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| author | Vitaly Mayatskikh <v.mayatskih@gmail.com> | 2008-07-30 13:30:14 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-30 10:10:39 -0700 |
| commit | afd962a9e8708c571c5c0c4a6d098f931742c229 (patch) | |
| tree | 7aacbe3bb5e34e2515ad55a73bb87766e604761b | |
| parent | bd3e64c1759e4930315ebf022611468ee9621486 (diff) | |
| download | linux-3.10-afd962a9e8708c571c5c0c4a6d098f931742c229.tar.gz linux-3.10-afd962a9e8708c571c5c0c4a6d098f931742c229.tar.bz2 linux-3.10-afd962a9e8708c571c5c0c4a6d098f931742c229.zip | |
x86: wrong register was used in align macro
New ALIGN_DESTINATION macro has sad typo: r8d register was used instead
of ecx in fixup section. This can be considered as a regression.
Register ecx was also wrongly loaded with value in r8d in
copy_user_nocache routine.
Signed-off-by: Vitaly Mayatskikh <v.mayatskih@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/x86/lib/copy_user_64.S | 2 | ||||
| -rw-r--r-- | arch/x86/lib/copy_user_nocache_64.S | 3 |
2 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S index dfdf428975c..f118c110af3 100644 --- a/arch/x86/lib/copy_user_64.S +++ b/arch/x86/lib/copy_user_64.S @@ -52,7 +52,7 @@ jnz 100b 102: .section .fixup,"ax" -103: addl %r8d,%edx /* ecx is zerorest also */ +103: addl %ecx,%edx /* ecx is zerorest also */ jmp copy_user_handle_tail .previous diff --git a/arch/x86/lib/copy_user_nocache_64.S b/arch/x86/lib/copy_user_nocache_64.S index 40e0e309d27..cb0c112386f 100644 --- a/arch/x86/lib/copy_user_nocache_64.S +++ b/arch/x86/lib/copy_user_nocache_64.S @@ -32,7 +32,7 @@ jnz 100b 102: .section .fixup,"ax" -103: addl %r8d,%edx /* ecx is zerorest also */ +103: addl %ecx,%edx /* ecx is zerorest also */ jmp copy_user_handle_tail .previous @@ -108,7 +108,6 @@ ENTRY(__copy_user_nocache) jmp 60f 50: movl %ecx,%edx 60: sfence - movl %r8d,%ecx jmp copy_user_handle_tail .previous |