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| author | Jiri Kosina <jkosina@suse.cz> | 2012-10-28 19:28:52 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-10-28 19:29:19 +0100 |
| commit | 3bd7bf1f0fe14f591c089ae61bbfa9bd356f178a (patch) | |
| tree | 0058693cc9e70b7461dae551f8a19aff2efd13ca /arch/x86/lib/getuser.S | |
| parent | f16f84937d769c893492160b1a8c3672e3992beb (diff) | |
| parent | e657e078d3dfa9f96976db7a2b5fd7d7c9f1f1a6 (diff) | |
Merge branch 'master' into for-next
Sync up with Linus' tree to be able to apply Cesar's patch
against newer version of the code.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'arch/x86/lib/getuser.S')
| -rw-r--r-- | arch/x86/lib/getuser.S | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/lib/getuser.S b/arch/x86/lib/getuser.S index b33b1fb1e6d..156b9c80467 100644 --- a/arch/x86/lib/getuser.S +++ b/arch/x86/lib/getuser.S @@ -33,6 +33,7 @@ #include <asm/asm-offsets.h> #include <asm/thread_info.h> #include <asm/asm.h> +#include <asm/smap.h> .text ENTRY(__get_user_1) @@ -40,8 +41,10 @@ ENTRY(__get_user_1) GET_THREAD_INFO(%_ASM_DX) cmp TI_addr_limit(%_ASM_DX),%_ASM_AX jae bad_get_user + ASM_STAC 1: movzb (%_ASM_AX),%edx xor %eax,%eax + ASM_CLAC ret CFI_ENDPROC ENDPROC(__get_user_1) @@ -53,8 +56,10 @@ ENTRY(__get_user_2) GET_THREAD_INFO(%_ASM_DX) cmp TI_addr_limit(%_ASM_DX),%_ASM_AX jae bad_get_user + ASM_STAC 2: movzwl -1(%_ASM_AX),%edx xor %eax,%eax + ASM_CLAC ret CFI_ENDPROC ENDPROC(__get_user_2) @@ -66,8 +71,10 @@ ENTRY(__get_user_4) GET_THREAD_INFO(%_ASM_DX) cmp TI_addr_limit(%_ASM_DX),%_ASM_AX jae bad_get_user + ASM_STAC 3: mov -3(%_ASM_AX),%edx xor %eax,%eax + ASM_CLAC ret CFI_ENDPROC ENDPROC(__get_user_4) @@ -80,8 +87,10 @@ ENTRY(__get_user_8) GET_THREAD_INFO(%_ASM_DX) cmp TI_addr_limit(%_ASM_DX),%_ASM_AX jae bad_get_user + ASM_STAC 4: movq -7(%_ASM_AX),%_ASM_DX xor %eax,%eax + ASM_CLAC ret CFI_ENDPROC ENDPROC(__get_user_8) @@ -91,6 +100,7 @@ bad_get_user: CFI_STARTPROC xor %edx,%edx mov $(-EFAULT),%_ASM_AX + ASM_CLAC ret CFI_ENDPROC END(bad_get_user) |