diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-03-19 15:17:25 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-03-28 18:23:30 -0400 |
| commit | c8313947af458d9081c3adca2a9a9c962cf014f1 (patch) | |
| tree | defc770cf551af90f020d9ab08f703ae198f5189 /arch/cris/include/arch-v10 | |
| parent | 07f78b308984042dde424191ab8f3237bcf6a0d1 (diff) | |
cris: get rid of zeroing in __asm_copy_from_user_N for N > 4
only one user for those
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/cris/include/arch-v10')
| -rw-r--r-- | arch/cris/include/arch-v10/arch/uaccess.h | 34 |
1 files changed, 14 insertions, 20 deletions
diff --git a/arch/cris/include/arch-v10/arch/uaccess.h b/arch/cris/include/arch-v10/arch/uaccess.h index 65b02d9b605a..f68d3d19df72 100644 --- a/arch/cris/include/arch-v10/arch/uaccess.h +++ b/arch/cris/include/arch-v10/arch/uaccess.h @@ -210,8 +210,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count) __asm_copy_from_user_4x_cont(to, from, ret, \ " move.b [%1+],$r9\n" \ "4: move.b $r9,[%0+]\n", \ - "5: addq 1,%2\n" \ - " clear.b [%0+]\n", \ + "5: addq 1,%2\n", \ " .dword 4b,5b\n") #define __asm_copy_from_user_6x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ @@ -219,7 +218,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count) " move.w [%1+],$r9\n" \ "4: move.w $r9,[%0+]\n" COPY, \ "5: addq 2,%2\n" \ - " clear.w [%0+]\n" FIXUP, \ + FIXUP, \ " .dword 4b,5b\n" TENTRY) #define __asm_copy_from_user_6(to, from, ret) \ @@ -229,8 +228,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count) __asm_copy_from_user_6x_cont(to, from, ret, \ " move.b [%1+],$r9\n" \ "6: move.b $r9,[%0+]\n", \ - "7: addq 1,%2\n" \ - " clear.b [%0+]\n", \ + "7: addq 1,%2\n", \ " .dword 6b,7b\n") #define __asm_copy_from_user_8x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ @@ -238,7 +236,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count) " move.d [%1+],$r9\n" \ "4: move.d $r9,[%0+]\n" COPY, \ "5: addq 4,%2\n" \ - " clear.d [%0+]\n" FIXUP, \ + FIXUP, \ " .dword 4b,5b\n" TENTRY) #define __asm_copy_from_user_8(to, from, ret) \ @@ -248,8 +246,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count) __asm_copy_from_user_8x_cont(to, from, ret, \ " move.b [%1+],$r9\n" \ "6: move.b $r9,[%0+]\n", \ - "7: addq 1,%2\n" \ - " clear.b [%0+]\n", \ + "7: addq 1,%2\n", \ " .dword 6b,7b\n") #define __asm_copy_from_user_10x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ @@ -257,7 +254,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count) " move.w [%1+],$r9\n" \ "6: move.w $r9,[%0+]\n" COPY, \ "7: addq 2,%2\n" \ - " clear.w [%0+]\n" FIXUP, \ + FIXUP, \ " .dword 6b,7b\n" TENTRY) #define __asm_copy_from_user_10(to, from, ret) \ @@ -267,8 +264,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count) __asm_copy_from_user_10x_cont(to, from, ret, \ " move.b [%1+],$r9\n" \ "8: move.b $r9,[%0+]\n", \ - "9: addq 1,%2\n" \ - " clear.b [%0+]\n", \ + "9: addq 1,%2\n", \ " .dword 8b,9b\n") #define __asm_copy_from_user_12x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ @@ -276,7 +272,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count) " move.d [%1+],$r9\n" \ "6: move.d $r9,[%0+]\n" COPY, \ "7: addq 4,%2\n" \ - " clear.d [%0+]\n" FIXUP, \ + FIXUP, \ " .dword 6b,7b\n" TENTRY) #define __asm_copy_from_user_12(to, from, ret) \ @@ -286,8 +282,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count) __asm_copy_from_user_12x_cont(to, from, ret, \ " move.b [%1+],$r9\n" \ "8: move.b $r9,[%0+]\n", \ - "9: addq 1,%2\n" \ - " clear.b [%0+]\n", \ + "9: addq 1,%2\n", \ " .dword 8b,9b\n") #define __asm_copy_from_user_14x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ @@ -295,7 +290,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count) " move.w [%1+],$r9\n" \ "8: move.w $r9,[%0+]\n" COPY, \ "9: addq 2,%2\n" \ - " clear.w [%0+]\n" FIXUP, \ + FIXUP, \ " .dword 8b,9b\n" TENTRY) #define __asm_copy_from_user_14(to, from, ret) \ @@ -305,8 +300,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count) __asm_copy_from_user_14x_cont(to, from, ret, \ " move.b [%1+],$r9\n" \ "10: move.b $r9,[%0+]\n", \ - "11: addq 1,%2\n" \ - " clear.b [%0+]\n", \ + "11: addq 1,%2\n", \ " .dword 10b,11b\n") #define __asm_copy_from_user_16x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ @@ -314,7 +308,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count) " move.d [%1+],$r9\n" \ "8: move.d $r9,[%0+]\n" COPY, \ "9: addq 4,%2\n" \ - " clear.d [%0+]\n" FIXUP, \ + FIXUP, \ " .dword 8b,9b\n" TENTRY) #define __asm_copy_from_user_16(to, from, ret) \ @@ -325,7 +319,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count) " move.d [%1+],$r9\n" \ "10: move.d $r9,[%0+]\n" COPY, \ "11: addq 4,%2\n" \ - " clear.d [%0+]\n" FIXUP, \ + FIXUP, \ " .dword 10b,11b\n" TENTRY) #define __asm_copy_from_user_20(to, from, ret) \ @@ -336,7 +330,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count) " move.d [%1+],$r9\n" \ "12: move.d $r9,[%0+]\n" COPY, \ "13: addq 4,%2\n" \ - " clear.d [%0+]\n" FIXUP, \ + FIXUP, \ " .dword 12b,13b\n" TENTRY) #define __asm_copy_from_user_24(to, from, ret) \ |