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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2017-03-21 16:35:08 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-04-06 15:08:42 -0400 |
| commit | 3448890c32c32c482c3ec20baa8fdd2ab4f94cc0 (patch) | |
| tree | b8eb010ea889b318923c987b5ded4bd6ce6c8983 /arch/powerpc/lib/copy_32.S | |
| parent | Merge commit 'a7d2475af7aedcb9b5c6343989a8bfadbf84429b' into uaccess.powerpc (diff) | |
| download | linux-dev-3448890c32c32c482c3ec20baa8fdd2ab4f94cc0.tar.xz linux-dev-3448890c32c32c482c3ec20baa8fdd2ab4f94cc0.zip | |
powerpc: get rid of zeroing, switch to RAW_COPY_USER
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/powerpc/lib/copy_32.S')
| -rw-r--r-- | arch/powerpc/lib/copy_32.S | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/arch/powerpc/lib/copy_32.S b/arch/powerpc/lib/copy_32.S index ff0d894d7ff9..8aedbb5f4b86 100644 --- a/arch/powerpc/lib/copy_32.S +++ b/arch/powerpc/lib/copy_32.S @@ -477,18 +477,6 @@ _GLOBAL(__copy_tofrom_user) bdnz 130b /* then clear out the destination: r3 bytes starting at 4(r6) */ 132: mfctr r3 - srwi. r0,r3,2 - li r9,0 - mtctr r0 - beq 113f -112: stwu r9,4(r6) - bdnz 112b -113: andi. r0,r3,3 - mtctr r0 - beq 120f -114: stb r9,4(r6) - addi r6,r6,1 - bdnz 114b 120: blr EX_TABLE(30b,108b) @@ -497,7 +485,5 @@ _GLOBAL(__copy_tofrom_user) EX_TABLE(41b,111b) EX_TABLE(130b,132b) EX_TABLE(131b,120b) - EX_TABLE(112b,120b) - EX_TABLE(114b,120b) EXPORT_SYMBOL(__copy_tofrom_user) |