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asmlinkage, pnp: Make variables used from assembler code visible 

commit a99aa42d0253f033cbb85096d3f2bd82201321e6 upstream.

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>
Signed-off-by: Willy Tarreau <w@1wt.eu>
This commit is contained in:
Andi Kleen 2014-02-08 08:52:00 +01:00 committed by Willy Tarreau
parent 6985c64f12
commit 3f557d256f
1 changed files with 5 additions and 4 deletions
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9
drivers/pnp/pnpbios/bioscalls.c
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@ -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;