asmlinkage, pnp: Make variables used from assembler code visible
authorAndi Kleen <ak@linux.intel.com>
Sat, 8 Feb 2014 07:52:00 +0000 (08:52 +0100)
committerH. Peter Anvin <hpa@linux.intel.com>
Fri, 14 Feb 2014 02:12:27 +0000 (18:12 -0800)
Mark variables referenced from assembler files visible.

This fixes compile problems with LTO.

Cc: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1391845930-28580-4-git-send-email-ak@linux.intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
drivers/pnp/pnpbios/bioscalls.c

index 769d265b221b9c3abee2b8ea86a1d84ef00ac795..deb7f4bcdb7b6b6a770ce08f1d2535dccfa82100 100644 (file)
@@ -21,7 +21,7 @@
 
 #include "pnpbios.h"
 
-static struct {
+__visible struct {
        u16 offset;
        u16 segment;
 } pnp_bios_callpoint;
@@ -41,6 +41,7 @@ asmlinkage void pnp_bios_callfunc(void);
 
 __asm__(".text                 \n"
        __ALIGN_STR "\n"
+       ".globl pnp_bios_callfunc\n"
        "pnp_bios_callfunc:\n"
        "       pushl %edx      \n"
        "       pushl %ecx      \n"
@@ -66,9 +67,9 @@ static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092,
  * after PnP BIOS oopses.
  */
 
-u32 pnp_bios_fault_esp;
-u32 pnp_bios_fault_eip;
-u32 pnp_bios_is_utter_crap = 0;
+__visible u32 pnp_bios_fault_esp;
+__visible u32 pnp_bios_fault_eip;
+__visible u32 pnp_bios_is_utter_crap = 0;
 
 static spinlock_t pnp_bios_lock;