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Subject[tip:x86/asmlinkage] asmlinkage, pnp: Make variables used from assembler code visible
Commit-ID:  a99aa42d0253f033cbb85096d3f2bd82201321e6
Gitweb: http://git.kernel.org/tip/a99aa42d0253f033cbb85096d3f2bd82201321e6
Author: Andi Kleen <ak@linux.intel.com>
AuthorDate: Sat, 8 Feb 2014 08:52:00 +0100
Committer: H. Peter Anvin <hpa@linux.intel.com>
CommitDate: Thu, 13 Feb 2014 18:12:27 -0800

asmlinkage, pnp: Make variables used from assembler code visible

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 | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/pnp/pnpbios/bioscalls.c b/drivers/pnp/pnpbios/bioscalls.c
index 769d265..deb7f4b 100644
--- a/drivers/pnp/pnpbios/bioscalls.c
+++ b/drivers/pnp/pnpbios/bioscalls.c
@@ -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;


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