38:21.886578313 +0100
  29 @@ -1885,6 +1885,7 @@ int set_memory_x(unsigned long addr, int
  30
  31         return change_page_attr_clear(&addr, numpages, __pgprot(_PAGE_NX), 0);
  32  }
  33 +EXPORT_SYMBOL(set_memory_x);
  34
  35  int set_memory_nx(unsigned long addr, int numpages)
  36  {