diff options
Diffstat (limited to 'arch/x86/lib/putuser.S')
| -rw-r--r-- | arch/x86/lib/putuser.S | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/x86/lib/putuser.S b/arch/x86/lib/putuser.S index e0817a12d323..cd5d716d2897 100644 --- a/arch/x86/lib/putuser.S +++ b/arch/x86/lib/putuser.S @@ -15,6 +15,7 @@ #include <asm/errno.h> #include <asm/asm.h> #include <asm/smap.h> +#include <asm/export.h> /* @@ -29,24 +30,25 @@ * as they get called from within inline assembly. */ -#define ENTER GET_THREAD_INFO(%_ASM_BX) +#define ENTER mov PER_CPU_VAR(current_task), %_ASM_BX #define EXIT ASM_CLAC ; \ ret .text ENTRY(__put_user_1) ENTER - cmp TI_addr_limit(%_ASM_BX),%_ASM_CX + cmp TASK_addr_limit(%_ASM_BX),%_ASM_CX jae bad_put_user ASM_STAC 1: movb %al,(%_ASM_CX) xor %eax,%eax EXIT ENDPROC(__put_user_1) +EXPORT_SYMBOL(__put_user_1) ENTRY(__put_user_2) ENTER - mov TI_addr_limit(%_ASM_BX),%_ASM_BX + mov TASK_addr_limit(%_ASM_BX),%_ASM_BX sub $1,%_ASM_BX cmp %_ASM_BX,%_ASM_CX jae bad_put_user @@ -55,10 +57,11 @@ ENTRY(__put_user_2) xor %eax,%eax EXIT ENDPROC(__put_user_2) +EXPORT_SYMBOL(__put_user_2) ENTRY(__put_user_4) ENTER - mov TI_addr_limit(%_ASM_BX),%_ASM_BX + mov TASK_addr_limit(%_ASM_BX),%_ASM_BX sub $3,%_ASM_BX cmp %_ASM_BX,%_ASM_CX jae bad_put_user @@ -67,10 +70,11 @@ ENTRY(__put_user_4) xor %eax,%eax EXIT ENDPROC(__put_user_4) +EXPORT_SYMBOL(__put_user_4) ENTRY(__put_user_8) ENTER - mov TI_addr_limit(%_ASM_BX),%_ASM_BX + mov TASK_addr_limit(%_ASM_BX),%_ASM_BX sub $7,%_ASM_BX cmp %_ASM_BX,%_ASM_CX jae bad_put_user @@ -82,6 +86,7 @@ ENTRY(__put_user_8) xor %eax,%eax EXIT ENDPROC(__put_user_8) +EXPORT_SYMBOL(__put_user_8) bad_put_user: movl $-EFAULT,%eax |
