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| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-03-19 20:25:35 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-03-29 00:23:30 +0200 |
| commit | de09be340d3ef4568b27282f2f6fc44b1cb559ab (patch) | |
| tree | 1e72a569e20ea9aad7d3c321a16c16b63ce31f03 /arch/cris/include/arch-v10 | |
| parent | cris: get rid of zeroing in __asm_copy_from_user_N for N > 4 (diff) | |
| download | linux-de09be340d3ef4568b27282f2f6fc44b1cb559ab.tar.xz linux-de09be340d3ef4568b27282f2f6fc44b1cb559ab.zip | |
cris: get rid of zeroing
... the rest of it
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 | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/cris/include/arch-v10/arch/uaccess.h b/arch/cris/include/arch-v10/arch/uaccess.h index f68d3d19df72..5477c98c2281 100644 --- a/arch/cris/include/arch-v10/arch/uaccess.h +++ b/arch/cris/include/arch-v10/arch/uaccess.h @@ -172,16 +172,14 @@ __do_strncpy_from_user(char *dst, const char *src, long count) __asm_copy_user_cont(to, from, ret, \ " move.b [%1+],$r9\n" \ "2: move.b $r9,[%0+]\n", \ - "3: addq 1,%2\n" \ - " clear.b [%0+]\n", \ + "3: addq 1,%2\n", \ " .dword 2b,3b\n") #define __asm_copy_from_user_2x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ __asm_copy_user_cont(to, from, ret, \ " move.w [%1+],$r9\n" \ "2: move.w $r9,[%0+]\n" COPY, \ - "3: addq 2,%2\n" \ - " clear.w [%0+]\n" FIXUP, \ + "3: addq 2,%2\n" FIXUP, \ " .dword 2b,3b\n" TENTRY) #define __asm_copy_from_user_2(to, from, ret) \ @@ -191,16 +189,14 @@ __do_strncpy_from_user(char *dst, const char *src, long count) __asm_copy_from_user_2x_cont(to, from, ret, \ " move.b [%1+],$r9\n" \ "4: move.b $r9,[%0+]\n", \ - "5: addq 1,%2\n" \ - " clear.b [%0+]\n", \ + "5: addq 1,%2\n", \ " .dword 4b,5b\n") #define __asm_copy_from_user_4x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ __asm_copy_user_cont(to, from, ret, \ " move.d [%1+],$r9\n" \ "2: move.d $r9,[%0+]\n" COPY, \ - "3: addq 4,%2\n" \ - " clear.d [%0+]\n" FIXUP, \ + "3: addq 4,%2\n" FIXUP, \ " .dword 2b,3b\n" TENTRY) #define __asm_copy_from_user_4(to, from, ret) \ |