Commit afd962a9 authored by Vitaly Mayatskikh's avatar Vitaly Mayatskikh Committed by Linus Torvalds

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: default avatarVitaly Mayatskikh <v.mayatskih@gmail.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent bd3e64c1
...@@ -52,7 +52,7 @@ ...@@ -52,7 +52,7 @@
jnz 100b jnz 100b
102: 102:
.section .fixup,"ax" .section .fixup,"ax"
103: addl %r8d,%edx /* ecx is zerorest also */ 103: addl %ecx,%edx /* ecx is zerorest also */
jmp copy_user_handle_tail jmp copy_user_handle_tail
.previous .previous
......
...@@ -32,7 +32,7 @@ ...@@ -32,7 +32,7 @@
jnz 100b jnz 100b
102: 102:
.section .fixup,"ax" .section .fixup,"ax"
103: addl %r8d,%edx /* ecx is zerorest also */ 103: addl %ecx,%edx /* ecx is zerorest also */
jmp copy_user_handle_tail jmp copy_user_handle_tail
.previous .previous
...@@ -108,7 +108,6 @@ ENTRY(__copy_user_nocache) ...@@ -108,7 +108,6 @@ ENTRY(__copy_user_nocache)
jmp 60f jmp 60f
50: movl %ecx,%edx 50: movl %ecx,%edx
60: sfence 60: sfence
movl %r8d,%ecx
jmp copy_user_handle_tail jmp copy_user_handle_tail
.previous .previous
......
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