diff options
| author | Andy Lutomirski <luto@kernel.org> | 2016-07-14 22:22:57 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-15 10:26:30 +0200 |
| commit | 13d4ea097d18b419ad2a2b696063d44bf59acec0 (patch) | |
| tree | 099cb3a4ee73be56742d6abcd3d5e2bdd541f65b /arch/x86/lib/putuser.S | |
| parent | x86/dumpstack: Rename thread_struct::sig_on_uaccess_error to sig_on_uaccess_err (diff) | |
| download | linux-13d4ea097d18b419ad2a2b696063d44bf59acec0.tar.xz linux-13d4ea097d18b419ad2a2b696063d44bf59acec0.zip | |
x86/uaccess: Move thread_info::addr_limit to thread_struct
struct thread_info is a legacy mess. To prepare for its partial removal,
move thread_info::addr_limit out.
As an added benefit, this way is simpler.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/15bee834d09402b47ac86f2feccdf6529f9bc5b0.1468527351.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/lib/putuser.S')
| -rw-r--r-- | arch/x86/lib/putuser.S | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/lib/putuser.S b/arch/x86/lib/putuser.S index e0817a12d323..c891ece81e5b 100644 --- a/arch/x86/lib/putuser.S +++ b/arch/x86/lib/putuser.S @@ -29,14 +29,14 @@ * 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) @@ -46,7 +46,7 @@ ENDPROC(__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 @@ -58,7 +58,7 @@ ENDPROC(__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 @@ -70,7 +70,7 @@ ENDPROC(__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 |